Add MOBY_DISABLE_PIGZ to dockerd environment variable docs

This reflects a Moby change to add documentation around
disabling a new feature -- to use pgzip to decompress
layers, rather than the built-in go gzip.

Signed-off-by: Sargun Dhillon <sargun@sargun.me>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sargun Dhillon 2018-01-12 09:32:45 -08:00 committed by Sebastiaan van Stijn
parent ad301e7410
commit e1148e2c70
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@ -130,6 +130,8 @@ by the `dockerd` command line:
unsuitable for Docker.
* `DOCKER_RAMDISK` If set this will disable 'pivot_root'.
* `DOCKER_TMPDIR` Location for temporary Docker files.
* `MOBY_DISABLE_PIGZ` Do not use [`unpigz`](https://linux.die.net/man/1/pigz) to
decompress layers in parallel when pulling images, even if it is installed.
## Examples