From 1746898cefcb17f58b5cf27b4dad3d28236f1152 Mon Sep 17 00:00:00 2001 From: Lennart Weller Date: Mon, 5 Sep 2016 10:27:21 +0200 Subject: Imported Upstream version 1.3.0+dfsg --- conf.d/health.d/memcached.conf | 46 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 conf.d/health.d/memcached.conf (limited to 'conf.d/health.d/memcached.conf') diff --git a/conf.d/health.d/memcached.conf b/conf.d/health.d/memcached.conf new file mode 100644 index 000000000..05ff14711 --- /dev/null +++ b/conf.d/health.d/memcached.conf @@ -0,0 +1,46 @@ + +# make sure memcached is running + +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 + info: number of seconds since the last successful data collection + + +# detect if memcached cache is full + +template: cache_full_pcent + on: memcached.cache + calc: $used * 100 / ($used + $available) + every: 10s + warn: $this > 80 + crit: $this > 90 + units: % + info: current cache memory usage + + +# find the rate memcached cache is filling + +template: cache_fill_rate + on: memcached.cache + lookup: max -1s at -30m unaligned of available + calc: ($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 + + +# find the hours remaining until memcached cache is full + +template: cache_full_after_hours + on: memcached.cache + calc: $available / $cache_fill_rate / 3600 + every: 10s + warn: $this > 0 and $this < 48 + crit: $this > 0 and $this < 24 + 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 -- cgit v1.2.3