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https://issues.apache.org/jira/browse/CASSANDRA-4481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13436346#comment-13436346
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Ivo Meißner commented on CASSANDRA-4481:
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I have also created the "broken" keyspace with a version prior to 1.1.2 (I'm
pretty sure it was 1.1.1). So maybe there is a commitlog incompatibility...
I also ran into some schema changing issues with that keyspace. Maybe I
destroyed the keyspace structure.
But it would be nice to get some kind of error message if something goes wrong
with the commitlogs. Everything else seems to work with the keyspace. You
really don't notice until you wonder where the data is...
> Commitlog not replayed after restart - data lost
> ------------------------------------------------
>
> Key: CASSANDRA-4481
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4481
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.1.2
> Environment: Single node cluster on 64Bit CentOS
> Reporter: Ivo Meißner
> Priority: Critical
>
> When data is written to the commitlog and I restart the machine, all commited
> data is lost that has not been flushed to disk.
> In the startup logs it says that it replays the commitlog successfully, but
> the data is not available then.
> When I open the commitlog file in an editor I can see the added data, but
> after the restart it cannot be fetched from cassandra.
> {code}
> INFO 09:59:45,362 Replaying
> /var/myproject/cassandra/commitlog/CommitLog-83203377067.log
> INFO 09:59:45,476 Finished reading
> /var/myproject/cassandra/commitlog/CommitLog-83203377067.log
> INFO 09:59:45,476 Log replay complete, 0 replayed mutations
> {code}
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