[jira] [Updated] (SOLR-15477) Logging Performance

["Kevin Risden (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-15477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Risden updated SOLR-15477:
--------------------------------
    Status: Patch Available  (was: Open)

> Logging Performance
> -------------------
>
>                 Key: SOLR-15477
>                 URL: https://issues.apache.org/jira/browse/SOLR-15477
>             Project: Solr
>          Issue Type: Sub-task
>            Reporter: Mark Robert Miller
>            Priority: Major
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> Once you remove almost all performance issues and unnecessary garbage generation, logging starts to sit at the top of method and gc perf profiling (well, xml config still competes on gc - you can improve that 90% and it's still fights to be king of the hill) during test runs. This is the case even with fairly reduced logging and configuration optimizations.
> At that point, exception logging is the big killer (no garbage free option), so in a mostly clean running system this will likely be less the case.
> There are a variety of configuration options that can boost the logging impact. Fairly critical to it all is telling log4j2 that no, Solr is not a webapp, please dont punish.
>  



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