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1b37cc1abe
Most notably this fixes the vdev_id(8) non-.Xrs in vdev_id.conf.5 Reviewed-by: Richard Laager <rlaager@wiktel.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #12212
99 lines
3.1 KiB
Groff
99 lines
3.1 KiB
Groff
.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\"
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.\" You can obtain a copy of the license at
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.\" https://opensource.org/licenses/CDDL-1.0
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\"
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.\" When distributing Covered Code, include this CDDL HEADER in each
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.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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.\" If applicable, add the following below this CDDL HEADER, with the
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.\" fields enclosed by brackets "[]" replaced with your own identifying
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\"
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.\" CDDL HEADER END
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.\"
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.\" Copyright 2020 Richard Elling
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.\"
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.Dd May 26, 2021
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.Dt ZPOOL_INFLUXDB 8
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.Os
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.
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.Sh NAME
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.Nm zpool_influxdb
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.Nd collect ZFS pool statistics in InfluxDB line protocol format
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.Sh SYNOPSIS
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.Nm
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.Op Fl e Ns | Ns Fl -execd
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.Op Fl n Ns | Ns Fl -no-histogram
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.Op Fl s Ns | Ns Fl -sum-histogram-buckets
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.Op Fl t Ns | Ns Fl -tags Ar key Ns = Ns Ar value Ns Oo , Ns Ar key Ns = Ns Ar value Oc Ns …
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.Op Ar pool
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.
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.Sh DESCRIPTION
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.Nm
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produces InfluxDB-line-protocol-compatible metrics from zpools.
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Like the
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.Nm zpool
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command,
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.Nm
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reads the current pool status and statistics.
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Unlike the
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.Nm zpool
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command which is intended for humans,
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.Nm
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formats the output in the InfluxDB line protocol.
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The expected use is as a plugin to a
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metrics collector or aggregator, such as Telegraf.
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.Pp
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By default,
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.Nm
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prints pool metrics and status in the InfluxDB line protocol format.
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All pools are printed, similar to the
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.Nm zpool Cm status
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command.
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Providing a pool name restricts the output to the named pool.
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.
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.Sh OPTIONS
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.Bl -tag -width "-e, --execd"
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.It Fl e , -execd
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Run in daemon mode compatible with Telegraf's
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.Nm execd
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plugin.
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In this mode, the pools are sampled every time a
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newline appears on the standard input.
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.It Fl n , -no-histogram
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Do not print latency and I/O size histograms.
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This can reduce the total
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amount of data, but one should consider the value brought by the insights
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that latency and I/O size distributions provide.
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The resulting values
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are suitable for graphing with Grafana's heatmap plugin.
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.It Fl s , -sum-histogram-buckets
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Accumulates bucket values.
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By default, the values are not accumulated and the raw data appears as shown by
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.Nm zpool Cm iostat .
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This works well for Grafana's heatmap plugin.
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Summing the buckets produces output similar to Prometheus histograms.
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.It Fl t , Fl -tags Ar key Ns = Ns Ar value Ns Oo , Ns Ar key Ns = Ns Ar value Oc Ns …
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Adds specified tags to the tag set.
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No sanity checking is performed.
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See the InfluxDB Line Protocol format documentation for details on escaping
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special characters used in tags.
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.It Fl h , -help
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Print a usage summary.
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.El
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.
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.Sh SEE ALSO
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.Xr zpool-iostat 8 ,
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.Xr zpool-status 8 ,
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.Lk https://github.com/influxdata/influxdb "InfluxDB" ,
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.Lk https://github.com/influxdata/telegraf "Telegraf" ,
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.Lk https://grafana.com "Grafana" ,
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.Lk https://prometheus.io "Prometheus"
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