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Exclude monitoring of some filesystems on macos

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For a short time after boot, macos sometimes mounts a filesystem of type
"msdos" at the unique path /Volumes/firmwaresyncd.XXXXXX.

Telegraf [inputs.disk] plug-in stores records to InfluxDB, with the unique
mount path under "path" tag. The uniqueness of the path blows up the
cardinality of the database.

So exclude "msdos" filesystems from being monitored by telegraf.  Additionally
exclude "cd9660" filesystems that appear always as 100% full.

Change-Id: I4cdd3fca57b3db6157df168cc8a5314e64528b2d
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>
This commit is contained in:
Dimitrios Apostolou
2020-01-29 14:48:07 +01:00
parent 150f6277e0
commit b2d3df3553
1 changed files with 7 additions and 1 deletions
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8
coin/provisioning/common/macos/telegraf-coin.conf
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@@ -24,7 +24,13 @@
# collect_cpu_time = false
# report_active = false
[[inputs.disk]]
ignore_fs = ["tmpfs", "devtmpfs", "devfs", "iso9660", "overlay", "aufs", "squashfs"]
# macOS needs two extra filesystem exceptions:
# + cd9660: This is a read-only filesystem, and always 100% full
# + msdos: Sometimes at boot a short-lived unique mount of type "msdos"
# is performed, at the random directory
# /Volumes/firmwaresyncd.XXXXXX.
# The uniqueness of the path bloats the cardinality of InfluxDB.
ignore_fs = ["tmpfs", "devtmpfs", "devfs", "iso9660", "overlay", "aufs", "squashfs", "cd9660", "msdos"]
#[[inputs.diskio]] # linux-only
[[inputs.kernel]]
[[inputs.mem]]