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https://issues.apache.org/jira/browse/GEODE-5922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17263022#comment-17263022
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Owen Nichols commented on GEODE-5922:
-------------------------------------
This is tricky to represent the fixed versions, since it was in the product for
over two years before being reverted.
Versions that did contain this original change include 1.8.0, 1.9.x, 1.10.0,
1.11.0, 1.12.0, 1.13.0, and 1.13.1
Version that will no longer have this change include 1.12.1+, 1.13.2+, and 1.14+
> SerialGatewaySenderQueue concurrency is poorly implemented
> ----------------------------------------------------------
>
> Key: GEODE-5922
> URL: https://issues.apache.org/jira/browse/GEODE-5922
> Project: Geode
> Issue Type: Improvement
> Components: wan
> Reporter: Bruce J Schuchardt
> Assignee: Bruce J Schuchardt
> Priority: Major
> Labels: blocks-1.14.0, pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> This class uses synchronization on the queue to limit access to one put at a
> time. Synchronization isn't a fair locking mechanism so threads can be
> blocked trying to add events to the queue while other more recent events get
> the lock and insert their events. This causes inconsistent latency which
> I've observed being as long as 30 seconds, causing client connections to be
> shut down by the ClientHealthMonitor.
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