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https://issues.apache.org/jira/browse/RATIS-317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621154#comment-16621154
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Josh Elser commented on RATIS-317:
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{quote}The question is why we should store anything in the state machine as
well as why we need to have special messages. Which kind of enhancement do we
expect in the future?
{quote}
State kept inside StateMachine could be related to metadata about the edits in
the Raft log e.g. a Map<Region/Table,Long> counting the number of edits per
Table or per Region, the number of edits in the WAL, or maybe the range of
timestamps on the edits contained within.
I think we definitely have use-cases from HBase which we could use to leverage
this the ability to store some arbitrary data with the Log.
> Log service state machine
> -------------------------
>
> Key: RATIS-317
> URL: https://issues.apache.org/jira/browse/RATIS-317
> Project: Ratis
> Issue Type: Sub-task
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Priority: Major
> Attachments: RATIS-317-v1.patch, RATIS-317-v2.patch,
> RATIS-317-v3.patch
>
>
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