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From Lukáš Drbal <lukas.dr...@gmail.com>
Subject Re: Region in Transition
Date Mon, 15 Oct 2012 16:09:29 GMT
Wow, its perfect "hack" but what about "exists" rows?
For example when i have saved new version from row in /hbase i can't
replace it from /hbase.old

Thanks for time

Lukas

2012/10/15 Kevin O'dell <kevin.odell@cloudera.com>:
> Lukas,
>
>   A little trick you can use is to just copy the table directories into
> your new /hbase dir and then use:
>
> hbck -fixMeta -fixAssignments
>
> This will pull in the tables into your new empty META.  If once you do this
> Regions get stuck in transition again, you have bigger problems.
>
> On Mon, Oct 15, 2012 at 11:48 AM, Lukáš Drbal <lukas.drbal@gmail.com> wrote:
>
>> Hi again.
>>
>> > Does FSCK come back clean?  Are those the regions showing in transition?
>> >  We are not going to be able to get a clear idea of what to do next until
>> > we gather some more data.  At this point running repairs could put your
>> > data in jeopardy.
>>
>>
>> Ye, this is in transition, but from hadoop fsck are all ok and
>> consistent - reported only 14 undereplicated blocks from another
>> directory (not /hbase).
>>
>> I must bring cluster back online, so i move /hbase on hdfs to
>> /hbase.old and start clear cluster with new tables :(
>>
>> Can you give me please any suggestion how i can put data from old
>> files to new tables?
>>
>> Thanks
>>
>> My today's night will be very long :(
>>
>> Lukas
>>
>> >
>> > On Mon, Oct 15, 2012 at 10:58 AM, Lukáš Drbal <lukas.drbal@gmail.com>
>> wrote:
>> >
>> >> Kevin,
>> >>
>> >> Its more than one hour and region are still in transition.
>> >> Here is output from hbck -detailed http://pastebin.com/f9wLx9LU
>> >>
>> >> Thanks for time
>> >>
>> >> Lukas
>> >>
>> >> 2012/10/15 Kevin O'dell <kevin.odell@cloudera.com>:
>> >> > Lukas,
>> >> >
>> >> >   Sure, how long has it been since the restart?  You will need to give
>> >> the
>> >> > regions time to transition and logs time to split.  Did the region
>> >> > in transition properly?  Can you please out a pastebin together of
>> hbck
>> >> > -details full output so that I can take a look at it.  Once I have
>> >> reviewed
>> >> > it, I should be able to provide you with a plan to out this back
>> >> together.
>> >> >
>> >> > On Mon, Oct 15, 2012 at 10:24 AM, Lukáš Drbal <lukas.drbal@gmail.com>
>> >> wrote:
>> >> >
>> >> >> Hello Kevin,
>> >> >>
>> >> >> thanks for response. I clear it now and start cluster, but now
i have
>> >> >> many other's regions :(
>> >> >> Here is output from hbase hbck -fixmeta
>> >> >> http://pastebin.com/HqsPVLMi
>> >> >>
>> >> >> Any next hint?
>> >> >>
>> >> >> Thanks a lot
>> >> >>
>> >> >> 2012/10/15 Kevin O'dell <kevin.odell@cloudera.com>:
>> >> >> > Have you tried clearing out your Znode information?  Typically,
>> when I
>> >> >> have
>> >> >> > encountered a RIT, we will bring down HBase and go to the
ZKcli and
>> >> clear
>> >> >> > out /hbase.  What do you see in the logs pertaining to the
region?
>> >>  If it
>> >> >> > is a region that has bad hfiles or something like that you
will
>> not be
>> >> >> able
>> >> >> > to easily get rid of it through clearing out the ZK.
>> >> >> >
>> >> >> > On Mon, Oct 15, 2012 at 8:59 AM, Lukáš Drbal <
>> lukas.drbal@gmail.com>
>> >> >> wrote:
>> >> >> >
>> >> >> >> Oh sorry. My HBase version is 0.94.1 and hadoop 1.0.3
>> >> >> >>
>> >> >> >> I found this in master log http://pastebin.com/CYt5PZCL
and this
>> >> line
>> >> >> >> are repeated for all region servers.
>> >> >> >>
>> >> >> >> Can someone help me please?
>> >> >> >>
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> > --
>> >> >> > Kevin O'Dell
>> >> >> > Customer Operations Engineer, Cloudera
>> >> >>
>> >> >>
>> >> >>
>> >> >> --
>> >> >> Save The World - http://www.worldcommunitygrid.org/
>> >> >>
>> http://www.worldcommunitygrid.org/stat/viewMemberInfo.do?userName=LesTR
>> >> >>
>> >> >> LesTR
>> >> >>
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > Kevin O'Dell
>> >> > Customer Operations Engineer, Cloudera
>> >>
>> >>
>> >>
>> >> --
>> >> Save The World - http://www.worldcommunitygrid.org/
>> >> http://www.worldcommunitygrid.org/stat/viewMemberInfo.do?userName=LesTR
>> >>
>> >> LesTR
>> >>
>> >
>> >
>> >
>> > --
>> > Kevin O'Dell
>> > Customer Operations Engineer, Cloudera
>>
>>
>>
>> --
>> Save The World - http://www.worldcommunitygrid.org/
>> http://www.worldcommunitygrid.org/stat/viewMemberInfo.do?userName=LesTR
>>
>> LesTR
>>
>
>
>
> --
> Kevin O'Dell
> Customer Operations Engineer, Cloudera



-- 
Save The World - http://www.worldcommunitygrid.org/
http://www.worldcommunitygrid.org/stat/viewMemberInfo.do?userName=LesTR

LesTR

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