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HBase >> mail # user >> regions unlinked from table


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Re: regions unlinked from table
Bryan,

  I forgot to add the link to the new code to grab the uber-hbck
http://archive.cloudera.com/cdh/3/hbase-0.90.6-cdh3u4.tar.gz

On Mon, Jul 9, 2012 at 12:53 PM, Kevin O'dell <[EMAIL PROTECTED]>wrote:

> Can you please attach the output of hbck -details and the output of hadoop
> fs -lsr /hbase(you can send directly if you do not want to share that)?
>  There should not be any problem with using the uber-hbck to resolve this
> from the .90.6 version.
>
>
> On Mon, Jul 2, 2012 at 8:38 PM, Suraj Varma <[EMAIL PROTECTED]> wrote:
>
>> I was about to propose that next ... you could just try back porting
>> that uber hbck (or the relevant portions) and run the patched ruby
>> script ... I've done this for like online meta table merges ... but
>> not with hbck.
>>
>> So - yes, that might be your solve. Good luck!
>> --S
>>
>> On Mon, Jul 2, 2012 at 4:44 PM, Bryan Beaudreault
>> <[EMAIL PROTECTED]> wrote:
>> > I'm on cdh3u2 to be precise.  I don't have the fixMeta option, or any
>> other
>> > special fix options aside from the basic -fix.
>> >
>> > I'll take a look at what 0.90.6 version does when it fixes meta.  Maybe
>> I
>> > can just follow what it does there.
>> >
>> > Thanks again!
>> >
>> > On Mon, Jul 2, 2012 at 7:36 PM, Suraj Varma <[EMAIL PROTECTED]>
>> wrote:
>> >
>> >> Are you using apache hbase 0.90.4 ... or the one from CDH3?
>> >> Check what other hbck options you have (do you have -fixMeta?) on the
>> >> version you are on.
>> >>
>> >> What the uber-hbck (part of hbase-0.90.6 and later releases) does is
>> >> "automate" this meta table surgery to fix the issue.
>> >>
>> >> I will let folks who have tried other repair options respond to you.
>> >> --S
>> >>
>> >> On Mon, Jul 2, 2012 at 4:24 PM, Bryan Beaudreault
>> >> <[EMAIL PROTECTED]> wrote:
>> >> > Thanks for the response.
>> >> >
>> >> > hbck consistently shows 7 inconsistencies.  I tried -fix (a few
>> times)
>> >> and
>> >> > it didn't seem to fix it.  I tried -details and it does seem to
>> print out
>> >> > more, but nothing super usable from what I can tell.
>> >> >
>> >> > On Mon, Jul 2, 2012 at 6:32 PM, Suraj Varma <[EMAIL PROTECTED]>
>> wrote:
>> >> >
>> >> >> Try doing an hbase hbck to see if it reports inconsistency. And do
>> an
>> >> >> hbase hbck -fix to see if it fixes it for you. See
>> >> >> http://hbase.apache.org/book.html#hbck.in.depth
>> >> >>
>> >> >> Note that since 0.90.4 is old, some of the documented options won't
>> be
>> >> >> available ... but hbase hbck -fix will be available.
>> >> >> --S
>> >> >>
>> >> >> On Mon, Jul 2, 2012 at 7:34 AM, Bryan Beaudreault
>> >> >> <[EMAIL PROTECTED]> wrote:
>> >> >> > Hey all,
>> >> >> >
>> >> >> > I'm running hbase 0.90.4, and somehow the regions for one of my
>> tables
>> >> >> have
>> >> >> > become unlinked from the table itself.  The Master UI shows no
>> regions
>> >> >> for
>> >> >> > the table, and attempting to call Table.getRegionsInfo() returns
>> >> nothing.
>> >> >> >  However, I can see the regions in hdfs in their proper location
>> and
>> >> >> doing
>> >> >> > a scan of the table via the hbase shell does return results.  I
>> also
>> >> get
>> >> >> > results if I do a Get for a specific rowkey.
>> >> >> >
>> >> >> > How can I get these regions back associated with the table, and
>> any
>> >> idea
>> >> >> > why this may have happened?  I tried grepping the hmaster logs but
>> >> didn't
>> >> >> > see anything relevant.
>> >> >> >
>> >> >> > Thanks!
>> >> >> >
>> >> >> > Bryan
>> >> >>
>> >>
>>
>
>
>
> --
> Kevin O'Dell
> Customer Operations Engineer, Cloudera
>

--
Kevin O'Dell
Customer Operations Engineer, Cloudera
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB