diff options
Diffstat (limited to 'conf.d/health.d/memcached.conf')
| -rw-r--r-- | conf.d/health.d/memcached.conf | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/conf.d/health.d/memcached.conf b/conf.d/health.d/memcached.conf index 05ff1471..46a8ca0e 100644 --- a/conf.d/health.d/memcached.conf +++ b/conf.d/health.d/memcached.conf @@ -4,43 +4,49 @@ template: memcached_last_collected_secs on: memcached.cache calc: $now - $last_collected_t - every: 10s - warn: $this > ( 5 * $update_every) - crit: $this > (10 * $update_every) units: seconds ago + every: 10s + warn: $this > (($status >= $WARNING) ? (0) : ( 5 * $update_every)) + crit: $this > (($status == $CRITICAL) ? (0) : (60 * $update_every)) + delay: down 5m multiplier 1.5 max 1h info: number of seconds since the last successful data collection + to: dba # detect if memcached cache is full -template: cache_full_pcent +template: memcached_cache_memory_usage on: memcached.cache calc: $used * 100 / ($used + $available) - every: 10s - warn: $this > 80 - crit: $this > 90 units: % + every: 10s + warn: $this > (($status >= $WARNING) ? (70) : (80)) + crit: $this > (($status == $CRITICAL) ? (80) : (90)) + delay: up 0 down 15m multiplier 1.5 max 1h info: current cache memory usage + to: dba # find the rate memcached cache is filling template: cache_fill_rate on: memcached.cache - lookup: max -1s at -30m unaligned of available - calc: ($this - $available) / ($now - $after) - every: 15s - units: KB/s - info: average rate the cache fills up (positive), or frees up (negative) space, for the last 30 minutes + lookup: min -10m at -50m unaligned of available + calc: ($this - $available) / (($now - $after) / 3600) + units: KB/hour + every: 1m + info: average rate the cache fills up (positive), or frees up (negative) space, for the last hour # find the hours remaining until memcached cache is full -template: cache_full_after_hours +template: out_of_cache_space_time on: memcached.cache - calc: $available / $cache_fill_rate / 3600 - every: 10s - warn: $this > 0 and $this < 48 - crit: $this > 0 and $this < 24 + calc: $available / $cache_fill_rate units: hours - info: estimated time the cache will run out of space, if the system continues to add data with the rate of the last 30 minutes + every: 10s + warn: $this > 0 and $this < (($status >= $WARNING) ? (48) : (8)) + crit: $this > 0 and $this < (($status == $CRITICAL) ? (24) : (2)) + delay: down 15m multiplier 1.5 max 1h + info: estimated time the cache will run out of space, if the system continues to add data with the rate of the last hour + to: dba |