You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@hbase.apache.org by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org> on 2016/03/01 09:05:18 UTC
[jira] [Created] (HBASE-15367) Configuring DisabledWAL provider
hangs the RegionServer
ramkrishna.s.vasudevan created HBASE-15367:
----------------------------------------------
Summary: Configuring DisabledWAL provider hangs the RegionServer
Key: HBASE-15367
URL: https://issues.apache.org/jira/browse/HBASE-15367
Project: HBase
Issue Type: Bug
Reporter: ramkrishna.s.vasudevan
Assignee: ramkrishna.s.vasudevan
Priority: Minor
DisabledWALProvider is not for production cases. But still configuring one does not allow region opening to work fine and thus hanging create table process.
[code}
at org.apache.hadoop.hbase.wal.WALKey.getWriteEntry(WALKey.java:106)
at org.apache.hadoop.hbase.regionserver.wal.WALUtil.writeMarker(WALUtil.java:133)
at org.apache.hadoop.hbase.regionserver.wal.WALUtil.writeRegionEventMarker(WALUtil.java:88)
at org.apache.hadoop.hbase.regionserver.HRegion.writeRegionOpenMarker(HRegion.java:1006)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6483)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6433)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6404)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6360)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6311)
at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:282)
at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:107)
at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
{code}
But there is also a clear comment in WALUtil#writeMarker
{code}
// If you get hung here, is it a real WAL or a mocked WAL? If the latter, you need to
// trip the latch that is inside in getWriteEntry up in your mock. See down in the append
// called from onEvent in FSHLog.
{code}
But this is about Mocking but here it is not mocking and still we are not able to use it. The only option is like the client should say SKIP_WAL for every mutation if we really need to avoid WAL.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)