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[HBASE-11492] Hadoop configuration overrides some ipc parameters including tcpNoDelay - HBase - [issue]
...There is an option to set tcpNoDelay, defaulted to true, but the socket channel is actually not changed. As a consequence, the server works with nagle enabled. This leads to very degraded be...
http://issues.apache.org/jira/browse/HBASE-11492    Author: Nicolas Liochon, 2014-08-19, 03:23
[HBASE-11719] Remove some unused paths in AsyncClient - HBase - [issue]
...Sergey Shelukhin you're ok with these changes?...
http://issues.apache.org/jira/browse/HBASE-11719    Author: Nicolas Liochon, 2014-08-12, 14:21
[HBASE-11718] Remove some logs in RpcClient.java - HBase - [issue]
...All the debug level logs there are about connection start/stop, except a few that are per request. As a result, we log too much when we're at the debug log level. It could be changed to "tra...
http://issues.apache.org/jira/browse/HBASE-11718    Author: Nicolas Liochon, 2014-08-12, 14:21
[HBASE-11564] Improve cancellation management in the rpc layer - HBase - [issue]
...The current client code depends on interrupting the thread for canceling a request. It's actually possible to rely on a callback in protobuf.The patch includes as well various performance im...
http://issues.apache.org/jira/browse/HBASE-11564    Author: Nicolas Liochon, 2014-08-11, 22:09
[HBASE-6626] Add a chapter on HDFS in the troubleshooting section of the HBase reference guide. - HBase - [issue]
...I looked mainly at the major failure case, but here is what I have:New sub chapter in the existing chapter "Troubleshooting and Debugging HBase": "HDFS & HBASE"1) HDFS & HBase2) Conn...
http://issues.apache.org/jira/browse/HBASE-6626    Author: Nicolas Liochon, 2014-08-08, 01:49
[HBASE-6290] Add a function a mark a server as dead and start the recovery the process - HBase - [issue]
...ZooKeeper is used a a monitoring tool: we use znode and we start the recovery process when a znode is deleted by ZK because it got a timeout. This timeout is defaulted to 90 seconds, and oft...
http://issues.apache.org/jira/browse/HBASE-6290    Author: Nicolas Liochon, 2014-08-07, 16:24
Re: Guava version incompatible - HBase - [mail # user]
...What's the HBase version?You should be able to use guava 15 with HBase 0.96 or 0.98 (see HBASE-9667for the details).On Thu, Aug 7, 2014 at 7:57 AM, Deepa Jayaveer wrote: ...
   Author: Nicolas Liochon, 2014-08-07, 08:42
[HBASE-9416] Use the disruptor library in the rcpServer - HBase - [issue]
...Nasty & hacky patch on top of the 0.96 to get some feedback on adding this third party.I ran a test doing "gets" on an empty region.With the current implementation, we're spending time i...
http://issues.apache.org/jira/browse/HBASE-9416    Author: Nicolas Liochon, 2014-08-06, 14:26
[HBASE-11208] Remove the hbase.hstore.blockingStoreFiles setting - HBase - [issue]
...It's a little bit of a provocation, but the rational is: there are some bugs around the delayed flush. For example, if the periodic scheduler has asked for a delayed flush, and that we need ...
http://issues.apache.org/jira/browse/HBASE-11208    Author: Nicolas Liochon, 2014-08-05, 19:27
[HBASE-11585] PE: Allows warm-up - HBase - [issue]
...When we measure the latency, warm-up helps to get repeatable and useful measures....
http://issues.apache.org/jira/browse/HBASE-11585    Author: Nicolas Liochon, 2014-08-04, 13:22
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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