parthchandra commented on issue #7344: URL: https://github.com/apache/datafusion-comet/issues/7344#issuecomment-6534720556
> 3\. What jemalloc does not cover. The JVM, Arrow Java and Spark's own off-heap allocate through glibc in the same process. In [Investigate adopting DataFusion's allocator-level memory accounting to replace manual memory tuning #4576](https://github.com/apache/datafusion-comet/issues/4576) about 1 GB of an executor's RSS was outside jemalloc, so a jemalloc build narrows the problem but does not remove the need for headroom. I seem to recall someone did an investigation into pointing the jvm to use jemalloc? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
