diff options
| author | Mathieu Arnold <mat@FreeBSD.org> | 2017-11-06 14:39:47 +0000 |
|---|---|---|
| committer | Mathieu Arnold <mat@FreeBSD.org> | 2017-11-06 14:39:47 +0000 |
| commit | 2a0b82b167d1fdd5943072f6372e18c0f7b4a940 (patch) | |
| tree | 3ccd0b24965e4a605b4314de7e2145f81e9a83b8 /sysutils/munin-node/plugins/zfs_arc_compression | |
| parent | Fix build with MariaDB 10.2. (diff) | |
Add a plugin to graph zfs arc compression.
PR: 223423
Submitted by: bcr
Sponsored by: Absolight
Notes
Notes:
svn path=/head/; revision=453622
Diffstat (limited to 'sysutils/munin-node/plugins/zfs_arc_compression')
| -rw-r--r-- | sysutils/munin-node/plugins/zfs_arc_compression | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sysutils/munin-node/plugins/zfs_arc_compression b/sysutils/munin-node/plugins/zfs_arc_compression new file mode 100644 index 000000000000..79d5ef2f2197 --- /dev/null +++ b/sysutils/munin-node/plugins/zfs_arc_compression @@ -0,0 +1,22 @@ +#!/bin/sh +# +# $FreeBSD$ + +set -e +set -u + +UNCOMP_ARC=$(sysctl -n kstat.zfs.misc.arcstats.uncompressed_size) +COMP_ARC=$(sysctl -n kstat.zfs.misc.arcstats.compressed_size) + +value=$(bc -e scale=2 -e "$UNCOMP_ARC/$COMP_ARC" -e quit) + +cat <<EOM +graph_title ZFS ARC compression ratio +graph_vlabel ratio +graph_category ZFS +graph_info This graph shows the ZFS ARC compression (uncompressed vs. compressed) ratio +ratio.label ratio +ratio.value $value +EOM + +exit 0 |