You are viewing a plain text version of this content. The canonical link for it is here.
Posted to notifications@accumulo.apache.org by "Josh Elser (JIRA)" <ji...@apache.org> on 2015/05/04 18:23:07 UTC
[jira] [Created] (ACCUMULO-3770) Replace GarbageCollectionLogger
with JVM provided GC stats
Josh Elser created ACCUMULO-3770:
------------------------------------
Summary: Replace GarbageCollectionLogger with JVM provided GC stats
Key: ACCUMULO-3770
URL: https://issues.apache.org/jira/browse/ACCUMULO-3770
Project: Accumulo
Issue Type: Improvement
Components: tserver
Reporter: Josh Elser
Priority: Minor
Fix For: 1.8.0
Hotspot provides some JVM opts that can be enabled which will print out status messages for garbage collection:
{{-XX:+PrintGCDetails -XX:+PrintGCTimeStamps -verbose:gc}}
TabletServers have the {{GarbageCollectionLogger}} doing its own inspection of heap usage via {{Runtime}} and also tracking the real interval between calls to itself WRT the expected interval (to try to guess if there are issues getting resources to run code).
As long as openjdk has support for the same options, I think removing the heap inspection would be good. Do we still want to preserve the "timeliness" check though? I'm not sure how valuable it is in real environments.
Thoughts?
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)