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From "mlowicki (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10992) Hanging streaming sessions
Date Sat, 09 Jan 2016 17:53:39 GMT
mlowicki created CASSANDRA-10992:
------------------------------------

             Summary: Hanging streaming sessions
                 Key: CASSANDRA-10992
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10992
             Project: Cassandra
          Issue Type: Bug
         Environment: C* 2.1.12, Debian Wheezy
            Reporter: mlowicki
             Fix For: 2.1.12


I've started recently running repair using [Cassandra Reaper|https://github.com/spotify/cassandra-reaper]
 (built-in {{nodetool repair}} doesn't work for me - CASSANDRA-9935). It behaves fine but
I've noticed hanging streaming sessions:
{code}
root@db1:~# date
Sat Jan  9 16:43:00 UTC 2016
root@db1:~# nt netstats -H | grep total
        Receiving 5 files, 46.59 MB total. Already received 1 files, 11.32 MB total
        Sending 7 files, 46.28 MB total. Already sent 7 files, 46.28 MB total
        Receiving 6 files, 64.15 MB total. Already received 1 files, 12.14 MB total
        Sending 5 files, 61.15 MB total. Already sent 5 files, 61.15 MB total
        Receiving 4 files, 7.75 MB total. Already received 3 files, 7.58 MB total
        Sending 4 files, 4.29 MB total. Already sent 4 files, 4.29 MB total
        Receiving 12 files, 13.79 MB total. Already received 11 files, 7.66 MB total
        Sending 5 files, 15.32 MB total. Already sent 5 files, 15.32 MB total
        Receiving 8 files, 20.35 MB total. Already received 1 files, 13.63 MB total
        Sending 38 files, 125.34 MB total. Already sent 38 files, 125.34 MB total

root@db1:~# date
Sat Jan  9 17:45:42 UTC 2016
root@db1:~# nt netstats -H | grep total
        Receiving 5 files, 46.59 MB total. Already received 1 files, 11.32 MB total
        Sending 7 files, 46.28 MB total. Already sent 7 files, 46.28 MB total
        Receiving 6 files, 64.15 MB total. Already received 1 files, 12.14 MB total
        Sending 5 files, 61.15 MB total. Already sent 5 files, 61.15 MB total
        Receiving 4 files, 7.75 MB total. Already received 3 files, 7.58 MB total
        Sending 4 files, 4.29 MB total. Already sent 4 files, 4.29 MB total
        Receiving 12 files, 13.79 MB total. Already received 11 files, 7.66 MB total
        Sending 5 files, 15.32 MB total. Already sent 5 files, 15.32 MB total
        Receiving 8 files, 20.35 MB total. Already received 1 files, 13.63 MB total
        Sending 38 files, 125.34 MB total. Already sent 38 files, 125.34 MB total
{code}

Such sessions are left even when repair job is long time done (confirmed by checking Reaper's
and Cassandra's logs). {{streaming_socket_timeout_in_ms}} in cassandra.yaml is set to default
value (3600000).



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