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Re: performance improvment on regionserver.MemStore/updateColumnValue - HBase - [mail # dev]
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...I would compare YCSB between the patched and unpatched version for a more realistic workload than the unit tests provide. -Joey On Wed, Jul 20, 2011 at 10:49 AM, N Keywal w...
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Author: Joey Echeverria,
2011-07-20, 15:02
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Re: Hadoop/HBase Upgrade from 0.20.3 to 0.90.2 - HBase - [mail # user]
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...Hey Andy, This looks like the log from the regions server. Any chance you can post the log for the HMaster? -Joey On Fri, Jul 15, 2011 at 12:43 AM, Zhong, Andy wrote: ...
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Author: Joey Echeverria,
2011-07-19, 16:16
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Re: We should push out a 0.90.4? - HBase - [mail # dev]
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...On Wed, Jul 13, 2011 at 1:54 PM, Stack wrote: +1 Joseph Echeverria Cloudera, Inc. 443.305.9434...
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Author: Joey Echeverria,
2011-07-13, 21:49
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Re: Hbase performance with HDFS - HBase - [mail # user]
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...Do the semantics of sync change? Do you pause one or more outstanding syncs, sync a group of data (4KB maybe) and then return from all of those outstanding syncs simultaneously? -Joey ...
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Author: Joey Echeverria,
2011-07-11, 19:37
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Re: Hbase performance with HDFS - HBase - [mail # user]
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...On Mon, Jul 11, 2011 at 12:47 PM, Ted Dunning wrote Is this done with an HBASE patch? I don't see how this could be done merely at the FS layer. -Joey Joseph Echeverr...
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Author: Joey Echeverria,
2011-07-11, 18:22
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Re: Changing versions from 3 to 1 in production - 0.90.3 - HBase - [mail # user]
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...It will only reduce memory usage if you currently have multiple versions of the same cell. Yes, you should use the shell. You'll need to disable the table first. No activity should ha...
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Author: Joey Echeverria,
2011-07-10, 01:12
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Re: Table coprocessor loaded twice when region is initialized? - HBase - [mail # user]
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...Sounds like a bug. File a JIRA. -Joey On Jun 30, 2011 2:32 PM, "Terry Siu" wrote: coprocessor work being developed. This hook is loaded via a table COPROCESSOR attribute and I've...
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Author: Joey Echeverria,
2011-06-30, 21:52
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Re: performance: HLog flush to disk each thread, can we decrease IO calls? - HBase - [mail # dev]
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...Hey Mingjian, This sounds like a good idea Your patch didn't make it through. Would you m ind either filing a JIRA and uploading your patch there or at least posting i t to somet...
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Author: Joey Echeverria,
2011-06-29, 13:08
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Re: Retry HTable.put() on client-side to handle temp connectivity problem - HBase - [mail # dev]
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...If I could override the default, I'd be a hesitant +1. I'd rather see the default be something like retry 10 times, then throw an error. With one option being infinite retries. -Joey &...
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Author: Joey Echeverria,
2011-06-27, 22:23
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Re: How can I use Scan with mapred version of TableMapReduceUtil? - HBase - [mail # user]
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...I think Stack was asking if you could port MultipleTextOutputFormat to the new API. And the pointers he gave was how to wrap an old API implementation with the new API. -Joey On ...
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Author: Joey Echeverria,
2011-06-27, 21:11
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