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From "Thibaut (JIRA)" <j...@apache.org>
Subject [jira] Created: (CASSANDRA-2081) Consistency QUORUM does not work anymore
Date Mon, 31 Jan 2011 19:40:28 GMT
Consistency QUORUM does not work anymore
----------------------------------------

                 Key: CASSANDRA-2081
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2081
             Project: Cassandra
          Issue Type: Bug
          Components: Core
         Environment: linux, hector + cassandra
            Reporter: Thibaut
            Priority: Blocker
             Fix For: 0.7.1


I'm using apache-cassandra-2011-01-28_20-06-01.jar and hector 7.0.25.

Using consistency level Quorum won't work anymore (tested it on read). Consisteny level ONE
still works though

I have tried this with one dead node in my cluster.

If I restart cassandra with an older svn revision (apache-cassandra-2011-01-28_20-06-01.jar),
I can access the cluster with consistency level QUORUM again, while still using apache-cassandra-2011-01-28_20-06-01.jar
and hector 7.0.25 in my application.


11/01/31 19:54:38 ERROR connection.CassandraHostRetryService: Downed intr1n18(192.168.0.18):9160
host still appears to be down: Unable to open transport to intr1n18(192.168.0.18):9160 , java.net.NoRouteToHostException:
No route to host
11/01/31 19:54:38 INFO connection.CassandraHostRetryService: Downed Host retry status false
with host: intr1n18(192.168.0.18):9160
11/01/31 19:54:45 ERROR connection.HConnectionManager: Could not fullfill request on this
host CassandraClient<intr1n11:9160-483>

intr1n11 is marked as up however and I can also access the node through the cassandra cli.


192.168.0.1     Up     Normal  8.02 GB         5.00%   0cc
192.168.0.2     Up     Normal  7.96 GB         5.00%   199
192.168.0.3     Up     Normal  8.24 GB         5.00%   266
192.168.0.4     Up     Normal  4.94 GB         5.00%   333
192.168.0.5     Up     Normal  5.02 GB         5.00%   400
192.168.0.6     Up     Normal  5 GB            5.00%   4cc
192.168.0.7     Up     Normal  5.1 GB          5.00%   599
192.168.0.8     Up     Normal  5.07 GB         5.00%   666
192.168.0.9     Up     Normal  4.78 GB         5.00%   733
192.168.0.10    Up     Normal  4.34 GB         5.00%   7ff
192.168.0.11    Up     Normal  5.01 GB         5.00%   8cc
192.168.0.12    Up     Normal  5.31 GB         5.00%   999
192.168.0.13    Up     Normal  5.56 GB         5.00%   a66
192.168.0.14    Up     Normal  5.82 GB         5.00%   b33
192.168.0.15    Up     Normal  5.57 GB         5.00%   c00
192.168.0.16    Up     Normal  5.03 GB         5.00%   ccc
192.168.0.17    Up     Normal  4.77 GB         5.00%   d99
192.168.0.18    Down   Normal  ?               5.00%   e66
192.168.0.19    Up     Normal  4.78 GB         5.00%   f33
192.168.0.20    Up     Normal  4.83 GB         5.00%   ffffffffffffffff






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