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From "Teodor Sigaev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-459) Commitlog segments don't get deleted
Date Sun, 27 Sep 2009 17:29:15 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12760065#action_12760065
] 

Teodor Sigaev commented on CASSANDRA-459:
-----------------------------------------

Sure, results:

% ls -l /spool/cassandra/commitlog /spool/cassandra/data/Keyspace1 /spool/cassandra/data/system
/spool/cassandra/commitlog:
total 89344
-rw-r--r--  1 teodor  wheel  91422720 Sep 27 20:36 CommitLog-1254068803560.log

/spool/cassandra/data/Keyspace1:
total 78400
-rw-r--r--  1 teodor  wheel  70339417 Sep 27 20:36 Standard1-9-Data.db
-rw-r--r--  1 teodor  wheel    210085 Sep 27 20:36 Standard1-9-Filter.db
-rw-r--r--  1 teodor  wheel   9601776 Sep 27 20:36 Standard1-9-Index.db

/spool/cassandra/data/system:
total 6
-rw-r--r--  1 teodor  wheel  255 Sep 27 20:31 LocationInfo-1-Data.db
-rw-r--r--  1 teodor  wheel   85 Sep 27 20:31 LocationInfo-1-Filter.db
-rw-r--r--  1 teodor  wheel   50 Sep 27 20:31 LocationInfo-1-Index.db

After hour:
% ls -l /spool/cassandra/commitlog /spool/cassandra/data/Keyspace1 /spool/cassandra/data/system
/spool/cassandra/commitlog:
total 564560
-rw-r--r--  1 teodor  wheel  134218167 Sep 27 21:27 CommitLog-1254068803560.log
-rw-r--r--  1 teodor  wheel  134218321 Sep 27 21:27 CommitLog-1254069672194.log
-rw-r--r--  1 teodor  wheel  134218547 Sep 27 21:27 CommitLog-1254070532837.log
-rw-r--r--  1 teodor  wheel  134217848 Sep 27 21:27 CommitLog-1254071417379.log
-rw-r--r--  1 teodor  wheel   40793246 Sep 27 21:28 CommitLog-1254072254525.log

/spool/cassandra/data/Keyspace1:
total 487238
-rw-r--r--  1 teodor  wheel  245938744 Sep 27 21:05 Standard1-37-Data.db
-rw-r--r--  1 teodor  wheel     807205 Sep 27 21:05 Standard1-37-Filter.db
-rw-r--r--  1 teodor  wheel   32638599 Sep 27 21:05 Standard1-37-Index.db
-rw-r--r--  1 teodor  wheel   70395458 Sep 27 21:13 Standard1-46-Data.db
-rw-r--r--  1 teodor  wheel     210325 Sep 27 21:13 Standard1-46-Filter.db
-rw-r--r--  1 teodor  wheel    9612077 Sep 27 21:13 Standard1-46-Index.db
-rw-r--r--  1 teodor  wheel   41011329 Sep 27 21:18 Standard1-51-Data.db
-rw-r--r--  1 teodor  wheel     122245 Sep 27 21:18 Standard1-51-Filter.db
-rw-r--r--  1 teodor  wheel    5619283 Sep 27 21:18 Standard1-51-Index.db
-rw-r--r--  1 teodor  wheel   70296583 Sep 27 21:27 Standard1-60-Data.db
-rw-r--r--  1 teodor  wheel     210085 Sep 27 21:27 Standard1-60-Filter.db
-rw-r--r--  1 teodor  wheel    9592964 Sep 27 21:27 Standard1-60-Index.db
-rw-r--r--  1 teodor  wheel   10444198 Sep 27 21:27 Standard1-61-Data.db
-rw-r--r--  1 teodor  wheel      30253 Sep 27 21:27 Standard1-61-Filter.db
-rw-r--r--  1 teodor  wheel    1437846 Sep 27 21:27 Standard1-61-Index.db

/spool/cassandra/data/system:
total 6
-rw-r--r--  1 teodor  wheel  255 Sep 27 20:31 LocationInfo-1-Data.db
-rw-r--r--  1 teodor  wheel   85 Sep 27 20:31 LocationInfo-1-Filter.db
-rw-r--r--  1 teodor  wheel   50 Sep 27 20:31 LocationInfo-1-Index.db




> Commitlog segments don't get deleted
> ------------------------------------
>
>                 Key: CASSANDRA-459
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-459
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>             Fix For: 0.4, 0.5
>
>         Attachments: 0001-CASSANDRA-459-flush-system-table-every-five-minutes.txt, 0002-logging.txt
>
>
> System table is not created with a periodic flush, so any update there (such as storing
token info) can prevent commitlog segments from being deleted.

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