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https://issues.apache.org/jira/browse/GEODE-9169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17401769#comment-17401769
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ASF subversion and git services commented on GEODE-9169:
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Commit ed38145379d3da05ecc79a39fa145030bbd4fb1e in geode's branch
refs/heads/expireAuthentication from Hale Bales
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=ed38145 ]
GEODE-9169: remove netty context switch (#6725)
GEODE-9169: Remove Netty context switch
Instead of submitting commands to a background executor, this removes
that context switch and performs the command right on the netty thread.
Removing the context switch provides a significant performance
improvement.
Signed-off-by: Donal Evans <[email protected]>
> Remove Context Switch Between Netty and Command Queue Thread
> ------------------------------------------------------------
>
> Key: GEODE-9169
> URL: https://issues.apache.org/jira/browse/GEODE-9169
> Project: Geode
> Issue Type: New Feature
> Components: redis
> Reporter: Wayne
> Assignee: Hale Bales
> Priority: Major
> Labels: blocks-1.15.0, performance, pull-request-available,
> redis
> Fix For: 1.15.0
>
>
> On the current develop branch, the Netty thread reads a message and then puts
> it on a queue for another thread to process. Performing the region update
> directly on the Netty thread significantly improved performance.
> The original behavior was there to support pub/sub use cases, where we need
> to push updates to the Netty channel, as well as following Netty best
> practices of not blocking the Netty thread. We need to see how we can make
> this same change on develop to avoid the context switch while still
> supporting pub/sub and not breaking other use cases.
> +Acceptance Criteria+
> The context switch between the Netty and command queue thread has been
> removed for all commands that are not pub/sub related.
> Geode benchmarks perform better after this change for all non-pubsub commands.
>
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