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From "Benjamin Lerer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11595) Cassandra cannot start because of empty commitlog
Date Mon, 18 Apr 2016 14:03:25 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15245711#comment-15245711
] 

Benjamin Lerer commented on CASSANDRA-11595:
--------------------------------------------

When a new segment is allocated the file is first created and open. The file is then open
a second time, due to a bug on Windows (CASSANDRA-8308), to be resize.
It seems that the limit of open files was reached when the file was open that second time.
Due to that nothing was written to the file.

> Cassandra cannot start because of empty commitlog
> -------------------------------------------------
>
>                 Key: CASSANDRA-11595
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11595
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: n0rad
>            Assignee: Benjamin Lerer
>
> After the crash of CASSANDRA-11594.
> Cassandra try to restart and fail because of commit log replay.
> Same on 4 of the crashed nodes out of 6.
> ```
> org.apache.cassandra.db.commitlog.CommitLogReplayer$CommitLogReplayException: Could not
read commit log descriptor in file /data/commitlog/CommitLog-6-1460632496764.log
> at org.apache.cassandra.db.commitlog.CommitLogReplayer.handleReplayError(CommitLogReplayer.java:644)
[apache-cassandra-3.0.5.jar:3.0.5]
> ```
> This file is empty and is not the commitlog with the latest date.
> ```
> ...
> -rw-r--r-- 1 root root 32M Apr 16 21:46 CommitLog-6-1460632496761.log
> -rw-r--r-- 1 root root 32M Apr 16 21:47 CommitLog-6-1460632496762.log
> -rw-r--r-- 1 root root 32M Apr 16 21:47 CommitLog-6-1460632496763.log
> -rw-r--r-- 1 root root   0 Apr 16 21:47 CommitLog-6-1460632496764.log
> -rw-r--r-- 1 root root 32M Apr 16 21:50 CommitLog-6-1460843401097.log
> -rw-r--r-- 1 root root 32M Apr 16 21:51 CommitLog-6-1460843513346.log
> -rw-r--r-- 1 root root 32M Apr 16 21:53 CommitLog-6-1460843619271.log
> -rw-r--r-- 1 root root 32M Apr 16 21:55 CommitLog-6-1460843730533.log
> -rw-r--r-- 1 root root 32M Apr 16 21:57 CommitLog-6-1460843834129.log
> -rw-r--r-- 1 root root 32M Apr 16 21:58 CommitLog-6-1460843935094.log
> -rw-r--r-- 1 root root 32M Apr 16 22:00 CommitLog-6-1460844038543.log
> -rw-r--r-- 1 root root 32M Apr 16 22:02 CommitLog-6-1460844141003.log
> ...
> ```



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