[jira] [Created] (CASSANDRA-10962) Cassandra should not create snapshot at restart for compactions_in_progress

["FACORAT (JIRA)" <ji...@apache.org>]

FACORAT created CASSANDRA-10962:
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             Summary: Cassandra should not create snapshot at restart for compactions_in_progress
                 Key: CASSANDRA-10962
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10962
             Project: Cassandra
          Issue Type: Bug
         Environment: Ubuntu 14.04.3 LTS
            Reporter: FACORAT
            Priority: Minor


If auto_snapshot is set to true in cassandra.yaml, each time you restart Cassandra, a snapshot is created for system.compactions_in_progress as the table is truncated at cassandra start.

However as datas in this table are temporary, Cassandra should not create snapshot for this table (or maybe even for system.* tables). This will be coherent with the fact that "nodetool listsnapshots" doesn't even list this table.

Exemple:

$ nodetool listsnapshots | grep compactions
$ ls -lh system/compactions_in_progress-55080ab05d9c388690a4acb25fe1f77b/snapshots/
total 16K
drwxr-xr-x 2 cassandra cassandra 4.0K Nov 30 13:12 1448885530280-compactions_in_progress
drwxr-xr-x 2 cassandra cassandra 4.0K Dec  7 15:36 1449498977181-compactions_in_progress
drwxr-xr-x 2 cassandra cassandra 4.0K Dec 14 18:20 1450113621506-compactions_in_progress
drwxr-xr-x 2 cassandra cassandra 4.0K Jan  4 12:53 1451908396364-compactions_in_progress



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