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From "Amit Patel (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18542) [HLC] Performance microbenchmarks
Date Wed, 23 Aug 2017 21:54:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amit Patel updated HBASE-18542:
-------------------------------
    Status: Patch Available  (was: In Progress)

> [HLC] Performance microbenchmarks
> ---------------------------------
>
>                 Key: HBASE-18542
>                 URL: https://issues.apache.org/jira/browse/HBASE-18542
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Appy
>            Assignee: Amit Patel
>         Attachments: HBASE-18542.HBASE-14070.HLC.001.patch
>
>
> Need tests to benchmark performance of Clock#now() and update() functions (for all types
of clocks).
> If update() is too costly, we can do optimizations in ExecuteProceduresRemoteCall#call(),
HRegion#replayRecoveredEdits() and other places where we call update() in loop. Instead, it
might be faster to calculate max timestamp in loop and call update() just once.



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