Merging upstream version 1.41.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 168 insertions, 167 deletions

diff --git a/database/rrdset.c b/database/rrdset.c
index 3177f43ff..1e00d5c8a 100644
--- a/database/rrdset.c
+++ b/database/rrdset.c
@@ -55,7 +55,7 @@ static STRING *rrdset_fix_name(RRDHOST *host, const char *chart_full_id, const c
     strncpyz(new_name, sanitized_name, CONFIG_MAX_VALUE);
 
     if(rrdset_index_find_name(host, new_name)) {
-        debug(D_RRD_CALLS, "RRDSET: chart name '%s' on host '%s' already exists.", new_name, rrdhost_hostname(host));
+        netdata_log_debug(D_RRD_CALLS, "RRDSET: chart name '%s' on host '%s' already exists.", new_name, rrdhost_hostname(host));
         if(!strcmp(chart_full_id, full_name) && (!current_name || !*current_name)) {
             unsigned i = 1;
 
@@ -64,7 +64,7 @@ static STRING *rrdset_fix_name(RRDHOST *host, const char *chart_full_id, const c
                 i++;
             } while (rrdset_index_find_name(host, new_name));
 
-            info("RRDSET: using name '%s' for chart '%s' on host '%s'.", new_name, full_name, rrdhost_hostname(host));
+            netdata_log_info("RRDSET: using name '%s' for chart '%s' on host '%s'.", new_name, full_name, rrdhost_hostname(host));
         }
         else
             return NULL;
@@ -128,14 +128,14 @@ static void rrdset_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, v
     st->module_name = rrd_string_strdupz(ctr->module);
     st->priority = ctr->priority;
 
-    st->entries = (ctr->memory_mode != RRD_MEMORY_MODE_DBENGINE) ? align_entries_to_pagesize(ctr->memory_mode, ctr->history_entries) : 5;
+    st->db.entries = (ctr->memory_mode != RRD_MEMORY_MODE_DBENGINE) ? align_entries_to_pagesize(ctr->memory_mode, ctr->history_entries) : 5;
     st->update_every = ctr->update_every;
     st->rrd_memory_mode = ctr->memory_mode;
 
     st->chart_type = ctr->chart_type;
     st->rrdhost = host;
 
-    netdata_spinlock_init(&st->data_collection_lock);
+    spinlock_init(&st->data_collection_lock);
 
     st->flags =   RRDSET_FLAG_SYNC_CLOCK
                 | RRDSET_FLAG_INDEXED_ID
@@ -143,11 +143,11 @@ static void rrdset_insert_callback(const DICTIONARY_ITEM *item __maybe_unused, v
                 | RRDSET_FLAG_SENDER_REPLICATION_FINISHED
                 ;
 
-    netdata_rwlock_init(&st->alerts.rwlock);
+    rw_spinlock_init(&st->alerts.spinlock);
 
     if(st->rrd_memory_mode == RRD_MEMORY_MODE_SAVE || st->rrd_memory_mode == RRD_MEMORY_MODE_MAP) {
         if(!rrdset_memory_load_or_create_map_save(st, st->rrd_memory_mode)) {
-            info("Failed to use db mode %s for chart '%s', falling back to ram mode.", (st->rrd_memory_mode == RRD_MEMORY_MODE_MAP)?"map":"save", rrdset_name(st));
+            netdata_log_info("Failed to use db mode %s for chart '%s', falling back to ram mode.", (st->rrd_memory_mode == RRD_MEMORY_MODE_MAP)?"map":"save", rrdset_name(st));
             st->rrd_memory_mode = RRD_MEMORY_MODE_RAM;
         }
     }
@@ -263,8 +263,6 @@ static void rrdset_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, v
     // ------------------------------------------------------------------------
     // free it
 
-    netdata_rwlock_destroy(&st->alerts.rwlock);
-
     string_freez(st->id);
     string_freez(st->name);
     string_freez(st->parts.id);
@@ -278,7 +276,7 @@ static void rrdset_delete_callback(const DICTIONARY_ITEM *item __maybe_unused, v
     string_freez(st->module_name);
 
     freez(st->exporting_flags);
-    freez(st->cache_dir);
+    freez(st->db.cache_dir);
 }
 
 // the item to be inserted, is already in the dictionary
@@ -452,7 +450,7 @@ static RRDSET *rrdset_index_find(RRDHOST *host, const char *id) {
 // RRDSET - find charts
 
 inline RRDSET *rrdset_find(RRDHOST *host, const char *id) {
-    debug(D_RRD_CALLS, "rrdset_find() for chart '%s' in host '%s'", id, rrdhost_hostname(host));
+    netdata_log_debug(D_RRD_CALLS, "rrdset_find() for chart '%s' in host '%s'", id, rrdhost_hostname(host));
     RRDSET *st = rrdset_index_find(host, id);
 
     if(st)
@@ -462,7 +460,7 @@ inline RRDSET *rrdset_find(RRDHOST *host, const char *id) {
 }
 
 inline RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *id) {
-    debug(D_RRD_CALLS, "rrdset_find_bytype() for chart '%s.%s' in host '%s'", type, id, rrdhost_hostname(host));
+    netdata_log_debug(D_RRD_CALLS, "rrdset_find_bytype() for chart '%s.%s' in host '%s'", type, id, rrdhost_hostname(host));
 
     char buf[RRD_ID_LENGTH_MAX + 1];
     strncpyz(buf, type, RRD_ID_LENGTH_MAX - 1);
@@ -474,13 +472,13 @@ inline RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *i
 }
 
 inline RRDSET *rrdset_find_byname(RRDHOST *host, const char *name) {
-    debug(D_RRD_CALLS, "rrdset_find_byname() for chart '%s' in host '%s'", name, rrdhost_hostname(host));
+    netdata_log_debug(D_RRD_CALLS, "rrdset_find_byname() for chart '%s' in host '%s'", name, rrdhost_hostname(host));
     RRDSET *st = rrdset_index_find_name(host, name);
     return(st);
 }
 
 RRDSET_ACQUIRED *rrdset_find_and_acquire(RRDHOST *host, const char *id) {
-    debug(D_RRD_CALLS, "rrdset_find_and_acquire() for host %s, chart %s", rrdhost_hostname(host), id);
+    netdata_log_debug(D_RRD_CALLS, "rrdset_find_and_acquire() for host %s, chart %s", rrdhost_hostname(host), id);
 
     return (RRDSET_ACQUIRED *)dictionary_get_and_acquire_item(host->rrdset_root_index, id);
 }
@@ -524,7 +522,7 @@ int rrdset_reset_name(RRDSET *st, const char *name) {
 
     RRDHOST *host = st->rrdhost;
 
-    debug(D_RRD_CALLS, "rrdset_reset_name() old: '%s', new: '%s'", rrdset_name(st), name);
+    netdata_log_debug(D_RRD_CALLS, "rrdset_reset_name() old: '%s', new: '%s'", rrdset_name(st), name);
 
     STRING *name_string = rrdset_fix_name(host, rrdset_id(st), rrdset_parts_type(st), string2str(st->name), name);
     if(!name_string) return 0;
@@ -660,7 +658,7 @@ void rrdset_get_retention_of_tier_for_collected_chart(RRDSET *st, time_t *first_
 
 inline void rrdset_is_obsolete(RRDSET *st) {
     if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_ARCHIVED))) {
-        info("Cannot obsolete already archived chart %s", rrdset_name(st));
+        netdata_log_info("Cannot obsolete already archived chart %s", rrdset_name(st));
         return;
     }
 
@@ -702,8 +700,8 @@ inline void rrdset_update_heterogeneous_flag(RRDSET *st) {
 
     bool init = false, is_heterogeneous = false;
     RRD_ALGORITHM algorithm;
-    collected_number multiplier;
-    collected_number divisor;
+    int32_t multiplier;
+    int32_t divisor;
 
     rrddim_foreach_read(rd, st) {
         if(!init) {
@@ -717,7 +715,9 @@ inline void rrdset_update_heterogeneous_flag(RRDSET *st) {
         if(algorithm != rd->algorithm || multiplier != ABS(rd->multiplier) || divisor != ABS(rd->divisor)) {
             if(!rrdset_flag_check(st, RRDSET_FLAG_HETEROGENEOUS)) {
                 #ifdef NETDATA_INTERNAL_CHECKS
-                info("Dimension '%s' added on chart '%s' of host '%s' is not homogeneous to other dimensions already present (algorithm is '%s' vs '%s', multiplier is " COLLECTED_NUMBER_FORMAT " vs " COLLECTED_NUMBER_FORMAT ", divisor is " COLLECTED_NUMBER_FORMAT " vs " COLLECTED_NUMBER_FORMAT ").",
+                netdata_log_info("Dimension '%s' added on chart '%s' of host '%s' is not homogeneous to other dimensions already present "
+                     "(algorithm is '%s' vs '%s', multiplier is %d vs %d, "
+                     "divisor is %d vs %d).",
                      rrddim_name(rd),
                      rrdset_name(st),
                      rrdhost_hostname(host),
@@ -745,21 +745,21 @@ inline void rrdset_update_heterogeneous_flag(RRDSET *st) {
 // RRDSET - reset a chart
 
 void rrdset_reset(RRDSET *st) {
-    debug(D_RRD_CALLS, "rrdset_reset() %s", rrdset_name(st));
+    netdata_log_debug(D_RRD_CALLS, "rrdset_reset() %s", rrdset_name(st));
 
     st->last_collected_time.tv_sec = 0;
     st->last_collected_time.tv_usec = 0;
     st->last_updated.tv_sec = 0;
     st->last_updated.tv_usec = 0;
-    st->current_entry = 0;
+    st->db.current_entry = 0;
     st->counter = 0;
     st->counter_done = 0;
 
     RRDDIM *rd;
     rrddim_foreach_read(rd, st) {
-        rd->last_collected_time.tv_sec = 0;
-        rd->last_collected_time.tv_usec = 0;
-        rd->collections_counter = 0;
+        rd->collector.last_collected_time.tv_sec = 0;
+        rd->collector.last_collected_time.tv_usec = 0;
+        rd->collector.counter = 0;
 
         if(!rrddim_flag_check(rd, RRDDIM_FLAG_ARCHIVED)) {
             for(size_t tier = 0; tier < storage_tiers ;tier++)
@@ -833,45 +833,45 @@ void rrdset_save(RRDSET *st) {
 void rrdset_delete_files(RRDSET *st) {
     RRDDIM *rd;
 
-    info("Deleting chart '%s' ('%s') from disk...", rrdset_id(st), rrdset_name(st));
+    netdata_log_info("Deleting chart '%s' ('%s') from disk...", rrdset_id(st), rrdset_name(st));
 
     if(st->rrd_memory_mode == RRD_MEMORY_MODE_SAVE || st->rrd_memory_mode == RRD_MEMORY_MODE_MAP) {
         const char *cache_filename = rrdset_cache_filename(st);
         if(cache_filename) {
-            info("Deleting chart header file '%s'.", cache_filename);
+            netdata_log_info("Deleting chart header file '%s'.", cache_filename);
             if (unlikely(unlink(cache_filename) == -1))
-                error("Cannot delete chart header file '%s'", cache_filename);
+                netdata_log_error("Cannot delete chart header file '%s'", cache_filename);
         }
         else
-            error("Cannot find the cache filename of chart '%s'", rrdset_id(st));
+            netdata_log_error("Cannot find the cache filename of chart '%s'", rrdset_id(st));
     }
 
     rrddim_foreach_read(rd, st) {
         const char *cache_filename = rrddim_cache_filename(rd);
         if(!cache_filename) continue;
 
-        info("Deleting dimension file '%s'.", cache_filename);
+        netdata_log_info("Deleting dimension file '%s'.", cache_filename);
         if(unlikely(unlink(cache_filename) == -1))
-            error("Cannot delete dimension file '%s'", cache_filename);
+            netdata_log_error("Cannot delete dimension file '%s'", cache_filename);
     }
     rrddim_foreach_done(rd);
 
-    if(st->cache_dir)
-        recursively_delete_dir(st->cache_dir, "left-over chart");
+    if(st->db.cache_dir)
+        recursively_delete_dir(st->db.cache_dir, "left-over chart");
 }
 
 void rrdset_delete_obsolete_dimensions(RRDSET *st) {
     RRDDIM *rd;
 
-    info("Deleting dimensions of chart '%s' ('%s') from disk...", rrdset_id(st), rrdset_name(st));
+    netdata_log_info("Deleting dimensions of chart '%s' ('%s') from disk...", rrdset_id(st), rrdset_name(st));
 
     rrddim_foreach_read(rd, st) {
         if(rrddim_flag_check(rd, RRDDIM_FLAG_OBSOLETE)) {
             const char *cache_filename = rrddim_cache_filename(rd);
             if(!cache_filename) continue;
-            info("Deleting dimension file '%s'.", cache_filename);
+            netdata_log_info("Deleting dimension file '%s'.", cache_filename);
             if(unlikely(unlink(cache_filename) == -1))
-                error("Cannot delete dimension file '%s'", cache_filename);
+                netdata_log_error("Cannot delete dimension file '%s'", cache_filename);
         }
     }
     rrddim_foreach_done(rd);
@@ -933,7 +933,7 @@ RRDSET *rrdset_create_custom(
     // ------------------------------------------------------------------------
     // allocate it
 
-    debug(D_RRD_CALLS, "Creating RRD_STATS for '%s.%s'.", type, id);
+    netdata_log_debug(D_RRD_CALLS, "Creating RRD_STATS for '%s.%s'.", type, id);
 
     struct rrdset_constructor tmp = {
         .host = host,
@@ -999,8 +999,8 @@ void rrdset_timed_next(RRDSET *st, struct timeval now, usec_t duration_since_las
         if(unlikely(since_last_usec < 0)) {
             // oops! the database is in the future
             #ifdef NETDATA_INTERNAL_CHECKS
-            info("RRD database for chart '%s' on host '%s' is %0.5" NETDATA_DOUBLE_MODIFIER
-                " secs in the future (counter #%zu, update #%zu). Adjusting it to current time."
+            netdata_log_info("RRD database for chart '%s' on host '%s' is %0.5" NETDATA_DOUBLE_MODIFIER
+                " secs in the future (counter #%u, update #%u). Adjusting it to current time."
                 , rrdset_id(st)
                 , rrdhost_hostname(st->rrdhost)
                 , (NETDATA_DOUBLE)-since_last_usec / USEC_PER_SEC
@@ -1018,8 +1018,10 @@ void rrdset_timed_next(RRDSET *st, struct timeval now, usec_t duration_since_las
         else if(unlikely((usec_t)since_last_usec > (usec_t)(st->update_every * 5 * USEC_PER_SEC))) {
             // oops! the database is too far behind
             #ifdef NETDATA_INTERNAL_CHECKS
-            info("RRD database for chart '%s' on host '%s' is %0.5" NETDATA_DOUBLE_MODIFIER
-                " secs in the past (counter #%zu, update #%zu). Adjusting it to current time.", rrdset_id(st), rrdhost_hostname(st->rrdhost), (NETDATA_DOUBLE)since_last_usec / USEC_PER_SEC, st->counter, st->counter_done);
+            netdata_log_info("RRD database for chart '%s' on host '%s' is %0.5" NETDATA_DOUBLE_MODIFIER
+                " secs in the past (counter #%u, update #%u). Adjusting it to current time.",
+                rrdset_id(st), rrdhost_hostname(st->rrdhost), (NETDATA_DOUBLE)since_last_usec / USEC_PER_SEC,
+                st->counter, st->counter_done);
             #endif
 
             duration_since_last_update = (usec_t)since_last_usec;
@@ -1044,7 +1046,7 @@ void rrdset_timed_next(RRDSET *st, struct timeval now, usec_t duration_since_las
                 last_time_s = now.tv_sec;
 
                 if(min_delta > permanent_min_delta) {
-                    info("MINIMUM MICROSECONDS DELTA of thread %d increased from %lld to %lld (+%lld)", gettid(), permanent_min_delta, min_delta, min_delta - permanent_min_delta);
+                    netdata_log_info("MINIMUM MICROSECONDS DELTA of thread %d increased from %lld to %lld (+%lld)", gettid(), permanent_min_delta, min_delta, min_delta - permanent_min_delta);
                     permanent_min_delta = min_delta;
                 }
 
@@ -1054,7 +1056,7 @@ void rrdset_timed_next(RRDSET *st, struct timeval now, usec_t duration_since_las
 #endif
     }
 
-    debug(D_RRD_CALLS, "rrdset_timed_next() for chart %s with duration since last update %llu usec", rrdset_name(st), duration_since_last_update);
+    netdata_log_debug(D_RRD_CALLS, "rrdset_timed_next() for chart %s with duration since last update %llu usec", rrdset_name(st), duration_since_last_update);
     rrdset_debug(st, "NEXT: %llu microseconds", duration_since_last_update);
 
     internal_error(discarded && discarded != duration_since_last_update,
@@ -1126,7 +1128,7 @@ static inline void rrdset_init_last_updated_time(RRDSET *st) {
 static __thread size_t rrdset_done_statistics_points_stored_per_tier[RRD_STORAGE_TIERS];
 
 static inline time_t tier_next_point_time_s(RRDDIM *rd, struct rrddim_tier *t, time_t now_s) {
-    time_t loop = (time_t)rd->update_every * (time_t)t->tier_grouping;
+    time_t loop = (time_t)rd->rrdset->update_every * (time_t)t->tier_grouping;
     return now_s + loop - ((now_s + loop) % loop);
 }
 
@@ -1231,7 +1233,7 @@ void rrddim_store_metric(RRDDIM *rd, usec_t point_end_time_ut, NETDATA_DOUBLE n,
     time_t now_s = (time_t)(point_end_time_ut / USEC_PER_SEC);
 
     STORAGE_POINT sp = {
-        .start_time_s = now_s - rd->update_every,
+        .start_time_s = now_s - rd->rrdset->update_every,
         .end_time_s = now_s,
         .min = n,
         .max = n,
@@ -1320,7 +1322,7 @@ static inline size_t rrdset_done_interpolate(
     if((now_collect_ut % (update_every_ut)) == 0) iterations++;
 
     size_t counter = st->counter;
-    long current_entry = st->current_entry;
+    long current_entry = st->db.current_entry;
 
     SN_FLAGS storage_flags = SN_DEFAULT_FLAGS;
 
@@ -1357,7 +1359,7 @@ static inline size_t rrdset_done_interpolate(
             switch(rd->algorithm) {
                 case RRD_ALGORITHM_INCREMENTAL:
                     new_value = (NETDATA_DOUBLE)
-                            (      rd->calculated_value
+                            (      rd->collector.calculated_value
                                    * (NETDATA_DOUBLE)(next_store_ut - last_collect_ut)
                                    / (NETDATA_DOUBLE)(now_collect_ut - last_collect_ut)
                             );
@@ -1368,14 +1370,14 @@ static inline size_t rrdset_done_interpolate(
                                 " / (%llu - %llu)"
                               , rrddim_name(rd)
                               , new_value
-                              , rd->calculated_value
+                              , rd->collector.calculated_value
                               , next_store_ut, last_collect_ut
                               , now_collect_ut, last_collect_ut
                     );
 
-                    rd->calculated_value -= new_value;
-                    new_value += rd->last_calculated_value;
-                    rd->last_calculated_value = 0;
+                    rd->collector.calculated_value -= new_value;
+                    new_value += rd->collector.last_calculated_value;
+                    rd->collector.last_calculated_value = 0;
                     new_value /= (NETDATA_DOUBLE)st->update_every;
 
                     if(unlikely(next_store_ut - last_stored_ut < update_every_ut)) {
@@ -1398,18 +1400,18 @@ static inline size_t rrdset_done_interpolate(
                         // do not interpolate
                         // just show the calculated value
 
-                        new_value = rd->calculated_value;
+                        new_value = rd->collector.calculated_value;
                     }
                     else {
                         // we have missed an update
                         // interpolate in the middle values
 
                         new_value = (NETDATA_DOUBLE)
-                                (   (     (rd->calculated_value - rd->last_calculated_value)
+                                (   (     (rd->collector.calculated_value - rd->collector.last_calculated_value)
                                           * (NETDATA_DOUBLE)(next_store_ut - last_collect_ut)
                                           / (NETDATA_DOUBLE)(now_collect_ut - last_collect_ut)
                                     )
-                                    +  rd->last_calculated_value
+                                    +  rd->collector.last_calculated_value
                                 );
 
                         rrdset_debug(st, "%s: CALC2 DEF " NETDATA_DOUBLE_FORMAT " = ((("
@@ -1417,9 +1419,9 @@ static inline size_t rrdset_done_interpolate(
                                             " * %llu"
                                             " / %llu) + " NETDATA_DOUBLE_FORMAT, rrddim_name(rd)
                                   , new_value
-                                  , rd->calculated_value, rd->last_calculated_value
+                                  , rd->collector.calculated_value, rd->collector.last_calculated_value
                                   , (next_store_ut - first_ut)
-                                  , (now_collect_ut - first_ut), rd->last_calculated_value
+                                  , (now_collect_ut - first_ut), rd->collector.last_calculated_value
                         );
                     }
                     break;
@@ -1437,7 +1439,7 @@ static inline size_t rrdset_done_interpolate(
                 continue;
             }
 
-            if(likely(rd->updated && rd->collections_counter > 1 && iterations < gap_when_lost_iterations_above)) {
+            if(likely(rrddim_check_updated(rd) && rd->collector.counter > 1 && iterations < gap_when_lost_iterations_above)) {
                 uint32_t dim_storage_flags = storage_flags;
 
                 if (ml_dimension_is_anomalous(rd, current_time_s, new_value, true)) {
@@ -1449,7 +1451,7 @@ static inline size_t rrdset_done_interpolate(
                     rrddim_push_metrics_v2(rsb, rd, next_store_ut, new_value, dim_storage_flags);
 
                 rrddim_store_metric(rd, next_store_ut, new_value, dim_storage_flags);
-                rd->last_stored_value = new_value;
+                rd->collector.last_stored_value = new_value;
             }
             else {
                 (void) ml_dimension_is_anomalous(rd, current_time_s, 0, false);
@@ -1460,7 +1462,7 @@ static inline size_t rrdset_done_interpolate(
                     rrddim_push_metrics_v2(rsb, rd, next_store_ut, NAN, SN_FLAG_NONE);
 
                 rrddim_store_metric(rd, next_store_ut, NAN, SN_FLAG_NONE);
-                rd->last_stored_value = NAN;
+                rd->collector.last_stored_value = NAN;
             }
 
             stored_entries++;
@@ -1472,7 +1474,7 @@ static inline size_t rrdset_done_interpolate(
         storage_flags = SN_DEFAULT_FLAGS;
 
         st->counter = ++counter;
-        st->current_entry = current_entry = ((current_entry + 1) >= st->entries) ? 0 : current_entry + 1;
+        st->db.current_entry = current_entry = ((current_entry + 1) >= st->db.entries) ? 0 : current_entry + 1;
 
         st->last_updated.tv_sec = (time_t) (last_ut / USEC_PER_SEC);
         st->last_updated.tv_usec = 0;
@@ -1507,12 +1509,12 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
     if(unlikely(rrdhost_has_rrdpush_sender_enabled(st->rrdhost)))
         stream_buffer = rrdset_push_metric_initialize(st, now.tv_sec);
 
-    netdata_spinlock_lock(&st->data_collection_lock);
+    spinlock_lock(&st->data_collection_lock);
 
     if (pending_rrdset_next)
         rrdset_timed_next(st, now, 0ULL);
 
-    debug(D_RRD_CALLS, "rrdset_done() for chart '%s'", rrdset_name(st));
+    netdata_log_debug(D_RRD_CALLS, "rrdset_done() for chart '%s'", rrdset_name(st));
 
     RRDDIM *rd;
 
@@ -1529,19 +1531,20 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
 
     RRDSET_FLAGS rrdset_flags = rrdset_flag_check(st, ~0);
     if(unlikely(rrdset_flags & RRDSET_FLAG_COLLECTION_FINISHED)) {
-        netdata_spinlock_unlock(&st->data_collection_lock);
+        spinlock_unlock(&st->data_collection_lock);
         return;
     }
 
     if (unlikely(rrdset_flags & RRDSET_FLAG_OBSOLETE)) {
-        error("Chart '%s' has the OBSOLETE flag set, but it is collected.", rrdset_id(st));
+        netdata_log_error("Chart '%s' has the OBSOLETE flag set, but it is collected.", rrdset_id(st));
         rrdset_isnot_obsolete(st);
     }
 
     // check if the chart has a long time to be updated
-    if(unlikely(st->usec_since_last_update > MAX(st->entries, 60) * update_every_ut)) {
-        info("host '%s', chart '%s': took too long to be updated (counter #%zu, update #%zu, %0.3" NETDATA_DOUBLE_MODIFIER
-            " secs). Resetting it.", rrdhost_hostname(st->rrdhost), rrdset_id(st), st->counter, st->counter_done, (NETDATA_DOUBLE)st->usec_since_last_update / USEC_PER_SEC);
+    if(unlikely(st->usec_since_last_update > MAX(st->db.entries, 60) * update_every_ut)) {
+        netdata_log_info("host '%s', chart '%s': took too long to be updated (counter #%u, update #%u, %0.3" NETDATA_DOUBLE_MODIFIER
+            " secs). Resetting it.", rrdhost_hostname(st->rrdhost), rrdset_id(st), st->counter, st->counter_done,
+            (NETDATA_DOUBLE)st->usec_since_last_update / USEC_PER_SEC);
         rrdset_reset(st);
         st->usec_since_last_update = update_every_ut;
         store_this_entry = 0;
@@ -1579,9 +1582,9 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
     }
 
     // check if we will re-write the entire data set
-    if(unlikely(dt_usec(&st->last_collected_time, &st->last_updated) > st->entries * update_every_ut &&
+    if(unlikely(dt_usec(&st->last_collected_time, &st->last_updated) > st->db.entries * update_every_ut &&
                 st->rrd_memory_mode != RRD_MEMORY_MODE_DBENGINE)) {
-        info(
+        netdata_log_info(
             "'%s': too old data (last updated at %"PRId64".%"PRId64", last collected at %"PRId64".%"PRId64"). "
             "Resetting it. Will not store the next entry.",
             rrdset_id(st),
@@ -1659,28 +1662,28 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
         rda->rd = dictionary_acquired_item_value(rda->item);
 
         // calculate totals
-        if(likely(rd->updated)) {
+        if(likely(rrddim_check_updated(rd))) {
             // if the new is smaller than the old (an overflow, or reset), set the old equal to the new
             // to reset the calculation (it will give zero as the calculation for this second)
-            if(unlikely(rd->algorithm == RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL && rd->last_collected_value > rd->collected_value)) {
-                debug(D_RRD_STATS, "'%s' / '%s': RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
+            if(unlikely(rd->algorithm == RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL && rd->collector.last_collected_value > rd->collector.collected_value)) {
+                netdata_log_debug(D_RRD_STATS, "'%s' / '%s': RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
                 , rrdset_id(st)
                 , rrddim_name(rd)
-                , rd->last_collected_value
-                , rd->collected_value
+                , rd->collector.last_collected_value
+                , rd->collector.collected_value
                 );
 
                 if(!(rrddim_option_check(rd, RRDDIM_OPTION_DONT_DETECT_RESETS_OR_OVERFLOWS)))
                     has_reset_value = 1;
 
-                rd->last_collected_value = rd->collected_value;
+                rd->collector.last_collected_value = rd->collector.collected_value;
             }
 
-            last_collected_total += rd->last_collected_value;
-            collected_total += rd->collected_value;
+            last_collected_total += rd->collector.last_collected_value;
+            collected_total += rd->collector.collected_value;
 
             if(unlikely(rrddim_flag_check(rd, RRDDIM_FLAG_OBSOLETE))) {
-                error("Dimension %s in chart '%s' has the OBSOLETE flag set, but it is collected.", rrddim_name(rd), rrdset_id(st));
+                netdata_log_error("Dimension %s in chart '%s' has the OBSOLETE flag set, but it is collected.", rrddim_name(rd), rrdset_id(st));
                 rrddim_isnot_obsolete(st, rd);
             }
         }
@@ -1700,8 +1703,8 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
         rd = rda->rd;
         if(unlikely(!rd)) continue;
 
-        if(unlikely(!rd->updated)) {
-            rd->calculated_value = 0;
+        if(unlikely(!rrddim_check_updated(rd))) {
+            rd->collector.calculated_value = 0;
             continue;
         }
 
@@ -1711,25 +1714,25 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                 " last_calculated_value = " NETDATA_DOUBLE_FORMAT
                 " calculated_value = " NETDATA_DOUBLE_FORMAT
                      , rrddim_name(rd)
-                     , rd->last_collected_value
-                     , rd->collected_value
-                     , rd->last_calculated_value
-                     , rd->calculated_value
+                     , rd->collector.last_collected_value
+                     , rd->collector.collected_value
+                     , rd->collector.last_calculated_value
+                     , rd->collector.calculated_value
         );
 
         switch(rd->algorithm) {
             case RRD_ALGORITHM_ABSOLUTE:
-                rd->calculated_value = (NETDATA_DOUBLE)rd->collected_value
-                                       * (NETDATA_DOUBLE)rd->multiplier
-                                       / (NETDATA_DOUBLE)rd->divisor;
+                rd->collector.calculated_value = (NETDATA_DOUBLE)rd->collector.collected_value
+                                                 * (NETDATA_DOUBLE)rd->multiplier
+                                                 / (NETDATA_DOUBLE)rd->divisor;
 
                 rrdset_debug(st, "%s: CALC ABS/ABS-NO-IN " NETDATA_DOUBLE_FORMAT " = "
                             COLLECTED_NUMBER_FORMAT
                             " * " NETDATA_DOUBLE_FORMAT
                             " / " NETDATA_DOUBLE_FORMAT
                           , rrddim_name(rd)
-                          , rd->calculated_value
-                          , rd->collected_value
+                          , rd->collector.calculated_value
+                          , rd->collector.collected_value
                           , (NETDATA_DOUBLE)rd->multiplier
                           , (NETDATA_DOUBLE)rd->divisor
                 );
@@ -1737,28 +1740,28 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
 
             case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL:
                 if(unlikely(!collected_total))
-                    rd->calculated_value = 0;
+                    rd->collector.calculated_value = 0;
                 else
                     // the percentage of the current value
                     // over the total of all dimensions
-                    rd->calculated_value =
+                    rd->collector.calculated_value =
                             (NETDATA_DOUBLE)100
-                            * (NETDATA_DOUBLE)rd->collected_value
+                            * (NETDATA_DOUBLE)rd->collector.collected_value
                             / (NETDATA_DOUBLE)collected_total;
 
                 rrdset_debug(st, "%s: CALC PCENT-ROW " NETDATA_DOUBLE_FORMAT " = 100"
                             " * " COLLECTED_NUMBER_FORMAT
                             " / " COLLECTED_NUMBER_FORMAT
                           , rrddim_name(rd)
-                          , rd->calculated_value
-                          , rd->collected_value
+                          , rd->collector.calculated_value
+                          , rd->collector.collected_value
                           , collected_total
                 );
                 break;
 
             case RRD_ALGORITHM_INCREMENTAL:
-                if(unlikely(rd->collections_counter <= 1)) {
-                    rd->calculated_value = 0;
+                if(unlikely(rd->collector.counter <= 1)) {
+                    rd->collector.calculated_value = 0;
                     continue;
                 }
 
@@ -1766,19 +1769,19 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                 // to reset the calculation (it will give zero as the calculation for this second).
                 // It is imperative to set the comparison to uint64_t since type collected_number is signed and
                 // produces wrong results as far as incremental counters are concerned.
-                if(unlikely((uint64_t)rd->last_collected_value > (uint64_t)rd->collected_value)) {
-                    debug(D_RRD_STATS, "'%s' / '%s': RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
+                if(unlikely((uint64_t)rd->collector.last_collected_value > (uint64_t)rd->collector.collected_value)) {
+                    netdata_log_debug(D_RRD_STATS, "'%s' / '%s': RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
                           , rrdset_id(st)
                           , rrddim_name(rd)
-                          , rd->last_collected_value
-                          , rd->collected_value);
+                          , rd->collector.last_collected_value
+                          , rd->collector.collected_value);
 
                     if(!(rrddim_option_check(rd, RRDDIM_OPTION_DONT_DETECT_RESETS_OR_OVERFLOWS)))
                         has_reset_value = 1;
 
-                    uint64_t last = (uint64_t)rd->last_collected_value;
-                    uint64_t new = (uint64_t)rd->collected_value;
-                    uint64_t max = (uint64_t)rd->collected_value_max;
+                    uint64_t last = (uint64_t)rd->collector.last_collected_value;
+                    uint64_t new = (uint64_t)rd->collector.collected_value;
+                    uint64_t max = (uint64_t)rd->collector.collected_value_max;
                     uint64_t cap = 0;
 
                     // Signed values are handled by exploiting two's complement which will produce positive deltas
@@ -1795,19 +1798,19 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                     // overflow.
                     // TODO: remember recent history of rates and compare with current rate to reduce this chance.
                     if (delta < max_acceptable_rate) {
-                        rd->calculated_value +=
+                        rd->collector.calculated_value +=
                                 (NETDATA_DOUBLE) delta
                                 * (NETDATA_DOUBLE) rd->multiplier
                                 / (NETDATA_DOUBLE) rd->divisor;
                     } else {
                         // This is a reset. Any overflow with a rate greater than MAX_INCREMENTAL_PERCENT_RATE will also
                         // be detected as a reset instead.
-                        rd->calculated_value += (NETDATA_DOUBLE)0;
+                        rd->collector.calculated_value += (NETDATA_DOUBLE)0;
                     }
                 }
                 else {
-                    rd->calculated_value +=
-                            (NETDATA_DOUBLE) (rd->collected_value - rd->last_collected_value)
+                    rd->collector.calculated_value +=
+                            (NETDATA_DOUBLE) (rd->collector.collected_value - rd->collector.last_collected_value)
                             * (NETDATA_DOUBLE) rd->multiplier
                             / (NETDATA_DOUBLE) rd->divisor;
                 }
@@ -1818,35 +1821,35 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                                     " * " NETDATA_DOUBLE_FORMAT
                             " / " NETDATA_DOUBLE_FORMAT
                           , rrddim_name(rd)
-                          , rd->calculated_value
-                          , rd->collected_value, rd->last_collected_value
+                          , rd->collector.calculated_value
+                          , rd->collector.collected_value, rd->collector.last_collected_value
                           , (NETDATA_DOUBLE)rd->multiplier
                           , (NETDATA_DOUBLE)rd->divisor
                 );
                 break;
 
             case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL:
-                if(unlikely(rd->collections_counter <= 1)) {
-                    rd->calculated_value = 0;
+                if(unlikely(rd->collector.counter <= 1)) {
+                    rd->collector.calculated_value = 0;
                     continue;
                 }
 
                 // the percentage of the current increment
                 // over the increment of all dimensions together
                 if(unlikely(collected_total == last_collected_total))
-                    rd->calculated_value = 0;
+                    rd->collector.calculated_value = 0;
                 else
-                    rd->calculated_value =
+                    rd->collector.calculated_value =
                             (NETDATA_DOUBLE)100
-                            * (NETDATA_DOUBLE)(rd->collected_value - rd->last_collected_value)
+                            * (NETDATA_DOUBLE)(rd->collector.collected_value - rd->collector.last_collected_value)
                             / (NETDATA_DOUBLE)(collected_total - last_collected_total);
 
                 rrdset_debug(st, "%s: CALC PCENT-DIFF " NETDATA_DOUBLE_FORMAT " = 100"
                             " * (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
                             " / (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
                           , rrddim_name(rd)
-                          , rd->calculated_value
-                          , rd->collected_value, rd->last_collected_value
+                          , rd->collector.calculated_value
+                          , rd->collector.collected_value, rd->collector.last_collected_value
                           , collected_total, last_collected_total
                 );
                 break;
@@ -1854,11 +1857,11 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
             default:
                 // make the default zero, to make sure
                 // it gets noticed when we add new types
-                rd->calculated_value = 0;
+                rd->collector.calculated_value = 0;
 
                 rrdset_debug(st, "%s: CALC " NETDATA_DOUBLE_FORMAT " = 0"
                           , rrddim_name(rd)
-                          , rd->calculated_value
+                          , rd->collector.calculated_value
                 );
                 break;
         }
@@ -1869,10 +1872,10 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                     " last_calculated_value = " NETDATA_DOUBLE_FORMAT
                     " calculated_value = " NETDATA_DOUBLE_FORMAT
                     , rrddim_name(rd)
-                    , rd->last_collected_value
-                    , rd->collected_value
-                    , rd->last_calculated_value
-                    , rd->calculated_value
+                    , rd->collector.last_collected_value
+                    , rd->collector.collected_value
+                    , rd->collector.last_calculated_value
+                    , rd->collector.calculated_value
         );
     }
 
@@ -1883,7 +1886,7 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
 //     if(unlikely(now_collect_ut < next_store_ut && st->counter_done > 1)) {
 //         // this is collected in the same interpolation point
 //         rrdset_debug(st, "THIS IS IN THE SAME INTERPOLATION POINT");
-//         info("INTERNAL CHECK: host '%s', chart '%s' collection %zu is in the same interpolation point: short by %llu microseconds", st->rrdhost->hostname, rrdset_name(st), st->counter_done, next_store_ut - now_collect_ut);
+//         netdata_log_info("INTERNAL CHECK: host '%s', chart '%s' collection %zu is in the same interpolation point: short by %llu microseconds", st->rrdhost->hostname, rrdset_name(st), st->counter_done, next_store_ut - now_collect_ut);
 //     }
 // #endif
 
@@ -1905,12 +1908,12 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
         rd = rda->rd;
         if(unlikely(!rd)) continue;
 
-        if(unlikely(!rd->updated))
+        if(unlikely(!rrddim_check_updated(rd)))
             continue;
 
-        rrdset_debug(st, "%s: setting last_collected_value (old: " COLLECTED_NUMBER_FORMAT ") to last_collected_value (new: " COLLECTED_NUMBER_FORMAT ")", rrddim_name(rd), rd->last_collected_value, rd->collected_value);
+        rrdset_debug(st, "%s: setting last_collected_value (old: " COLLECTED_NUMBER_FORMAT ") to last_collected_value (new: " COLLECTED_NUMBER_FORMAT ")", rrddim_name(rd), rd->collector.last_collected_value, rd->collector.collected_value);
 
-        rd->last_collected_value = rd->collected_value;
+        rd->collector.last_collected_value = rd->collector.collected_value;
 
         switch(rd->algorithm) {
             case RRD_ALGORITHM_INCREMENTAL:
@@ -1918,10 +1921,10 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                     rrdset_debug(st, "%s: setting last_calculated_value (old: " NETDATA_DOUBLE_FORMAT ") to "
                                      "last_calculated_value (new: " NETDATA_DOUBLE_FORMAT ")"
                         , rrddim_name(rd)
-                        , rd->last_calculated_value + rd->calculated_value
-                        , rd->calculated_value);
+                        , rd->collector.last_calculated_value + rd->collector.calculated_value
+                        , rd->collector.calculated_value);
 
-                    rd->last_calculated_value += rd->calculated_value;
+                    rd->collector.last_calculated_value += rd->collector.calculated_value;
                 }
                 else {
                     rrdset_debug(st, "THIS IS THE FIRST POINT");
@@ -1934,16 +1937,16 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                 rrdset_debug(st, "%s: setting last_calculated_value (old: " NETDATA_DOUBLE_FORMAT ") to "
                                  "last_calculated_value (new: " NETDATA_DOUBLE_FORMAT ")"
                     , rrddim_name(rd)
-                    , rd->last_calculated_value
-                    , rd->calculated_value);
+                    , rd->collector.last_calculated_value
+                    , rd->collector.calculated_value);
 
-                rd->last_calculated_value = rd->calculated_value;
+                rd->collector.last_calculated_value = rd->collector.calculated_value;
                 break;
         }
 
-        rd->calculated_value = 0;
-        rd->collected_value = 0;
-        rd->updated = 0;
+        rd->collector.calculated_value = 0;
+        rd->collector.collected_value = 0;
+        rrddim_clear_updated(rd);
 
         rrdset_debug(st, "%s: END "
                     " last_collected_value = " COLLECTED_NUMBER_FORMAT
@@ -1951,14 +1954,14 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
                     " last_calculated_value = " NETDATA_DOUBLE_FORMAT
                     " calculated_value = " NETDATA_DOUBLE_FORMAT
                     , rrddim_name(rd)
-                    , rd->last_collected_value
-                    , rd->collected_value
-                    , rd->last_calculated_value
-                    , rd->calculated_value
+                    , rd->collector.last_collected_value
+                    , rd->collector.collected_value
+                    , rd->collector.last_calculated_value
+                    , rd->collector.calculated_value
         );
     }
 
-    netdata_spinlock_unlock(&st->data_collection_lock);
+    spinlock_unlock(&st->data_collection_lock);
     rrdset_push_metrics_finished(&stream_buffer, st);
 
     // ALL DONE ABOUT THE DATA UPDATE
@@ -1991,6 +1994,8 @@ void rrdset_timed_done(RRDSET *st, struct timeval now, bool pending_rrdset_next)
 }
 
 time_t rrdset_set_update_every_s(RRDSET *st, time_t update_every_s) {
+    if(unlikely(update_every_s == st->update_every))
+        return st->update_every;
 
     internal_error(true, "RRDSET '%s' switching update every from %d to %d",
                    rrdset_id(st), (int)st->update_every, (int)update_every_s);
@@ -2007,10 +2012,6 @@ time_t rrdset_set_update_every_s(RRDSET *st, time_t update_every_s) {
                         rd->tiers[tier].db_collection_handle,
                         (int)(st->rrdhost->db[tier].tier_grouping * st->update_every));
         }
-
-        assert(rd->update_every == (int) prev_update_every_s &&
-               "chart's update every differs from the update every of its dimensions");
-        rd->update_every = st->update_every;
     }
     rrddim_foreach_done(rd);
 
@@ -2094,10 +2095,10 @@ struct rrdset_map_save_v019 {
 };
 
 void rrdset_memory_file_update(RRDSET *st) {
-    if(!st->st_on_file) return;
-    struct rrdset_map_save_v019 *st_on_file = st->st_on_file;
+    if(!st->db.st_on_file) return;
+    struct rrdset_map_save_v019 *st_on_file = st->db.st_on_file;
 
-    st_on_file->current_entry = st->current_entry;
+    st_on_file->current_entry = st->db.current_entry;
     st_on_file->counter = st->counter;
     st_on_file->usec_since_last_update = st->usec_since_last_update;
     st_on_file->last_updated.tv_sec = st->last_updated.tv_sec;
@@ -2105,41 +2106,41 @@ void rrdset_memory_file_update(RRDSET *st) {
 }
 
 const char *rrdset_cache_filename(RRDSET *st) {
-    if(!st->st_on_file) return NULL;
-    struct rrdset_map_save_v019 *st_on_file = st->st_on_file;
+    if(!st->db.st_on_file) return NULL;
+    struct rrdset_map_save_v019 *st_on_file = st->db.st_on_file;
     return st_on_file->cache_filename;
 }
 
 const char *rrdset_cache_dir(RRDSET *st) {
-    if(!st->cache_dir)
-        st->cache_dir = rrdhost_cache_dir_for_rrdset_alloc(st->rrdhost, rrdset_id(st));
+    if(!st->db.cache_dir)
+        st->db.cache_dir = rrdhost_cache_dir_for_rrdset_alloc(st->rrdhost, rrdset_id(st));
 
-    return st->cache_dir;
+    return st->db.cache_dir;
 }
 
 void rrdset_memory_file_free(RRDSET *st) {
-    if(!st->st_on_file) return;
+    if(!st->db.st_on_file) return;
 
     // needed for memory mode map, to save the latest state
     rrdset_memory_file_update(st);
 
-    struct rrdset_map_save_v019 *st_on_file = st->st_on_file;
+    struct rrdset_map_save_v019 *st_on_file = st->db.st_on_file;
     __atomic_sub_fetch(&rrddim_db_memory_size, st_on_file->memsize, __ATOMIC_RELAXED);
     netdata_munmap(st_on_file, st_on_file->memsize);
 
     // remove the pointers from the RRDDIM
-    st->st_on_file = NULL;
+    st->db.st_on_file = NULL;
 }
 
 void rrdset_memory_file_save(RRDSET *st) {
-    if(!st->st_on_file) return;
+    if(!st->db.st_on_file) return;
 
     rrdset_memory_file_update(st);
 
-    struct rrdset_map_save_v019 *st_on_file = st->st_on_file;
+    struct rrdset_map_save_v019 *st_on_file = st->db.st_on_file;
     if(st_on_file->rrd_memory_mode != RRD_MEMORY_MODE_SAVE) return;
 
-    memory_file_save(st_on_file->cache_filename, st->st_on_file, st_on_file->memsize);
+    memory_file_save(st_on_file->cache_filename, st->db.st_on_file, st_on_file->memsize);
 }
 
 bool rrdset_memory_load_or_create_map_save(RRDSET *st, RRD_MEMORY_MODE memory_mode) {
@@ -2159,27 +2160,27 @@ bool rrdset_memory_load_or_create_map_save(RRDSET *st, RRD_MEMORY_MODE memory_mo
 
     st_on_file->magic[sizeof(RRDSET_MAGIC_V019)] = '\0';
     if(strcmp(st_on_file->magic, RRDSET_MAGIC_V019) != 0) {
-        info("Initializing file '%s'.", fullfilename);
+        netdata_log_info("Initializing file '%s'.", fullfilename);
         memset(st_on_file, 0, size);
     }
     else if(strncmp(st_on_file->id, rrdset_id(st), RRD_ID_LENGTH_MAX_V019) != 0) {
-        error("File '%s' contents are not for chart '%s'. Clearing it.", fullfilename, rrdset_id(st));
+        netdata_log_error("File '%s' contents are not for chart '%s'. Clearing it.", fullfilename, rrdset_id(st));
         memset(st_on_file, 0, size);
     }
-    else if(st_on_file->memsize != size || st_on_file->entries != st->entries) {
-        error("File '%s' does not have the desired size. Clearing it.", fullfilename);
+    else if(st_on_file->memsize != size || st_on_file->entries != st->db.entries) {
+        netdata_log_error("File '%s' does not have the desired size. Clearing it.", fullfilename);
         memset(st_on_file, 0, size);
     }
     else if(st_on_file->update_every != st->update_every) {
-        error("File '%s' does not have the desired granularity. Clearing it.", fullfilename);
+        netdata_log_error("File '%s' does not have the desired granularity. Clearing it.", fullfilename);
         memset(st_on_file, 0, size);
     }
-    else if((now_s - st_on_file->last_updated.tv_sec) > st->update_every * st->entries) {
-        info("File '%s' is too old. Clearing it.", fullfilename);
+    else if((now_s - st_on_file->last_updated.tv_sec) > (long)st->update_every * (long)st->db.entries) {
+        netdata_log_info("File '%s' is too old. Clearing it.", fullfilename);
         memset(st_on_file, 0, size);
     }
     else if(st_on_file->last_updated.tv_sec > now_s + st->update_every) {
-        error("File '%s' refers to the future by %zd secs. Resetting it to now.", fullfilename, (ssize_t)(st_on_file->last_updated.tv_sec - now_s));
+        netdata_log_error("File '%s' refers to the future by %zd secs. Resetting it to now.", fullfilename, (ssize_t)(st_on_file->last_updated.tv_sec - now_s));
         st_on_file->last_updated.tv_sec = now_s;
     }
 
@@ -2194,14 +2195,14 @@ bool rrdset_memory_load_or_create_map_save(RRDSET *st, RRD_MEMORY_MODE memory_mo
     }
 
     // copy the useful values to st
-    st->current_entry = st_on_file->current_entry;
+    st->db.current_entry = st_on_file->current_entry;
     st->counter = st_on_file->counter;
     st->usec_since_last_update = st_on_file->usec_since_last_update;
     st->last_updated.tv_sec = st_on_file->last_updated.tv_sec;
     st->last_updated.tv_usec = st_on_file->last_updated.tv_usec;
 
     // link it to st
-    st->st_on_file = st_on_file;
+    st->db.st_on_file = st_on_file;
 
     // clear everything
     memset(st_on_file, 0, size);
@@ -2211,7 +2212,7 @@ bool rrdset_memory_load_or_create_map_save(RRDSET *st, RRD_MEMORY_MODE memory_mo
     strcpy(st_on_file->cache_filename, fullfilename);
     strcpy(st_on_file->magic, RRDSET_MAGIC_V019);
     st_on_file->memsize = size;
-    st_on_file->entries = st->entries;
+    st_on_file->entries = st->db.entries;
     st_on_file->update_every = st->update_every;
     st_on_file->rrd_memory_mode = memory_mode;