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From "Carl Yeksigian (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-10829) cleanup + repair generates a lot of logs
Date Mon, 24 Oct 2016 14:42:59 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-10829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Carl Yeksigian updated CASSANDRA-10829:
---------------------------------------
    Component/s: Streaming and Messaging

> cleanup + repair generates a lot of logs
> ----------------------------------------
>
>                 Key: CASSANDRA-10829
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10829
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Streaming and Messaging
>         Environment: 5 nodes on Cassandra 2.1.11 (on Debian)
>            Reporter: Fabien Rousseau
>            Assignee: Marcus Eriksson
>             Fix For: 2.1.13, 2.2.5, 3.0.3, 3.3
>
>
> One of our node generates a lot of cassandra logs (int the 10 MB/s) and CPU usage has
increased (by a factor 2-3).
> This was most probably triggered by a "nodetool snapshot" while a cleanup was already
running on this node.
> An example of those logs:
> 2015-12-08 09:15:17,794 INFO  [ValidationExecutor:689]ColumnFamilyStore.java:1923 Spinning
trying to capture released readers [...]
> 2015-12-08 09:15:17,794 INFO  [ValidationExecutor:689]ColumnFamilyStore.java:1924 Spinning
trying to capture all readers [...]
> 2015-12-08 09:15:17,795 INFO  [ValidationExecutor:689]ColumnFamilyStore.java:1923 Spinning
trying to capture released readers [...]
> 2015-12-08 09:15:17,795 INFO  [ValidationExecutor:689]ColumnFamilyStore.java:1924 Spinning
trying to capture all readers [...]
> (I removed SSTableReader information because it's rather long... I can share it privately
if needed)
> Note that the date has not been changed (only 1ms between logs)
> It should not generate that gigantic amount of logs :)
> This is probably linked to: https://issues.apache.org/jira/browse/CASSANDRA-9637



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