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RE: Region Server hung during shutdown after StackOverflow error - HBase - [mail # user]
...Thanks Ted. I should have seen that. I finally had to 'kill -9' the rs, as I couldnt get it to shut down any other way.It seems like, the Region Server shouldnt have kept telling ZooKeeper t...
2 emails [+ more]    Author: Buckley,Ron, 2014-05-30, 16:39
RE: HBase Region Server Spinning on JMX requests - HBase - [mail # user]
...I created https://issues.apache.org/jira/browse/HBASE-8416  We're not using OpenTSDB, but we do have something similar grabbing the jmx data on a regular basis.  Eventually, we mov...
2 emails [+ more]    Author: Buckley,Ron, 2013-04-24, 11:37
RE: Region server Memory Use is double the -Xmx setting - HBase - [mail # user]
...Anoop,  We use Snappy compression for all our tables.  I tried '-XX:MaxDirectMemorySize=1g' on our test cluster last night.   Ran great until major compactions started, then a...
3 emails [+ more]    Author: Buckley,Ron, 2013-01-25, 02:11
Extremely long flush times - HBase - [mail # user]
...We ran into this situation today on our production instance, I'm wondering if anyone has seen or knows a way around it.     We were repeatedly updating the same 60,000 column wide ...
   Author: Buckley,Ron, 2012-08-06, 21:37
RE: Powered By Page - HBase - [mail # user]
...Stack/Lars,   Here's an entry for OCLC:  OCLC (www.worldcat.org) uses HBase as the main data store for WorldCat, a union catalog which aggregates the collections of 72,000 librarie...
   Author: Buckley,Ron, 2012-07-03, 11:29
RE: Heavy Writes Block Reads to RegionServer - HBase - [mail # user]
...Bryan,  We ran into that same condition here last week doing pretty much the same thing. Maybe you're hitting it too.  We found that the region server wasn't blocked all the time, ...
   Author: Buckley,Ron, 2012-05-16, 00:02
RE: 0.92 and Read/writes not scaling - HBase - [mail # user]
...Stack,  We're about 80% random read and 20% random write. So, that would have  been the mix that we were running.  We'll try a test with Nagel On and then Nagel off, random wr...
2 emails [+ more]    Author: Buckley,Ron, 2012-03-28, 17:56
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