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Re: Odd WARN in hbase 0.94.2 - HBase - [mail # user]
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...Yep we do have that property set to that value. The file does not seem to exist when I try ls'ing it myself. I'm not sure where it comes from or how it should be created. ...
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Author: Bryan Beaudreault,
2013-03-05, 22:17
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Odd WARN in hbase 0.94.2 - HBase - [mail # user]
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...We are running hbase 0.94.2, cdh4.2 edition. We have the local read shortcut enabled. Since updating to this version I've seen a bunch of WARN messages corresponding to exception...
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Author: Bryan Beaudreault,
2013-03-05, 21:28
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Re: 0.94.2 failing regionservers - HBase - [mail # user]
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...Interesting, thanks for pointing that out JD. I'm running major compactions now on the clusters to try to get everything over to V2. On Mon, Mar 4, 2013 at 12:41 PM, Jean-Daniel...
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Author: Bryan Beaudreault,
2013-03-04, 17:53
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Re: 0.94.2 failing regionservers - HBase - [mail # user]
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...We upgraded from CDH3 which is HBase 0.90. Looking around we do have some v2 format HFiles, just not entirely there yet. I'll try to get them all converted. On Mon, Mar 4,...
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Author: Bryan Beaudreault,
2013-03-04, 17:26
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Re: 0.94.2 failing regionservers - HBase - [mail # user]
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...Interesting. We upgraded by creating entirely new clusters with the CDH4.2 software installed onto it. Then we distributed copied the /hbase directory to the new clusters. We hav...
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Author: Bryan Beaudreault,
2013-03-04, 17:20
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0.94.2 failing regionservers - HBase - [mail # user]
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...We recently upgraded multiple clusters to CDH 4.2, which comes with hbase 0.94.2 Since then We've seen region servers die periodically in a way I never saw before on CDH3. Here a...
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Author: Bryan Beaudreault,
2013-03-04, 17:00
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Re: Query on JSON Object - HBase - [mail # user]
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...HBase deals in byte arrays, so simply convert your json string to a byte array on save, and convert back on read. Use the Bytes.toBytes(String) and Bytes.toString(byte[]) accordingly. ...
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Author: Bryan Beaudreault,
2013-02-06, 06:15
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Re: remove dead regions server - HBase - [mail # user]
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...There really should be no issue or slowdown involved with restarting the masters. The operation only takes 1-2 seconds and is pretty much transparent to clients. We run hundreds ...
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Author: Bryan Beaudreault,
2013-02-05, 15:38
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Re: remove deadservers - HBase - [mail # user]
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...Assuming you are running with multiple masters it should be perfectly safe to restart one of them. In my experience this does not cause any service interruption. If you aren't running with m...
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Author: Bryan Beaudreault,
2013-02-04, 14:10
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Re: Max storefile size in CDH3u4 - HBase - [mail # user]
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...4GB On Mon, Jan 28, 2013 at 6:49 PM, Lashing wrote: ...
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Author: Bryan Beaudreault,
2013-01-28, 23:51
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