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Re: writing and reading from a region at once - HBase - [mail # user]
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...Inline. J-D On Thu, Apr 25, 2013 at 1:09 PM, Aaron Zimmerman wrote: There's MVCC, so reads can happen while someone else is writing. What you should expect from HBa...
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Author: Jean-Daniel Cryans,
2013-04-25, 21:34
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Re: [VOTE] The 2nd hbase 0.94.7 release candidate is available for download - HBase - [mail # dev]
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...I ran a PE seq write + scan on my machine, works good. +1 J-D On Wed, Apr 24, 2013 at 6:22 PM, lars hofhansl wrote: ...
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Author: Jean-Daniel Cryans,
2013-04-25, 19:56
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Re: HBase - prioritizing writes over reads? - HBase - [mail # user]
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...Short answer is no, there's no knob or configuration to do that. Longer answer is it depends. Are the reads and writes going to different regions/tables? If so, disable the balancer an...
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Author: Jean-Daniel Cryans,
2013-04-25, 17:17
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Unscientific comparison of fully-cached zipfian reading - HBase - [mail # dev]
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...Hey guys, I did a little benchmarking to see what kind of numbers we get from the block cache and the OS cache. Please see: https://docs.google.com/spreadsheet/pub?key=0Ao87IrzZJ...
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Author: Jean-Daniel Cryans,
2013-04-25, 01:01
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[HBASE-8381] TestTableInputFormatScan on Hadoop 2 fails because YARN kills our applications - HBase - [issue]
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...Snippet from http://54.241.6.143/job/HBase-0.94-Hadoop-2/org.apache.hbase$hbase/72/testReport/junit/org.apache.hadoop.hbase.mapreduce/TestTableInputFormatScan1/testScanEmptyToEmpty/2013-04-1...
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http://issues.apache.org/jira/browse/HBASE-8381
Author: Jean-Daniel Cryans,
2013-04-25, 00:12
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Re: [VOTE] The 1st hbase 0.94.7 release candidate is available for download - HBase - [mail # dev]
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...I've been running with RC0 for about a week now on a 10 nodes cluster doing performance testing and bulk loads, very stable. I also ran a small PE on my local machine. +1 J-D &nb...
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Author: Jean-Daniel Cryans,
2013-04-24, 17:09
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[HBASE-8391] StochasticLoadBalancer doesn't call needsBalance - HBase - [issue]
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...StochasticLoadBalancer doesn't call BaseLoadBalancer.needsBalance so it always try to compute a move even if the cluster is correctly balanced. While looking at that code I figured I could r...
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http://issues.apache.org/jira/browse/HBASE-8391
Author: Jean-Daniel Cryans,
2013-04-24, 02:31
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Re: Build failed in Jenkins: hbase-0.95-on-hadoop2 #77 - HBase - [mail # dev]
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...Builds are failing a lot with this: [ERROR] Failed to execute goal org.apache.rat:apache-rat-plugin:0.8:check (default) on project hbase: Too many unapproved licenses: 1 -> [Help 1]...
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Author: Jean-Daniel Cryans,
2013-04-23, 20:21
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[HBASE-3557] Quick disable call to drop a table - HBase - [issue]
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...From the mailing list, it seems that a feature that enables the disabling of tables without having to wait for regions to flush would be quite popular. In the case where you do rapid develop...
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http://issues.apache.org/jira/browse/HBASE-3557
Author: Jean-Daniel Cryans,
2013-04-18, 22:53
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[HBASE-2611] Handle RS that fails while processing the failure of another one - HBase - [issue]
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...HBASE-2223 doesn't manage region servers that fail while doing the transfer of HLogs queues from other region servers that failed. Devise a reliable way to do it....
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http://issues.apache.org/jira/browse/HBASE-2611
Author: Jean-Daniel Cryans,
2013-04-18, 15:27
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