6941923: RFE: Handling large log files produced by long running Java Applications
Daniel D. Daugherty
daniel.daugherty at oracle.com
Mon Sep 12 06:37:37 PDT 2011
Just an administrative FYI. Bug ID 6941923 has already been
used to push a fix to the HotSpot repo:
so it cannot be used again in the HotSpot repo. If this work
is going to move forward, then a new bug ID will be needed.
On 9/11/11 7:18 PM, Yasumasa Suenaga wrote:
> I'm using "logrotate" tool on RHEL for various log rotation.
> Now, HotSpot has gclog rotation function for log size base.
> However, I need to rotate gc log synchronizing with logrotate tool.
> So, I've made a patch for executing gclog rotation from external tool.
> * Changes in HotSpot (hotspot.patch):
> * gclog rotation request is received via AttachListener.
> * logrotation function ( rotatingFileStream::rotate_log() ) has
> 1 parameter. It's determined that gclog rotation is forced or not.
> * HotSpot allows "GCLogFileSize == 0" . Because we can rotate gclog
> via external tool.
> * Changes in JDK (jdk.patch):
> * gclog rotation is invoked via "jinfo" command with "-rotategclog"
> * With "-rotategclog -force" option, gclog is rotated mandatorily.
> * "jinfo" is executed "rotategclog" command in AttachListener on
> target JVM.
> I've attached these patch in this email. Please check it.
> I would like to contribute this patch, and I hope to apply this patch to
> JDK 6 / 7 / 8.
> Please cooperate.
> Best regards,
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