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Re: MemStoreFlusher: region has too many store files (client timeout) - HBase - [mail # user]
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...Kzurek, Just because you turn off time based major compactions, it does not mean that you have turned major compaction off. Compaction can still be promoted to be Majors. A...
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Author: Kevin O'dell,
2013-02-04, 14:46
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Re: HRegionInfo was null or empty in Meta errors - HBase - [mail # user]
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...I am going to disagree with ignoring the error. You will encounter failures when doing other operations such as import/exports. The first thing I would do is like JM said, lets f...
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Author: Kevin O'dell,
2013-01-31, 14:23
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Re: Max storefile size in CDH3u4 - HBase - [mail # user]
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...Lsshiu, That is quite high. Also, you are right on the cusp of the recommended region size for HBase .90. If you can make the upgrade I would recommend upgrading to ...
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Author: Kevin O'dell,
2013-01-29, 00:24
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Re: Max storefile size in CDH3u4 - HBase - [mail # user]
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...What are you currently using? Also, what is your current region per node count? On Jan 28, 2013 6:50 PM, "Lashing" wrote: ...
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Author: Kevin O'dell,
2013-01-28, 23:51
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Re: What's the maximum number of regions per region server? - HBase - [mail # user]
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...Hi James, How did the nodes crash? I am asking because it would be good to know where it hurts. As to your 6500 regions per region server, that is an order of magnit...
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Author: Kevin O'dell,
2013-01-28, 16:30
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Re: HBase vs Hadoop memory configuration. - HBase - [mail # user]
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...JM, You would control those through the hadoop-env.sh using JOBTRACKER_OPTS, TASKTRACKER_OPTS and then setting xmx for the desired heap. On Sun, Jan 27, 2013 at 11:33 AM, ...
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Author: Kevin O'dell,
2013-01-28, 14:45
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Re: HBase vs Hadoop memory configuration. - HBase - [mail # user]
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...JM, That is probably correct. You can check the NN UI and confirm that number, but it doesn't seem too far off for an HBase cluster. You will be fine with just 1GB o...
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Author: Kevin O'dell,
2013-01-27, 16:16
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Re: HBase vs Hadoop memory configuration. - HBase - [mail # user]
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...Hey JM, I suspect they are referring to the DN process only. It is important in these discussion to talk about individual component memory usage. In my experience mo...
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Author: Kevin O'dell,
2013-01-27, 15:03
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Re: drop table problem - HBase - [mail # user]
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...Sorry I should have specified those are different options to try, not an ordered set of instructions. On Thu, Jan 24, 2013 at 8:47 AM, Kevin O'dell wrote: Kevin O'Dell Cu...
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Author: Kevin O'dell,
2013-01-24, 13:47
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Re: drop table problem - HBase - [mail # user]
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...Typically, hbck won't detect anything wrong here, as Ram said in another thread we really should work in this functionality. 1.) Shut the HBase cluster - go to ZKcli and rmr /hbase - S...
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Author: Kevin O'dell,
2013-01-24, 13:47
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