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https://issues.apache.org/jira/browse/SOLR-7110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14498004#comment-14498004
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Yonik Seeley commented on SOLR-7110:
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bq. Do you mean to say the numbers are vastly different if you run in different
JVMs ?
Nope. I'm just saying that running different variants of something in the same
JVM throws mud in the water, and the results *could* be different.
- first variant run has to pay hotspot cost to optimize, things tend to get
faster the longer they run (up to a limit of course)
- hotspot will often specialize for the first variant run, and that can
penalize later variants
- GC costs will leak from one variant to another variants
> Optimize JavaBinCodec to minimize string Object creation
> --------------------------------------------------------
>
> Key: SOLR-7110
> URL: https://issues.apache.org/jira/browse/SOLR-7110
> Project: Solr
> Issue Type: Improvement
> Reporter: Noble Paul
> Assignee: Noble Paul
> Priority: Minor
> Fix For: Trunk, 5.2
>
> Attachments: JavabinPerf.patch, SOLR-7110.patch, SOLR-7110.patch,
> SOLR-7110.patch
>
>
> In JavabinCodec we already optimize on strings creation , if they are
> repeated in the same payload. if we use a cache it is possible to avoid
> string creation across objects as well.
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