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Re: infinite loop of RS_ZK_REGION_SPLIT on .94.2 - HBase - [mail # dev]
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...Forgot to answer Ted's question - I don't remember exactly what we did to the cluster. I don't think there were any regionserver crashes, but there were probably controlled restarts, n...
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Author: Matt Corgan,
2012-11-05, 01:20
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Re: infinite loop of RS_ZK_REGION_SPLIT on .94.2 - HBase - [mail # dev]
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...I've had a few successful splits today without any errors. I'll turn up the importer speed tomorrow to start stressing the cluster more. On Sun, Nov 4, 2012 at 2:07 PM, Ted Yu &...
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Author: Matt Corgan,
2012-11-05, 01:16
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Re: infinite loop of RS_ZK_REGION_SPLIT on .94.2 - HBase - [mail # dev]
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...Strangely, I don't see any record of that region in the master before what I already pasted even though I have logs back to 10/30. Next time it happens I'll gather a full log record an...
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Author: Matt Corgan,
2012-11-04, 02:27
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Re: infinite loop of RS_ZK_REGION_SPLIT on .94.2 - HBase - [mail # user]
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...I think the cluster is ok without running hbck, as restarting the regionserver process stops the warnings and everything looks ok otherwise. here's the regionserver right after the spl...
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Author: Matt Corgan,
2012-11-04, 00:27
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Re: infinite loop of RS_ZK_REGION_SPLIT on .94.2 - HBase - [mail # user]
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...Here's a sample of the master's logs from yesterday. It's not correlated exactly with the other pastebin log, but there's 3GB of this from yesterday: http://pastebin.com/wP2rNN1t ...
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Author: Matt Corgan,
2012-11-03, 21:29
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infinite loop of RS_ZK_REGION_SPLIT on .94.2 - HBase - [mail # user]
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...We upgraded from .94.0 to .94.2 last week and have started to encounter infinite loops of region-transition on splits. I'm not sure yet if it's all splits nor if it's related to load. ...
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Author: Matt Corgan,
2012-11-03, 20:54
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Re: more regionservers does not improve performance - HBase - [mail # user]
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...You can change table settings in the shell. To start the shell: HBASE_HOME/bin/hbase shell To see some examples for the "alter" command, just type it without any arguments....
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Author: Matt Corgan,
2012-10-15, 17:23
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Re: more regionservers does not improve performance - HBase - [mail # user]
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...It could be network bound, especially if you have decently size values (~500B+). HBase can be rough on the network because each value travels from client to regionserver, and then make...
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Author: Matt Corgan,
2012-10-15, 00:48
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Re: more regionservers does not improve performance - HBase - [mail # user]
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...Did you try setting put.setWriteToWAL(false) as Bryan suggested? This may not be what you want in the end, but seeing what happens may help debug. Matt On Sat, Oct 13, 2012...
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Author: Matt Corgan,
2012-10-14, 05:37
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Re: KeyValueScanner - HBase - [mail # dev]
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...Thanks Lars - i guess i had it backwards. On Wed, Sep 12, 2012 at 10:38 PM, lars hofhansl wrote: ...
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Author: Matt Corgan,
2012-09-13, 05:53
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