https://issues.apache.org/jira/browse/CASSANDRA-5732
There is now a reproducible test case. /Janne On Oct 7, 2013, at 16:29 , Michał Michalski <mich...@opera.com> wrote: > I had similar issue (reported many times here, there's also a JIRA issue, but > people reporting this problem were unable to reproduce it). > > What I can say is that for me the solution was to run major compaction on the > index CF via JMX. To be clear - we're not talking about compacting the CF > that IS indexed (your CF), but the internal Cassandra's one, which is > responsible for storing index data. > > MBean you should look for looks like this: > > org.apache.cassandra.db:type=IndexColumnFamilies,keyspace=<KS>,columnfamily=<CF>.<IDX> > > M. > > W dniu 07.10.2013 15:22, Tom van den Berge pisze: >> On a 2-node cluster with replication factor 2, I have a column family with >> an index on one of the columns. >> >> Every now and then, I notice that a lookup of the record through the index >> on node 1 produces the record, but the same lookup on node 2 does not! If I >> do a lookup by row key, the record is found, and the indexed value is there. >> >> >> So as far as I can tell, the index on one of the nodes looses values, and >> is no longer in sync with the other node, even though the replication >> factor requires it. I typically repair these issues by storing the indexed >> column value again. >> >> The indexed data is static data; it doesn't change. >> >> I'm running cassandra 1.2.3. I'm running a nodetool repair on each node >> every day (although this does not fix this problem). >> >> This problem worries me a lot. I don't have a clue about the cause of it. >> Any help would be greatly appreciated. >> >> >> >> Tom >>