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https://issues.apache.org/jira/browse/CASSANDRA-6974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13958932#comment-13958932
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Ryan McGuire commented on CASSANDRA-6974:
-----------------------------------------
Yes, the backup location is cleared each run (it's a new temp directory each
time the script runs.)
The multiple runs you are seeing in the log file is part of the script itself,
it creates the initial commitlogs, blows away the schema, shutsdown, edits the
commitlog_archive.properties file, then starts back up.
> Replaying archived commitlogs isn't working
> -------------------------------------------
>
> Key: CASSANDRA-6974
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6974
> Project: Cassandra
> Issue Type: Bug
> Reporter: Ryan McGuire
> Assignee: Benedict
> Fix For: 2.1 beta2
>
> Attachments: 2.0.system.log, 2.1.system.log
>
>
> I have a test for restoring archived commitlogs, which is not working in 2.1
> HEAD. My commitlogs consist of 30,000 inserts, but system.log indicates
> there were only 2 mutations replayed:
> {code}
> INFO [main] 2014-04-02 11:49:54,173 CommitLog.java:115 - Log replay
> complete, 2 replayed mutations
> {code}
> There are several warnings in the logs about bad headers and invalid CRCs:
> {code}
> WARN [main] 2014-04-02 11:49:54,156 CommitLogReplayer.java:138 - Encountered
> bad header at position 0 of commit log /tmp/dtest
> -mZIlPE/test/node1/commitlogs/CommitLog-4-1396453793570.log, with invalid
> CRC. The end of segment marker should be zero.
> {code}
> compare that to the same test run on 2.0, where it replayed many more
> mutations:
> {code}
> INFO [main] 2014-04-02 11:49:04,673 CommitLog.java (line 132) Log replay
> complete, 35960 replayed mutations
> {code}
> I'll attach the system logs for reference.
> [Here is the dtest to reproduce
> this|https://github.com/riptano/cassandra-dtest/blob/master/snapshot_test.py#L75]
> - (This currently relies on the fix for snapshots available in
> CASSANDRA-6965.)
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