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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARTEMIS-1586) Reduce GC pressure due to String allocations on Core protocol
Date Mon, 15 Jan 2018 13:32:00 GMT

    [ https://issues.apache.org/jira/browse/ARTEMIS-1586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16326236#comment-16326236
] 

ASF GitHub Bot commented on ARTEMIS-1586:
-----------------------------------------

Github user franz1981 commented on the issue:

    https://github.com/apache/activemq-artemis/pull/1757
  
    I've provided the unit tests I was mentioning here: https://github.com/franz1981/activemq-artemis/tree/ARTEMIS-1586-FRANZ
(the last commit)
    This PR is a very good shape and I'm closing the other one: I'm running a complete CI
on it but the perf results/memory footprint advantages seems very very good to me: @clebertsuconic
wdyt? 



> Reduce GC pressure due to String allocations on Core protocol
> -------------------------------------------------------------
>
>                 Key: ARTEMIS-1586
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-1586
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>            Reporter: Francesco Nigro
>            Assignee: Francesco Nigro
>            Priority: Major
>
> The core protocol produce a huge amount of StringValue/SimpleString instances during
CoreMessage decoding of SessionSendMessages.
> Often these instances are the same during the lifetime of a client/server connection:
providing efficient interners would help to reduce the GC pressure, increasing the broker
capacity/scalability.



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