[infinispan-issues] [JBoss JIRA] (ISPN-6580) Hotrod performance regressions after ISPN-5342 ISPN-6545

[Jakub Markos (JIRA)]

Jakub Markos created ISPN-6580:
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             Summary: Hotrod performance regressions after ISPN-5342 ISPN-6545
                 Key: ISPN-6580
                 URL: https://issues.jboss.org/browse/ISPN-6580
             Project: Infinispan
          Issue Type: Bug
          Components: Remote Protocols, Server
            Reporter: Jakub Markos
         Attachments: jfr_recordings.zip, pom.xml, Reproducer.java

There were 2 recent regressions in hotrod performance, one between commits dd5501c5e and 628819461 and the second one between 628819461 and db0890270. I didn't look for the exact commits, so the name of the issue might not be 100% exact...
It is easily reproducable locally with a single server instance, reproducer attached.

The numbers on my machine:

||Build commit||Puts time||Gets time||
|dd5501c5e|21|74|
|628819461|26|102|
|db0890270|48|224|

The JFR recordings (attached, captured is only the part of the test with gets) for db0890270 show a lot of time is spent in HotRodDecoder#resetNow(), and also the allocation rate goes from 100MB/s for dd5501c5e to over 1GB/s for db0890270. There are no glaring differences between dd5501c5e and 628819461.



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