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https://issues.apache.org/jira/browse/CHUKWA-421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791716#action_12791716
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Eric Yang commented on CHUKWA-421:
----------------------------------
-bash-3.1$ telnet localhost 9093
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
list
adaptor_1b0f8e15eedd2cb346aa8c1cfd4f35d9)
org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8NewLineEscaped
mapred 0
/usr/local/chukwa/current/var/log/metrics/chukwa-mapred-mapred-1260413773627.log
5332706
-bash-3.1$ ls -l chukwa-mapred-mapred-1260413773627.log
-rw-r--r-- 1 mapred users 168050 Dec 17 01:00
chukwa-mapred-mapred-1260413773627.log
-bash-3.1$ ls -l chukwa-mapred-mapred-1260413773627.log.2009-12-16
-rw-r--r-- 1 mapred users 5332706 Dec 16 23:59
chukwa-mapred-mapred-1260413773627.log.2009-12-16
It still doesn't rotate properly.
> new logfile rotation detection scheme
> -------------------------------------
>
> Key: CHUKWA-421
> URL: https://issues.apache.org/jira/browse/CHUKWA-421
> Project: Hadoop Chukwa
> Issue Type: Improvement
> Components: data collection
> Reporter: Ari Rabkin
> Assignee: Ari Rabkin
> Attachments: CHUKWA-421.patch
>
>
> Currently, we keep files open in order to detect rotation. This is wasteful
> of file handles, doesn't work correctly across reboots, and I think we can do
> better.
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