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Our Ubuntu server that runs SOLR for our public websites has been brought to a crawl after we had a process hang that runs every night (to update our SOLR index). One of our techs killed the process, and ever since then tomcat6 has been using up all 8 of our CPU cores. We've tried restarting the server multiple times, and deleting unnecessary records, but to no avail. Has anyone had any experience with this? Any suggestions?

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migrated from stackoverflow.com Jul 24 '12 at 2:34

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Could this be due to the leap second problem? –  Ansari Jul 17 '12 at 21:42
    
I doubt it. This started happening this morning at around 10:30AM EST. We've since deleted the index and reindexed from scratch, but want to avoid this problem happening again in the future. –  user1532973 Jul 17 '12 at 21:46
    
Can you clarify if you've stopped the java process successfully and new processes are starting up at 100% CPU, or if the same process is still running? –  Shane Madden Jul 24 '12 at 2:36

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