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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3020) Splitting .META. broke since new master went in
Date Tue, 21 Sep 2010 11:51:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12912943#action_12912943
] 

Jonathan Gray commented on HBASE-3020:
--------------------------------------

bq. Splitting .META. broke...
You are referring to log splitting?  Seems so just trying to verify.  New master definitely
does not support multiple META regions currently (nor did old).

> Splitting .META. broke since new master went in
> -----------------------------------------------
>
>                 Key: HBASE-3020
>                 URL: https://issues.apache.org/jira/browse/HBASE-3020
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>            Reporter: stack
>            Assignee: stack
>            Priority: Blocker
>             Fix For: 0.90.0
>
>
> From Ryan:
> Log recovery didn't seem to run during META open, here is my hadoop lsr:
> {code}
> drwxr-xr-x   - hadoop supergroup          0 2010-09-20 19:20 /hbase-206/.META.
> drwxr-xr-x   - hadoop supergroup          0 2010-09-20 19:20
> /hbase-206/.META./.META.,,1
> drwxr-xr-x   - hadoop supergroup          0 2010-09-20 19:20
> /hbase-206/.META./.META.,,1/recovered.edits
> -rw-r--r--   3 hadoop supergroup      35544 2010-09-20 19:20
> /hbase-206/.META./.META.,,1/recovered.edits/0000000000000000008
> drwxr-xr-x   - hadoop supergroup          0 2010-09-20 13:36
> /hbase-206/.META./1028785192
> drwxr-xr-x   - hadoop supergroup          0 2010-09-20 13:36
> /hbase-206/.META./1028785192/.oldlogs
> -rw-r--r--   3 hadoop supergroup        124 2010-09-20 13:36
> /hbase-206/.META./1028785192/.oldlogs/hlog.1285015016913
> -rw-r--r--   3 hadoop supergroup       1018 2010-09-20 13:36
> /hbase-206/.META./1028785192/.regioninfo
> drwxr-xr-x   - hadoop supergroup          0 2010-09-20 13:36
> /hbase-206/.META./1028785192/historian
> drwxr-xr-x   - hadoop supergroup          0 2010-09-20 13:36
> /hbase-206/.META./1028785192/info
> {code}
> Notice how above recovered.edits is under a dir which is not the encoded name?
> This is my fault I'd guess.  I tried to put in place actual region names of -ROOT- and
.META. rather than the anonymous encodings.  Looks like I broke something split of .META.
when I committed new master.  Will fix in morning.

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