Thanks Viktor, - check (cassandra-env.sh) -Xss size, you may need to increase it for your JVM;
This seems to have done the trick ! Thanks ! On Tue, Sep 10, 2013 at 12:46 AM, Viktor Jevdokimov < viktor.jevdoki...@adform.com> wrote: > For start:**** > > - check (cassandra-env.sh) -Xss size, you may need to increase it for your > JVM;**** > > - check (cassandra-env.sh) -Xms and -Xmx size, you may need to increase it > for your data load/bloom filter/index sizes.**** > > ** ** > > ** ** > > ** ** > Best regards / Pagarbiai > *Viktor Jevdokimov* > Senior Developer > > [image: Adform News] <http://www.adform.com> > > *Visit us at Dmexco: *Hall 6 Stand B-52 > September 18-19 Cologne, Germany > Email: viktor.jevdoki...@adform.com > Phone: +370 5 212 3063, Fax +370 5 261 0453 > J. Jasinskio 16C, LT-03163 Vilnius, Lithuania > Follow us on Twitter: @adforminsider <http://twitter.com/#!/adforminsider> > Take a ride with Adform's Rich Media Suite<http://vimeo.com/adform/richmedia> > [image: Dmexco 2013] <http://www.dmexco.de/> > > Disclaimer: The information contained in this message and attachments is > intended solely for the attention and use of the named addressee and may be > confidential. If you are not the intended recipient, you are reminded that > the information remains the property of the sender. You must not use, > disclose, distribute, copy, print or rely on this e-mail. If you have > received this message in error, please contact the sender immediately and > irrevocably delete this message and any copies. > > *From:* srmore [mailto:comom...@gmail.com] > *Sent:* Tuesday, September 10, 2013 6:16 AM > *To:* user@cassandra.apache.org > *Subject:* Error during startup - java.lang.OutOfMemoryError: unable to > create new native thread [heur]**** > > ** ** > > > I have a 5 node cluster with a load of around 300GB each. A node went down > and does not come up. I can see the following exception in the logs. > > ERROR [main] 2013-09-09 21:50:56,117 AbstractCassandraDaemon.java (line > 139) Fatal exception in thread Thread[main,5,main] > java.lang.OutOfMemoryError: unable to create new native thread > at java.lang.Thread.start0(Native Method) > at java.lang.Thread.start(Thread.java:640) > at > java.util.concurrent.ThreadPoolExecutor.addIfUnderCorePoolSize(ThreadPoolExecutor.java:703) > at > java.util.concurrent.ThreadPoolExecutor.prestartAllCoreThreads(ThreadPoolExecutor.java:1392) > at > org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor.<init>(JMXEnabledThreadPoolExecutor.java:77) > at > org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor.<init>(JMXEnabledThreadPoolExecutor.java:65) > at > org.apache.cassandra.concurrent.JMXConfigurableThreadPoolExecutor.<init>(JMXConfigurableThreadPoolExecutor.java:34) > at > org.apache.cassandra.concurrent.StageManager.multiThreadedConfigurableStage(StageManager.java:68) > at > org.apache.cassandra.concurrent.StageManager.<clinit>(StageManager.java:42) > at > org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:344) > at > org.apache.cassandra.db.commitlog.CommitLog.recover(CommitLog.java:173)*** > * > > ** ** > > The *ulimit -u* output is > *515042***** > > Which is far more than what is recommended [1] (10240) and I am skeptical > to set it to unlimited as recommended here [2]**** > > Any pointers as to what could be the issue and how to get the node up.**** > > > > > [1] > http://www.datastax.com/documentation/cassandra/1.2/webhelp/index.html?pagename=docs&version=1.2&file=install/recommended_settings#cassandra/install/installRecommendSettings.html > > [2] > http://mail-archives.apache.org/mod_mbox/cassandra-user/201303.mbox/%3CCAPqEvGE474Omea1BFLJ6U_pbAkOwWxk=dwo35_pc-atwb4_...@mail.gmail.com%3E > **** > > Thanks !**** >
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