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Posted to issues@geode.apache.org by "Bill Burcham (Jira)" <ji...@apache.org> on 2019/12/04 19:49:00 UTC

[jira] [Assigned] (GEODE-7435) Improve performance of GMSMembershipManager.handleOrDeferMessage

     [ https://issues.apache.org/jira/browse/GEODE-7435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bill Burcham reassigned GEODE-7435:
-----------------------------------

    Assignee: Bill Burcham  (was: Bruce J Schuchardt)

> Improve performance of GMSMembershipManager.handleOrDeferMessage 
> -----------------------------------------------------------------
>
>                 Key: GEODE-7435
>                 URL: https://issues.apache.org/jira/browse/GEODE-7435
>             Project: Geode
>          Issue Type: Improvement
>          Components: benchmarks, membership
>            Reporter: Jacob Barrett
>            Assignee: Bill Burcham
>            Priority: Major
>              Labels: performance
>             Fix For: 1.12.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> GMSMembershipManager.handleOrDeferMessage  serializes all threads on a lock to {{startupLock}}.
> Find lock free mechanism to synchronize these threads only when we are int "startup" phase. After this phase there should be no reason to synchronize and serialize calls.
> Bechmark profiling shows 60% of thread time is spent waiting for this monitor after correcting  GEODE-7434.



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