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Re: Question about Master Master replication - HBase - [mail # user]
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...No - I did not try it on a real cluster with master-master replication. I did try it with the unit test and the documented configuration worked without any parse errors. Also the source code...
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Author: Suraj Varma,
2012-11-21, 07:43
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Re: Question about Master Master replication - HBase - [mail # user]
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...Per "The Peers znode" section of http://hbase.apache.org/replication.html, the cluster key is of the format " “zk1.host.com,zk2.host.com,zk3.host.com:2181:/hbase". So, that's the value you w...
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Author: Suraj Varma,
2012-11-20, 17:17
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Re: how to work Htable connection - HBase - [mail # user]
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...For your first question, see Section 9.3.1 on http://hbase.apache.org/book.html which says "When creating HTable instances, it is advisable to use the same HBaseConfiguration instance. This ...
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Author: Suraj Varma,
2012-11-06, 00:54
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Re: more regionservers does not improve performance - HBase - [mail # user]
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...I'm intrigued by this statement in your first mail: So ... are you saying that if you shut down four of your region servers and task trackers right now ... you are able to generate mo...
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Author: Suraj Varma,
2012-10-13, 02:49
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Re: more regionservers does not improve performance - HBase - [mail # user]
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...Hi Jonathan: What specific metric on ganglia did you notice for "IO is spiking"? Is it your disk IO? Is your disk swapping? Do you see cpu iowait spikes? I see you have given 8g to the...
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Author: Suraj Varma,
2012-10-13, 02:30
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Re: 答复: [Stand alone - distributed mode] HBase master isn't initializing completely - HBase - [mail # user]
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...Shutdown the cluster and remove all the *.pid files from the configured tmp.dir - especially of the master. Then bring up the cluster again. See if this resolves it. Also - did you che...
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Author: Suraj Varma,
2012-10-12, 07:47
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Re: more regionservers does not improve performance - HBase - [mail # user]
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...What have you configured your hbase.hstore.blockingStoreFiles and hbase.hregion.memstore.block.multiplier? Both of these block updates when the limit is hit. Try increasing these to say 20 a...
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Author: Suraj Varma,
2012-10-12, 07:34
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[HBASE-4565] Maven HBase build broken on cygwin with copynativelib.sh call. - HBase - [issue]
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...This is broken in both 0.92 as well as trunk pom.xmlHere's a sample maven log snippet from trunk (from Mayuresh on user mailing list)[INFO] [antrun:run {execution: package}]&...
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http://issues.apache.org/jira/browse/HBASE-4565
Author: Suraj Varma,
2012-10-05, 03:59
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[HBASE-6364] Powering down the server host holding the .META. table causes HBase Client to take excessively long to recover and connect to reassigned .META. table - HBase - [issue]
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...When a server host with a Region Server holding the .META. table is powered down on a live cluster, while the HBase cluster itself detects and reassigns the .META. table, connected HBase Cli...
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http://issues.apache.org/jira/browse/HBASE-6364
Author: Suraj Varma,
2012-09-14, 09:30
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Re: Query a version of a column efficiently - HBase - [mail # user]
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...You may need to setup your Eclipse workspace and search using references etc.To get started, this is one class that uses TimeRange based matching ... org.apache.hadoop.hbase.regionserver.Sca...
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Author: Suraj Varma,
2012-07-30, 16:53
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