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Posted to notifications@accumulo.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2013/02/27 23:25:13 UTC
[jira] [Commented] (ACCUMULO-1077) Deadlock possible with log
recovery.
[ https://issues.apache.org/jira/browse/ACCUMULO-1077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588853#comment-13588853 ]
Hudson commented on ACCUMULO-1077:
----------------------------------
Integrated in Accumulo-1.5-Hadoop-2.0 #2 (See [https://builds.apache.org/job/Accumulo-1.5-Hadoop-2.0/2/])
ACCUMULO-1077 fixed deadlock w/ walog recovery and made walog recovery retry w/ backoff.... failed log recoveries were not retrying (Revision 1450993)
Result = FAILURE
kturner :
Files :
* /accumulo/branches/1.5/core/src/main/java/org/apache/accumulo/core/conf/Property.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/Master.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/recovery/HadoopLogCloser.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/recovery/LogCloser.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/recovery/MapRLogCloser.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/recovery/MapRRecoverLease.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/recovery/RecoverLease.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/recovery/RecoveryManager.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/recovery/SubmitFileForRecovery.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/tabletserver/log/LogSorter.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/zookeeper/DistributedWorkQueue.java
> Deadlock possible with log recovery.
> ------------------------------------
>
> Key: ACCUMULO-1077
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1077
> Project: Accumulo
> Issue Type: Bug
> Reporter: Keith Turner
> Assignee: Keith Turner
> Priority: Blocker
> Fix For: 1.5.0
>
>
> The master enqueues a FATE operation to start log recovery. If all FATE threads are busy trying to read the metadata table and the metadata table needs to be recovered then we are stuck. I think this bug may be new in 1.5, but I am not sure. Need to check if it exists in 1.4.
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