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From "John Vines (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-1416) FileSystemMonitor isn't necessary anymore?
Date Tue, 14 May 2013 14:11:16 GMT
John Vines created ACCUMULO-1416:
------------------------------------

             Summary: FileSystemMonitor isn't necessary anymore?
                 Key: ACCUMULO-1416
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1416
             Project: Accumulo
          Issue Type: Bug
          Components: tserver
            Reporter: John Vines


With the removal of direct walogs, do we still need tservers monitoring the filesystem and
dying if things go wonky? Just had it happen and the death of the tserver didn't seem necessary,
especially with multiple disks.

Relevant stack trace-
{code}
2013-05-14 08:54:55,693 [util.FileSystemMonitor] FATAL: Exception while checking mount points,
halting process
java.lang.Exception: Filesystem /data/04 switched to read only
        at org.apache.accumulo.server.util.FileSystemMonitor.checkMounts(FileSystemMonitor.java:134)
        at org.apache.accumulo.server.util.FileSystemMonitor$1.run(FileSystemMonitor.java:91)
        at java.util.TimerThread.mainLoop(Timer.java:534)
        at java.util.TimerThread.run(Timer.java:484)
{code}

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