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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
commit | 8d4f58e49b9dc7d3545651023a36729de773ad86 (patch) | |
tree | 7bc7be4a8e9e298daa1349348400aa2a653866f2 /health/health.d/memcached.conf | |
parent | Initial commit. (diff) | |
download | netdata-upstream.tar.xz netdata-upstream.zip |
Adding upstream version 1.12.0.upstream/1.12.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | health/health.d/memcached.conf | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/health/health.d/memcached.conf b/health/health.d/memcached.conf new file mode 100644 index 0000000..d248ef5 --- /dev/null +++ b/health/health.d/memcached.conf @@ -0,0 +1,52 @@ + +# make sure memcached is running + +template: memcached_last_collected_secs + on: memcached.cache + calc: $now - $last_collected_t + units: seconds ago + every: 10s + warn: $this > (($status >= $WARNING) ? ($update_every) : ( 5 * $update_every)) + crit: $this > (($status == $CRITICAL) ? ($update_every) : (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: memcached_cache_memory_usage + on: memcached.cache + calc: $used * 100 / ($used + $available) + units: % + every: 10s + warn: $this > (($status >= $WARNING) ? (70) : (80)) + crit: $this > (($status == $CRITICAL) ? (80) : (90)) + delay: up 0 down 15m multiplier 1.5 max 1h + info: current cache memory usage + to: dba + + +# find the rate memcached cache is filling + +template: cache_fill_rate + on: memcached.cache + lookup: min -10m at -50m unaligned of available + calc: ($this - $available) / (($now - $after) / 3600) + units: KB/hour + every: 1m + info: average rate the cache fills up (positive), or frees up (negative) space, for the last hour + + +# find the hours remaining until memcached cache is full + +template: out_of_cache_space_time + on: memcached.cache + calc: ($cache_fill_rate > 0) ? ($available / $cache_fill_rate) : (inf) + units: hours + 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 |