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// SPDX-License-Identifier: GPL-3.0-or-later
package postgres
import "fmt"
func (p *Postgres) collectMetrics(mx map[string]int64) {
mx["server_connections_used"] = p.mx.connUsed
if p.mx.maxConnections > 0 {
mx["server_connections_available"] = p.mx.maxConnections - p.mx.connUsed
mx["server_connections_utilization"] = calcPercentage(p.mx.connUsed, p.mx.maxConnections)
}
p.mx.xactTimeHist.WriteTo(mx, "transaction_running_time_hist", 1, 1)
p.mx.queryTimeHist.WriteTo(mx, "query_running_time_hist", 1, 1)
mx["server_uptime"] = p.mx.uptime
mx["server_connections_state_active"] = p.mx.connStateActive
mx["server_connections_state_idle"] = p.mx.connStateIdle
mx["server_connections_state_idle_in_transaction"] = p.mx.connStateIdleInTrans
mx["server_connections_state_idle_in_transaction_aborted"] = p.mx.connStateIdleInTransAborted
mx["server_connections_state_fastpath_function_call"] = p.mx.connStateFastpathFunctionCall
mx["server_connections_state_disabled"] = p.mx.connStateDisabled
mx["checkpoints_timed"] = p.mx.checkpointsTimed
mx["checkpoints_req"] = p.mx.checkpointsReq
mx["checkpoint_write_time"] = p.mx.checkpointWriteTime
mx["checkpoint_sync_time"] = p.mx.checkpointSyncTime
mx["buffers_checkpoint"] = p.mx.buffersCheckpoint
mx["buffers_clean"] = p.mx.buffersClean
mx["maxwritten_clean"] = p.mx.maxwrittenClean
mx["buffers_backend"] = p.mx.buffersBackend
mx["buffers_backend_fsync"] = p.mx.buffersBackendFsync
mx["buffers_alloc"] = p.mx.buffersAlloc
mx["oldest_current_xid"] = p.mx.oldestXID
mx["percent_towards_wraparound"] = p.mx.percentTowardsWraparound
mx["percent_towards_emergency_autovacuum"] = p.mx.percentTowardsEmergencyAutovacuum
mx["wal_writes"] = p.mx.walWrites
mx["wal_recycled_files"] = p.mx.walRecycledFiles
mx["wal_written_files"] = p.mx.walWrittenFiles
mx["wal_archive_files_ready_count"] = p.mx.walArchiveFilesReady
mx["wal_archive_files_done_count"] = p.mx.walArchiveFilesDone
mx["catalog_relkind_r_count"] = p.mx.relkindOrdinaryTable
mx["catalog_relkind_i_count"] = p.mx.relkindIndex
mx["catalog_relkind_S_count"] = p.mx.relkindSequence
mx["catalog_relkind_t_count"] = p.mx.relkindTOASTTable
mx["catalog_relkind_v_count"] = p.mx.relkindView
mx["catalog_relkind_m_count"] = p.mx.relkindMatView
mx["catalog_relkind_c_count"] = p.mx.relkindCompositeType
mx["catalog_relkind_f_count"] = p.mx.relkindForeignTable
mx["catalog_relkind_p_count"] = p.mx.relkindPartitionedTable
mx["catalog_relkind_I_count"] = p.mx.relkindPartitionedIndex
mx["catalog_relkind_r_size"] = p.mx.relkindOrdinaryTableSize
mx["catalog_relkind_i_size"] = p.mx.relkindIndexSize
mx["catalog_relkind_S_size"] = p.mx.relkindSequenceSize
mx["catalog_relkind_t_size"] = p.mx.relkindTOASTTableSize
mx["catalog_relkind_v_size"] = p.mx.relkindViewSize
mx["catalog_relkind_m_size"] = p.mx.relkindMatViewSize
mx["catalog_relkind_c_size"] = p.mx.relkindCompositeTypeSize
mx["catalog_relkind_f_size"] = p.mx.relkindForeignTableSize
mx["catalog_relkind_p_size"] = p.mx.relkindPartitionedTableSize
mx["catalog_relkind_I_size"] = p.mx.relkindPartitionedIndexSize
mx["autovacuum_analyze"] = p.mx.autovacuumWorkersAnalyze
mx["autovacuum_vacuum_analyze"] = p.mx.autovacuumWorkersVacuumAnalyze
mx["autovacuum_vacuum"] = p.mx.autovacuumWorkersVacuum
mx["autovacuum_vacuum_freeze"] = p.mx.autovacuumWorkersVacuumFreeze
mx["autovacuum_brin_summarize"] = p.mx.autovacuumWorkersBrinSummarize
var locksHeld int64
for name, m := range p.mx.dbs {
if !m.updated {
delete(p.mx.dbs, name)
p.removeDatabaseCharts(m)
continue
}
if !m.hasCharts {
m.hasCharts = true
p.addNewDatabaseCharts(m)
if p.isPGInRecovery() {
p.addDBConflictsCharts(m)
}
}
px := "db_" + m.name + "_"
mx[px+"numbackends"] = m.numBackends
if m.datConnLimit <= 0 {
mx[px+"numbackends_utilization"] = calcPercentage(m.numBackends, p.mx.maxConnections)
} else {
mx[px+"numbackends_utilization"] = calcPercentage(m.numBackends, m.datConnLimit)
}
mx[px+"xact_commit"] = m.xactCommit
mx[px+"xact_rollback"] = m.xactRollback
mx[px+"blks_read"] = m.blksRead.last
mx[px+"blks_hit"] = m.blksHit.last
mx[px+"blks_read_perc"] = calcDeltaPercentage(m.blksRead, m.blksHit)
m.blksRead.prev, m.blksHit.prev = m.blksRead.last, m.blksHit.last
mx[px+"tup_returned"] = m.tupReturned.last
mx[px+"tup_fetched"] = m.tupFetched.last
mx[px+"tup_fetched_perc"] = calcPercentage(m.tupFetched.delta(), m.tupReturned.delta())
m.tupReturned.prev, m.tupFetched.prev = m.tupReturned.last, m.tupFetched.last
mx[px+"tup_inserted"] = m.tupInserted
mx[px+"tup_updated"] = m.tupUpdated
mx[px+"tup_deleted"] = m.tupDeleted
mx[px+"conflicts"] = m.conflicts
if m.size != nil {
mx[px+"size"] = *m.size
}
mx[px+"temp_files"] = m.tempFiles
mx[px+"temp_bytes"] = m.tempBytes
mx[px+"deadlocks"] = m.deadlocks
mx[px+"confl_tablespace"] = m.conflTablespace
mx[px+"confl_lock"] = m.conflLock
mx[px+"confl_snapshot"] = m.conflSnapshot
mx[px+"confl_bufferpin"] = m.conflBufferpin
mx[px+"confl_deadlock"] = m.conflDeadlock
mx[px+"lock_mode_AccessShareLock_held"] = m.accessShareLockHeld
mx[px+"lock_mode_RowShareLock_held"] = m.rowShareLockHeld
mx[px+"lock_mode_RowExclusiveLock_held"] = m.rowExclusiveLockHeld
mx[px+"lock_mode_ShareUpdateExclusiveLock_held"] = m.shareUpdateExclusiveLockHeld
mx[px+"lock_mode_ShareLock_held"] = m.shareLockHeld
mx[px+"lock_mode_ShareRowExclusiveLock_held"] = m.shareRowExclusiveLockHeld
mx[px+"lock_mode_ExclusiveLock_held"] = m.exclusiveLockHeld
mx[px+"lock_mode_AccessExclusiveLock_held"] = m.accessExclusiveLockHeld
mx[px+"lock_mode_AccessShareLock_awaited"] = m.accessShareLockAwaited
mx[px+"lock_mode_RowShareLock_awaited"] = m.rowShareLockAwaited
mx[px+"lock_mode_RowExclusiveLock_awaited"] = m.rowExclusiveLockAwaited
mx[px+"lock_mode_ShareUpdateExclusiveLock_awaited"] = m.shareUpdateExclusiveLockAwaited
mx[px+"lock_mode_ShareLock_awaited"] = m.shareLockAwaited
mx[px+"lock_mode_ShareRowExclusiveLock_awaited"] = m.shareRowExclusiveLockAwaited
mx[px+"lock_mode_ExclusiveLock_awaited"] = m.exclusiveLockAwaited
mx[px+"lock_mode_AccessExclusiveLock_awaited"] = m.accessExclusiveLockAwaited
locksHeld += m.accessShareLockHeld + m.rowShareLockHeld +
m.rowExclusiveLockHeld + m.shareUpdateExclusiveLockHeld +
m.shareLockHeld + m.shareRowExclusiveLockHeld +
m.exclusiveLockHeld + m.accessExclusiveLockHeld
}
mx["databases_count"] = int64(len(p.mx.dbs))
mx["locks_utilization"] = calcPercentage(locksHeld, p.mx.maxLocksHeld)
for name, m := range p.mx.tables {
if !m.updated {
delete(p.mx.tables, name)
p.removeTableCharts(m)
continue
}
if !m.hasCharts {
m.hasCharts = true
p.addNewTableCharts(m)
}
if !m.hasLastAutoVacuumChart && m.lastAutoVacuumAgo > 0 {
m.hasLastAutoVacuumChart = true
p.addTableLastAutoVacuumAgoChart(m)
}
if !m.hasLastVacuumChart && m.lastVacuumAgo > 0 {
m.hasLastVacuumChart = true
p.addTableLastVacuumAgoChart(m)
}
if !m.hasLastAutoAnalyzeChart && m.lastAutoAnalyzeAgo > 0 {
m.hasLastAutoAnalyzeChart = true
p.addTableLastAutoAnalyzeAgoChart(m)
}
if !m.hasLastAnalyzeChart && m.lastAnalyzeAgo > 0 {
m.hasLastAnalyzeChart = true
p.addTableLastAnalyzeAgoChart(m)
}
if !m.hasTableIOCharts && m.heapBlksRead.last != -1 {
m.hasTableIOCharts = true
p.addTableIOChartsCharts(m)
}
if !m.hasTableIdxIOCharts && m.idxBlksRead.last != -1 {
m.hasTableIdxIOCharts = true
p.addTableIndexIOCharts(m)
}
if !m.hasTableTOASTIOCharts && m.toastBlksRead.last != -1 {
m.hasTableTOASTIOCharts = true
p.addTableTOASTIOCharts(m)
}
if !m.hasTableTOASTIdxIOCharts && m.tidxBlksRead.last != -1 {
m.hasTableTOASTIdxIOCharts = true
p.addTableTOASTIndexIOCharts(m)
}
px := fmt.Sprintf("table_%s_db_%s_schema_%s_", m.name, m.db, m.schema)
mx[px+"seq_scan"] = m.seqScan
mx[px+"seq_tup_read"] = m.seqTupRead
mx[px+"idx_scan"] = m.idxScan
mx[px+"idx_tup_fetch"] = m.idxTupFetch
mx[px+"n_live_tup"] = m.nLiveTup
mx[px+"n_dead_tup"] = m.nDeadTup
mx[px+"n_dead_tup_perc"] = calcPercentage(m.nDeadTup, m.nDeadTup+m.nLiveTup)
mx[px+"n_tup_ins"] = m.nTupIns
mx[px+"n_tup_upd"] = m.nTupUpd.last
mx[px+"n_tup_del"] = m.nTupDel
mx[px+"n_tup_hot_upd"] = m.nTupHotUpd.last
if m.lastAutoVacuumAgo != -1 {
mx[px+"last_autovacuum_ago"] = m.lastAutoVacuumAgo
}
if m.lastVacuumAgo != -1 {
mx[px+"last_vacuum_ago"] = m.lastVacuumAgo
}
if m.lastAutoAnalyzeAgo != -1 {
mx[px+"last_autoanalyze_ago"] = m.lastAutoAnalyzeAgo
}
if m.lastAnalyzeAgo != -1 {
mx[px+"last_analyze_ago"] = m.lastAnalyzeAgo
}
mx[px+"total_size"] = m.totalSize
if m.bloatSize != nil && m.bloatSizePerc != nil {
mx[px+"bloat_size"] = *m.bloatSize
mx[px+"bloat_size_perc"] = *m.bloatSizePerc
}
if m.nullColumns != nil {
mx[px+"null_columns"] = *m.nullColumns
}
mx[px+"n_tup_hot_upd_perc"] = calcPercentage(m.nTupHotUpd.delta(), m.nTupUpd.delta())
m.nTupHotUpd.prev, m.nTupUpd.prev = m.nTupHotUpd.last, m.nTupUpd.last
mx[px+"heap_blks_read"] = m.heapBlksRead.last
mx[px+"heap_blks_hit"] = m.heapBlksHit.last
mx[px+"heap_blks_read_perc"] = calcDeltaPercentage(m.heapBlksRead, m.heapBlksHit)
m.heapBlksHit.prev, m.heapBlksRead.prev = m.heapBlksHit.last, m.heapBlksRead.last
mx[px+"idx_blks_read"] = m.idxBlksRead.last
mx[px+"idx_blks_hit"] = m.idxBlksHit.last
mx[px+"idx_blks_read_perc"] = calcDeltaPercentage(m.idxBlksRead, m.idxBlksHit)
m.idxBlksHit.prev, m.idxBlksRead.prev = m.idxBlksHit.last, m.idxBlksRead.last
mx[px+"toast_blks_read"] = m.toastBlksRead.last
mx[px+"toast_blks_hit"] = m.toastBlksHit.last
mx[px+"toast_blks_read_perc"] = calcDeltaPercentage(m.toastBlksRead, m.toastBlksHit)
m.toastBlksHit.prev, m.toastBlksRead.prev = m.toastBlksHit.last, m.toastBlksRead.last
mx[px+"tidx_blks_read"] = m.tidxBlksRead.last
mx[px+"tidx_blks_hit"] = m.tidxBlksHit.last
mx[px+"tidx_blks_read_perc"] = calcDeltaPercentage(m.tidxBlksRead, m.tidxBlksHit)
m.tidxBlksHit.prev, m.tidxBlksRead.prev = m.tidxBlksHit.last, m.tidxBlksRead.last
}
for name, m := range p.mx.indexes {
if !m.updated {
delete(p.mx.indexes, name)
p.removeIndexCharts(m)
continue
}
if !m.hasCharts {
m.hasCharts = true
p.addNewIndexCharts(m)
}
px := fmt.Sprintf("index_%s_table_%s_db_%s_schema_%s_", m.name, m.table, m.db, m.schema)
mx[px+"size"] = m.size
if m.bloatSize != nil && m.bloatSizePerc != nil {
mx[px+"bloat_size"] = *m.bloatSize
mx[px+"bloat_size_perc"] = *m.bloatSizePerc
}
if m.idxScan+m.idxTupRead+m.idxTupFetch > 0 {
mx[px+"usage_status_used"], mx[px+"usage_status_unused"] = 1, 0
} else {
mx[px+"usage_status_used"], mx[px+"usage_status_unused"] = 0, 1
}
}
for name, m := range p.mx.replApps {
if !m.updated {
delete(p.mx.replApps, name)
p.removeReplicationStandbyAppCharts(name)
continue
}
if !m.hasCharts {
m.hasCharts = true
p.addNewReplicationStandbyAppCharts(name)
}
px := "repl_standby_app_" + m.name + "_wal_"
mx[px+"sent_lag_size"] = m.walSentDelta
mx[px+"write_lag_size"] = m.walWriteDelta
mx[px+"flush_lag_size"] = m.walFlushDelta
mx[px+"replay_lag_size"] = m.walReplayDelta
mx[px+"write_time"] = m.walWriteLag
mx[px+"flush_lag_time"] = m.walFlushLag
mx[px+"replay_lag_time"] = m.walReplayLag
}
for name, m := range p.mx.replSlots {
if !m.updated {
delete(p.mx.replSlots, name)
p.removeReplicationSlotCharts(name)
continue
}
if !m.hasCharts {
m.hasCharts = true
p.addNewReplicationSlotCharts(name)
}
px := "repl_slot_" + m.name + "_"
mx[px+"replslot_wal_keep"] = m.walKeep
mx[px+"replslot_files"] = m.files
}
}
func (p *Postgres) resetMetrics() {
p.mx.srvMetrics = srvMetrics{
xactTimeHist: p.mx.xactTimeHist,
queryTimeHist: p.mx.queryTimeHist,
maxConnections: p.mx.maxConnections,
maxLocksHeld: p.mx.maxLocksHeld,
}
for name, m := range p.mx.dbs {
p.mx.dbs[name] = &dbMetrics{
name: m.name,
hasCharts: m.hasCharts,
blksRead: incDelta{prev: m.blksRead.prev},
blksHit: incDelta{prev: m.blksHit.prev},
tupReturned: incDelta{prev: m.tupReturned.prev},
tupFetched: incDelta{prev: m.tupFetched.prev},
}
}
for name, m := range p.mx.tables {
p.mx.tables[name] = &tableMetrics{
db: m.db,
schema: m.schema,
name: m.name,
hasCharts: m.hasCharts,
hasLastAutoVacuumChart: m.hasLastAutoVacuumChart,
hasLastVacuumChart: m.hasLastVacuumChart,
hasLastAutoAnalyzeChart: m.hasLastAutoAnalyzeChart,
hasLastAnalyzeChart: m.hasLastAnalyzeChart,
hasTableIOCharts: m.hasTableIOCharts,
hasTableIdxIOCharts: m.hasTableIdxIOCharts,
hasTableTOASTIOCharts: m.hasTableTOASTIOCharts,
hasTableTOASTIdxIOCharts: m.hasTableTOASTIdxIOCharts,
nTupUpd: incDelta{prev: m.nTupUpd.prev},
nTupHotUpd: incDelta{prev: m.nTupHotUpd.prev},
heapBlksRead: incDelta{prev: m.heapBlksRead.prev},
heapBlksHit: incDelta{prev: m.heapBlksHit.prev},
idxBlksRead: incDelta{prev: m.idxBlksRead.prev},
idxBlksHit: incDelta{prev: m.idxBlksHit.prev},
toastBlksRead: incDelta{prev: m.toastBlksRead.prev},
toastBlksHit: incDelta{prev: m.toastBlksHit.prev},
tidxBlksRead: incDelta{prev: m.tidxBlksRead.prev},
tidxBlksHit: incDelta{prev: m.tidxBlksHit.prev},
bloatSize: m.bloatSize,
bloatSizePerc: m.bloatSizePerc,
nullColumns: m.nullColumns,
}
}
for name, m := range p.mx.indexes {
p.mx.indexes[name] = &indexMetrics{
name: m.name,
db: m.db,
schema: m.schema,
table: m.table,
updated: m.updated,
hasCharts: m.hasCharts,
bloatSize: m.bloatSize,
bloatSizePerc: m.bloatSizePerc,
}
}
for name, m := range p.mx.replApps {
p.mx.replApps[name] = &replStandbyAppMetrics{
name: m.name,
hasCharts: m.hasCharts,
}
}
for name, m := range p.mx.replSlots {
p.mx.replSlots[name] = &replSlotMetrics{
name: m.name,
hasCharts: m.hasCharts,
}
}
}
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