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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14317) Stuck FSHLog: bad disk (HDFS-8960) and can't roll WAL
Date Wed, 26 Aug 2015 18:46:46 GMT
stack created HBASE-14317:
-----------------------------

             Summary: Stuck FSHLog: bad disk (HDFS-8960) and can't roll WAL
                 Key: HBASE-14317
                 URL: https://issues.apache.org/jira/browse/HBASE-14317
             Project: HBase
          Issue Type: Bug
    Affects Versions: 1.1.1
            Reporter: stack


hbase-1.1.1 and hadoop-2.7.1

We try to roll logs because can't append (See HDFS-8960) but we get stuck. See attached thread
dump and associated log. What is interesting is that syncers are waiting to take syncs to
run and at same time we want to flush so we are waiting on a safe point but there seems to
be nothing in our ring buffer; did we go to roll log and not add safe point sync to clear
out ringbuffer?

Needs a bit of study. Try to reproduce.



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