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stats: add a interval parameter to cli and api stream mode

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podman stats polled by default in a 1 sec period.
This can put quite some load on a machine if you run many containers.

The default value is now 5 seconds.
You can change this interval with a new, optional, --interval, -i cli flag.
The api request got also a interval query parameter for the same purpose.

Additionally a unused const was removed.
Api and cli will fail the request if a 0 or negative value is passed in.

Signed-off-by: Thomas Weber <towe75@googlemail.com>
This commit is contained in:
Thomas Weber
2021-07-21 07:42:39 +02:00
parent 389c9b8dca
commit cdbbd79155
9 changed files with 47 additions and 10 deletions
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docs/source/markdown/podman-stats.1.md
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@ -37,6 +37,10 @@ Do not clear the terminal/screen in between reporting intervals
Disable streaming stats and only pull the first result, default setting is false
#### **--interval**=*seconds*, **-i**=*seconds*
Time in seconds between stats reports, defaults to 5 seconds.
#### **--format**=*template*
Pretty-print container statistics to JSON or using a Go template