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Add cgroups freezer info 

Docker-DCO-1.1-Signed-off-by: Brian Goff <cpuguy83@gmail.com> (github: cpuguy83)

Docker-DCO-1.1-Signed-off-by: Brian Goff <cpuguy83@gmail.com> (github: SvenDowideit)
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Brian Goff 2014-07-08 21:47:55 -04:00 committed by Tibor Vass
parent c0199886cd
commit ed82ad88da
1 changed files with 9 additions and 2 deletions
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11
docs/sources/reference/commandline/cli.md
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@ -764,7 +764,14 @@ log entry.
Usage: docker pause CONTAINER
Pause all processes within a container
Pause uses the cgroups freezer to suspend all processes in a container.
Traditionally when suspending a process the SIGSTOP signal is used,
which is observable by the process being suspended. With the cgroups freezer
the process is unaware, and unable to capture, that it is being suspended,
and subsequently resumed.
For for information on the cgroups freezer see:
https://www.kernel.org/doc/Documentation/cgroups/freezer-subsystem.txt
## ps
@ -1273,7 +1280,7 @@ them to [*Share Images via Repositories*](
Usage: docker unpause CONTAINER
Pause all processes within a container
Resumes a paused container.
## version