[jira] [Updated] (HBASE-25808) [branch-1] Backport improvements to FSHLog from branch-2

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-25808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell updated HBASE-25808:
----------------------------------------
    Status: Patch Available  (was: Open)

> [branch-1] Backport improvements to FSHLog from branch-2
> --------------------------------------------------------
>
>                 Key: HBASE-25808
>                 URL: https://issues.apache.org/jira/browse/HBASE-25808
>             Project: HBase
>          Issue Type: New Feature
>          Components: regionserver, wal
>    Affects Versions: 1.6.0
>            Reporter: Andrew Kyle Purtell
>            Assignee: Andrew Kyle Purtell
>            Priority: Major
>             Fix For: 1.7.0
>
>
> From c96b642f15d (HBASE-15265 Implement an asynchronous FSHLog)
>     - Better formatting; use { } instead of dangling ifs, elses, etc. in RingBufferEventHandler.
>     
>     From b1269ec57ff (HBASE-19811 Fix findbugs and error-prone warnings in hbase-server (branch-2))
>     - Change syncFuturesCount in RingBufferEventHandler from 'volatile int' to AtomicInteger.
>       'volatile' is insufficient for multithreaded access.
>     
>     From afc1746757f (HBASE-24034 [Flakey Tests] A couple of fixes and cleanups)
>     - Make a local copy of takeSyncFuture after we get it in SyncRunner#run.
>       This looks like a workaround for a JIT/compiler bug in some Java versions. (SCARY)



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