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Date: Mon, 22 Jun 2015 16:46:02 +0000 (UTC)
From: "Josh Elser (JIRA)" <jira@apache.org>
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Message-ID: <JIRA.12692321.1391100562000.137224.1434991562021@Atlassian.JIRA>
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Subject: [jira] [Commented] (ACCUMULO-2287) Logs are overwritten upon
 restart
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    [ https://issues.apache.org/jira/browse/ACCUMULO-2287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14596200#comment-14596200 ] 

Josh Elser commented on ACCUMULO-2287:
--------------------------------------

Recopying my comments...

Borrowing from HBase, they have this snippet for managing this:

{code}
hbase_rotate_log ()
{
    log=$1;
    num=5;
    if [ -n "$2" ]; then
    num=$2
    fi
    if [ -f "$log" ]; then # rotate logs
    while [ $num -gt 1 ]; do
        prev=`expr $num - 1`
        [ -f "$log.$prev" ] && mv -f "$log.$prev" "$log.$num"
        num=$prev
    done
    mv -f "$log" "$log.$num";
    fi
}
{code}

> Logs are overwritten upon restart
> ---------------------------------
>
>                 Key: ACCUMULO-2287
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2287
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: master, tserver
>    Affects Versions: 1.4.4, 1.5.0, 1.6.0, 1.7.0
>            Reporter: Mike Drob
>            Assignee: Josh Elser
>             Fix For: 1.8.0
>
>
> When a server is restarted, then it overwrites the contents of the .out and .err files. This makes it more difficult to debug failures if you have something like puppet or supervisord ensuring that your processes are always running. We should figure out how to roll the files instead.


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