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[HBASE-7927] Two versions of netty with hadoop.profile=2.0: 3.5.9 and 3.2.4 - HBase - [issue]
...I don't know why, but when you do a mvn dependency:tree, everything looks fine. When you look at the generated target/cached_classpath.txt you see 2 versions of netty: netty-3.2.4.Final.jar ...
http://issues.apache.org/jira/browse/HBASE-7927    Author: Nicolas Liochon, 2013-11-06, 11:47
[HBASE-9868] Remove some array copy, especially around protobuf - HBase - [issue]
...Profiling the client shows that we're spending some time in array copy (10% of the code execution, 3% of the total time) in some array copy that we can avoid....
http://issues.apache.org/jira/browse/HBASE-9868    Author: Nicolas Liochon, 2013-11-02, 14:37
[HBASE-9861] Location does not have to be refreshed on regionTooBusy - HBase - [issue]
...Minor improvement. There is already some code to manage the exception, so I've change it to share between the classes....
http://issues.apache.org/jira/browse/HBASE-9861    Author: Nicolas Liochon, 2013-10-31, 14:08
[HBASE-8128] HTable#put improvements - HBase - [issue]
...3 points: When doing a single put, we're creating an object by calling Arrays.asList we're doing a size check every 10 put. Not doing it seems simpler, better and allows to share some code b...
http://issues.apache.org/jira/browse/HBASE-8128    Author: Nicolas Liochon, 2013-10-30, 08:27
Re: DISCUSSION: Move to GIT? - HBase - [mail # dev]
...I don't really care. I will follow.  I suppose we will keep our integration with JIRA, so we will have to submit a patch anyway to get it validated by pre-commit stuff?  Nicolas &n...
   Author: Nicolas Liochon, 2013-10-25, 18:41
Re: HBase and HDFS append() - HBase - [mail # user]
...> My understanding is that HBase requires "durable sync" capabilities of HDFS (i.e. hflush() hsync()), but does *not* require file append capabilities.  99.99% true. The remaining 0....
   Author: Nicolas Liochon, 2013-10-24, 15:35
[HBASE-5843] Improve HBase MTTR - Mean Time To Recover - HBase - [issue]
...A part of the approach is described here: https://docs.google.com/document/d/1z03xRoZrIJmg7jsWuyKYl6zNournF_7ZHzdi0qz_B4c/editThe ideal target is: failure impact client applications only by ...
http://issues.apache.org/jira/browse/HBASE-5843    Author: Nicolas Liochon, 2013-10-22, 21:34
Re: [VOTE] The 6th hbase-0.96.0 release candidate is available for download - HBase - [mail # dev]
...I'm +1. I've downloaded the released, deployed it. Ran YCSB, kills the nodes. I've ran a trunk client vs. the RC5, it works. As Elliott on the good news, the modules, the recovery, MTTR ( ;-...
   Author: Nicolas Liochon, 2013-10-18, 21:06
[HBASE-6058] Use ZK 3.4 API 'multi' in bulk assignment - HBase - [issue]
...We use async API today. This is already much much faster than the sync API. Still, it makes sense to use the 'multi' function: this will decrease the network & zookeeper load at startup/...
http://issues.apache.org/jira/browse/HBASE-6058    Author: Nicolas Liochon, 2013-10-15, 10:05
[HBASE-6736] Distributed Split: a split tasks can be mark as DONE but keep unassigned - HBase - [issue]
...Real cluster, scenario mentioned on HBASE-5843.Got it once out of 5 tests on 0.96Didn't get it on 0.94 after 3 tests.It seems we have a race condition on split logs: the task was nearly simu...
http://issues.apache.org/jira/browse/HBASE-6736    Author: Nicolas Liochon, 2013-10-15, 10:04
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB