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Posted to issues@hbase.apache.org by "Jonathan Gray (JIRA)" <ji...@apache.org> on 2010/09/21 13:51:33 UTC
[jira] Commented: (HBASE-3020) Splitting .META. broke since new
master went in
[ 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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