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[HBASE-10018] Remove region location prefetching - HBase - [issue]
...Issues with prefetching are: we do two calls to meta: one for the exact row, one for the prefetch it's done in a lock we take the next 10 regions. Why 10, why the 10 next? is it useful if th...
http://issues.apache.org/jira/browse/HBASE-10018    Author: Nicolas Liochon , 2018-06-21, 10:22
[HDFS-3702] Add an option for NOT writing the blocks locally if there is a datanode on the same box as the client - HDFS - [issue]
...This is useful for Write-Ahead-Logs: these files are writen for recovery only, and are not read when there are no failures.Taking HBase as an example, these files will be read only if the pr...
http://issues.apache.org/jira/browse/HDFS-3702    Author: Nicolas Liochon , 2018-05-16, 07:12
[HBASE-4955] Use the official versions of surefire & junit - HBase - [issue]
...We currently use private versions for Surefire & JUnit since HBASE-4763.This JIRA traks what we need to move to official versions.Surefire 2.11 is just out, but, after some tests, it doe...
http://issues.apache.org/jira/browse/HBASE-4955    Author: Nicolas Liochon , 2018-04-06, 17:55
[HBASE-11835] Wrong managenement of non expected calls in the client - HBase - [issue]
...If a call is purged or canceled we try to skip the reply from the server, but we read the wrong number of bytes so we corrupt the tcp channel. It's hidden as it triggers retry and so on, but...
http://issues.apache.org/jira/browse/HBASE-11835    Author: Nicolas Liochon , 2018-04-06, 17:54
[HBASE-11491] Add an option to sleep randomly during the tests with the PE tool - HBase - [issue]
...This allows to find some interesting bugs.......
http://issues.apache.org/jira/browse/HBASE-11491    Author: Nicolas Liochon , 2018-04-06, 17:51
[HBASE-11744] RpcServer code should not use a collection from netty internal - HBase - [issue]
...A side effect of the autocompletion......
http://issues.apache.org/jira/browse/HBASE-11744    Author: Nicolas Liochon , 2018-04-06, 17:51
[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 , 2018-04-06, 17:51
[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 , 2018-04-06, 17:51
[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 , 2018-04-06, 17:51
[HBASE-11787] TestRegionLocations is not categorized - HBase - [issue]
...It's actually executed (likely with the large tests), but it's risky....
http://issues.apache.org/jira/browse/HBASE-11787    Author: Nicolas Liochon , 2018-04-06, 17:51