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[HBASE-7271] Have a single executor for all zkWorkers in the assignment manager - HBase - [issue]
...The current strategy is to have an array of monothreaded executor, and hash the zk path to ensure that there are no two events on the same region executed in parallel  I think a single ...
http://issues.apache.org/jira/browse/HBASE-7271    Author: nkeywal , 2012-12-11, 08:40
[HBASE-6401] HBase may lose edits after a crash if used with HDFS 1.0.3 or older - HBase - [issue]
...This comes from a hdfs bug, fixed in some hdfs versions. I haven't found the hdfs jira for this.Context: HBase Write Ahead Log features. This is using hdfs append. If the node crashes, the f...
http://issues.apache.org/jira/browse/HBASE-6401    Author: nkeywal , 2012-12-05, 14:59
[HBASE-7248] Improve the resources usage in assignement - HBase - [issue]
...On top on HBASE-7246 and HBASE-7247, I've changed some parameters:hbase.regionserver.executor.openregion.threads from 3 to 300hbase.assignment.zkevent.workers from 5 to 30hbase.assignment.th...
http://issues.apache.org/jira/browse/HBASE-7248    Author: nkeywal , 2012-11-30, 19:00
[HBASE-5877] When a query fails because the region has moved, let the regionserver return the new address to the client - HBase - [issue]
...This is mainly useful when we do a rolling restart. This will decrease the load on the master and the network load.Note that a region is not immediately opened after a close. So: it seems pr...
http://issues.apache.org/jira/browse/HBASE-5877    Author: nkeywal , 2012-11-30, 10:22
[HBASE-7220] Creating a table with 3000 regions on 2 nodes fails after 1 hour - HBase - [issue]
...I'm trying to create a table with 3000 regions on two regions servers, from the shell.It's ok on trunk a standalone config.It's ok on 0.94It's not ok on trunk: it fails after around 1 hour.I...
http://issues.apache.org/jira/browse/HBASE-7220    Author: nkeywal , 2012-11-30, 02:46
[HBASE-7227] KeyLocker#acquireLocks should be synchronized - HBase - [issue]
...without this, we're looking for deadlocks.I'm looking at the code currently, I may add stuff to this jira...
http://issues.apache.org/jira/browse/HBASE-7227    Author: nkeywal , 2012-11-28, 13:46
[HBASE-7146] Fix the wrong reference to getReader survived in theFSHLog javadoc - HBase - [issue]
...In FSHLog, a wrong reference to getReader survived in the javadoc: * To read an HLog, call {@link #getReader(org.apache.hadoop.fs.FileSystem, * org.apache.hadoop.fs.Path, org.apach...
http://issues.apache.org/jira/browse/HBASE-7146    Author: nkeywal , 2012-11-22, 00:33
[HBASE-6356] printStackTrace in FSUtils - HBase - [issue]
...This is bad...    public boolean accept(Path p) {      boolean isValid = false;      try {        if (HConstants.HBASE_NON_USER_TA...
http://issues.apache.org/jira/browse/HBASE-6356    Author: nkeywal , 2012-11-14, 11:18
[HBASE-7104] HBase includes multiple versions of netty: 3.5.0; 3.2.4; 3.2.2 - HBase - [issue]
...We've got 3 of them on trunk.[INFO] org.apache.hbase:hbase-server:jar:0.95-SNAPSHOT[INFO] +- io.netty:netty:jar:3.5.0.Final:compile[INFO] +- org.apache.zookeeper:zook...
http://issues.apache.org/jira/browse/HBASE-7104    Author: nkeywal , 2012-11-14, 11:17
[HBASE-6109] Improve RIT performances during assignment on large clusters - HBase - [issue]
...The main points in this patch are: lowering the number of copy of the RIT list lowering the number of synchronization synchronizing on a region rather than on everythingIt also contains: som...
http://issues.apache.org/jira/browse/HBASE-6109    Author: nkeywal , 2012-10-18, 04:46