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From Ted Dunning <tdunn...@maprtech.com>
Subject Re: mslab enabled jvm crash
Date Mon, 23 May 2011 14:33:05 GMT
Do you have the same problem with a more recent JVM?

On Mon, May 23, 2011 at 4:52 AM, Wayne <wav100@gmail.com> wrote:

> I have switched to using the mslab enabled java setting to try to avoid GC
> causing nodes to go awol but it almost appears to be worse. Below is the
> latest problem with the JVM apparently actually crashing. I am using 0.90.1
> with an 8GB heap. Is there a recommended JVM and recommended settings to be
> used? As it stands right now we can not run 24 hours under heavy write load
> without a node being taken out by zookeeper for GCing > 60 sec or other
> problems like below.
>
> Any help would be greatly appreciated.
>
>
> 2011-05-23T02:34:51.626+0000: 13902.361: [GC 13902.361: [ParNew:
> 249216K->27648K(249216K), 0.1119520 secs] 7546544K->7433319K(8360960K),
> 0.1120390 secs] [Times: user=1.14 sys=0.05, real=0.11 secs]
> 2011-05-23T02:34:52.292+0000: 13903.027: [GC 13903.027: [ParNew:
> 249216K->27648K(249216K), 0.0732800 secs] 7654887K->7506032K(8360960K),
> 0.0733690 secs] [Times: user=0.76 sys=0.02, real=0.08 secs]
> 2011-05-23T02:34:52.721+0000: 13903.456: [CMS-concurrent-mark: 8.137/10.065
> secs] [Times: user=60.86 sys=2.98, real=10.06 secs]
> 2011-05-23T02:34:52.721+0000: 13903.456: [CMS-concurrent-preclean-start]
> 2011-05-23T02:34:52.839+0000: 13903.574: [GC 13903.574: [ParNew:
> 249216K->27648K(249216K), 0.0575510 secs] 7727600K->7562758K(8360960K),
> 0.0576420 secs] [Times: user=0.62 sys=0.02, real=0.06 secs]
> 2011-05-23T02:34:53.190+0000: 13903.925: [GC 13903.925: [ParNew:
> 249171K->27648K(249216K), 0.1108480 secs] 7784281K->7661505K(8360960K),
> 0.1109440 secs] [Times: user=1.10 sys=0.03, real=0.11 secs]
> 2011-05-23T02:34:53.539+0000: 13904.274: [GC 13904.274: [ParNew (promotion
> failed): 249216K->249216K(249216K), 0.1207770 secs]13904.395:
> [CMS2011-05-23T02:34:54.310+0000: 13905.045: [CMS-concurrent-preclean:
> 1.245/1.589 secs] [Times: user=5.99 sys=0.13, real=1.59 secs]
>  (concurrent mode failure)#
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGSEGV (0xb) at pc=0x00002b19debbe665, pid=25868, tid=1078290752
> #
> # JRE version: 6.0_17-b17
> # Java VM: OpenJDK 64-Bit Server VM (14.0-b16 mixed mode linux-amd64 )
> # Derivative: IcedTea6 1.7.10
> # Distribution: Custom build (Wed May  4 23:17:24 EDT 2011)
> # Problematic frame:
> # V  [libjvm.so+0x29d665]
> #
> # An error report file with more information is saved as:
> # .../hbase-0.90.1/hs_err_pid25868.log
> #
> # If you would like to submit a bug report, please include
> # instructions how to reproduce the bug and visit:
> #   http://icedtea.classpath.org/bugzilla
>

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