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Aaron Lehmann 49b6be893c cli: Add options for Raft snapshotting 
Add the following options to "swarm init" and "swarm update":

- --max-snapshots: Retain this many old Raft snapshots in addition
  to the latest one

- --snapshot-interval: Number of log entries between Raft snapshots

These options already existed in SwarmKit and the Docker API but were
never exposed in the CLI. I'm adding them here to fix this oversight.

--max-snapshots may be useful for debugging purposes and more
conservative users who want to store rolling backups of old versions of
the Raft state.

--snapshot-interval is most useful for performance tuning. The default
value of 10000 may not be ideal for some setups.

There is also a LogEntriesForSlowFollowers option that is not exposed. I
decided not to expose it along with these others because I don't think
it's generally useful (and I'm not sure what I would call the CLI flag).
But if people want, I can expose it for the sake of completeness.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
 		2017-06-02 00:10:34 +00:00
..
extend fix frontmatter keywords value type (string, instead of []string) 2017-06-02 00:10:31 +00:00
reference cli: Add options for Raft snapshotting 2017-06-02 00:10:34 +00:00
README.md Sync docker/docker refs with files mistakenly edited in docker.github.io repo 2017-06-02 00:10:26 +00:00
deprecated.md fix frontmatter keywords value type (string, instead of []string) 2017-06-02 00:10:31 +00:00

README.md

The non-reference docs have been moved!

The documentation for Docker Engine has been merged into the general documentation repo.

See the README for instructions on contributing to and building the documentation.

If you'd like to edit the current published version of the Engine docs, do it in the master branch here: https://github.com/docker/docker.github.io/tree/master/engine

If you need to document the functionality of an upcoming Engine release, use the vnext-engine branch: https://github.com/docker/docker.github.io/tree/vnext-engine/engine

The reference docs have been left in docker/docker (this repo), which remains the place to edit them.

The docs in the general repo are open-source and we appreciate your feedback and pull requests!