[ https://issues.apache.org/jira/browse/ACCUMULO-513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13609076#comment-13609076 ] 

Hudson commented on ACCUMULO-513:
---------------------------------

Integrated in Accumulo-Trunk #792 (See [https://builds.apache.org/job/Accumulo-Trunk/792/])
    ACCUMULO-513 made master always form a new connection when getting tserver status info (Revision 1459375)

     Result = SUCCESS
kturner : 
Files : 
* /accumulo/trunk
* /accumulo/trunk/assemble
* /accumulo/trunk/core
* /accumulo/trunk/core/src/main/java/org/apache/accumulo/core/client/admin/InstanceOperationsImpl.java
* /accumulo/trunk/core/src/main/java/org/apache/accumulo/core/util/ThriftUtil.java
* /accumulo/trunk/examples
* /accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/ZooStore.java
* /accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
* /accumulo/trunk/server
* /accumulo/trunk/server/src/main/java/org/apache/accumulo/server/master/LiveTServerSet.java
* /accumulo/trunk/server/src/main/java/org/apache/accumulo/server/master/Master.java
* /accumulo/trunk/server/src/main/java/org/apache/accumulo/server/master/tserverOps/ShutdownTServer.java
* /accumulo/trunk/src

                
> Need to deal with half-dead tservers
> ------------------------------------
>
>                 Key: ACCUMULO-513
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-513
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.4.0
>            Reporter: Keith Turner
>            Assignee: Keith Turner
>             Fix For: 1.5.0
>
>
> Every once in a while a tablet server will go zombie.  The tablet server is alive and talking to the master and zookeeper, but not accepting new connections from clients.  To keep these types of tablet servers from causing problems a process could try to scan a tablet on each tablet server periodically.  If it can not scan a tablet within a certain number of tries, it could delete the tservers lock in zookeeper.  The monitor process could do this.  

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