Github user yhuai commented on a diff in the pull request: https://github.com/apache/spark/pull/14732#discussion_r75722532 --- Diff: docs/tuning.md --- @@ -122,21 +122,8 @@ large records. `R` is the storage space within `M` where cached blocks immune to being evicted by execution. The value of `spark.memory.fraction` should be set in order to fit this amount of heap space -comfortably within the JVM's old or "tenured" generation. Otherwise, when much of this space is -used for caching and execution, the tenured generation will be full, which causes the JVM to -significantly increase time spent in garbage collection. See -<a href="https://docs.oracle.com/javase/8/docs/technotes/guides/vm/gctuning/sizing.html">Java GC sizing documentation</a> -for more information. --- End diff -- Should we keep the link to this reference in the `Advanced GC Tuning`?
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org