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[HBASE-6058] Use ZK 3.4 API 'multi' in bulk assignment - HBase - [issue]
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...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/...
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http://issues.apache.org/jira/browse/HBASE-6058
Author: nkeywal,
2012-12-03, 19:28
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[HBASE-7248] Improve the resources usage in assignement - HBase - [issue]
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...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...
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http://issues.apache.org/jira/browse/HBASE-7248
Author: nkeywal,
2012-11-30, 19:00
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[HBASE-7246] Assignment#nodeChildrenChanged calls listChildrenAndWatchForNewChildren, overloading master & zookeper needlessly - HBase - [issue]
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...Assignment#nodeChildrenChanged listens to change event on hbase/unassigned, then calls listChildrenAndWatchForNewChildren. As its name says, this function gets the whole list of unnasigned r...
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http://issues.apache.org/jira/browse/HBASE-7246
Author: nkeywal,
2012-11-30, 17:51
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[HBASE-5877] When a query fails because the region has moved, let the regionserver return the new address to the client - HBase - [issue]
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...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...
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http://issues.apache.org/jira/browse/HBASE-5877
Author: nkeywal,
2012-11-30, 10:22
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[HBASE-7220] Creating a table with 3000 regions on 2 nodes fails after 1 hour - HBase - [issue]
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...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...
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http://issues.apache.org/jira/browse/HBASE-7220
Author: nkeywal,
2012-11-30, 02:46
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[HBASE-7168] [dev] in the script called 'hbase', we don't check for errors when generating the classpath with mvn - HBase - [issue]
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...When it happens, it's difficult to guess. Let's fix this....
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http://issues.apache.org/jira/browse/HBASE-7168
Author: nkeywal,
2012-11-29, 00:33
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[HBASE-7227] KeyLocker#acquireLocks should be synchronized - HBase - [issue]
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...without this, we're looking for deadlocks.I'm looking at the code currently, I may add stuff to this jira...
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http://issues.apache.org/jira/browse/HBASE-7227
Author: nkeywal,
2012-11-28, 13:46
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[HBASE-7146] Fix the wrong reference to getReader survived in theFSHLog javadoc - HBase - [issue]
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...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...
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http://issues.apache.org/jira/browse/HBASE-7146
Author: nkeywal,
2012-11-22, 00:33
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[HBASE-6773] Make the dfs replication factor configurable per table - HBase - [issue]
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...Today, it's an application level configuration. So all the HFiles are replicated 3 times per default.There are some reasons to make it per table: some tables are critical while some others a...
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http://issues.apache.org/jira/browse/HBASE-6773
Author: nkeywal,
2012-11-19, 23:30
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[HBASE-6356] printStackTrace in FSUtils - HBase - [issue]
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...This is bad... public boolean accept(Path p) { boolean isValid = false; try { if (HConstan...
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http://issues.apache.org/jira/browse/HBASE-6356
Author: nkeywal,
2012-11-14, 11:18
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