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https://issues.apache.org/jira/browse/HBASE-24718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Viraj Jasani resolved HBASE-24718.
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Resolution: Fixed
> Generic NamedQueue framework for recent in-memory history (refactor slowlog)
> ----------------------------------------------------------------------------
>
> Key: HBASE-24718
> URL: https://issues.apache.org/jira/browse/HBASE-24718
> Project: HBase
> Issue Type: Sub-task
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.4.0
>
> Attachments: Screen Shot 2020-07-20 at 2.50.34 PM.png
>
>
> As per the discussion on parent jira, we should come up with named queue
> (online ring buffer) to serve recent history for multiple use-cases like
> slowlog, balancer decision, other region activities e.g flush, compaction,
> split, merge etc.
> Since we already have slow/large rpc logs in ring buffer (HBASE-22978), as
> part of this Jira, the proposal is to refactor slowlog provider to get
> generic payload for ring buffer and based on event type (slow_log is the only
> one for now), we can have separate internal in-memory queues.
> After this refactor, it should be relatively simpler to use the same
> framework and create more cases like parent Jira (balancer decision in ring
> buffer).
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