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From Siddharth Karandikar <siddharth.karandi...@gmail.com>
Subject Re: export snapshot of cloned table fails
Date Tue, 01 Oct 2013 05:43:10 GMT
Btw, I am running on 0.94.10.

On Tue, Oct 1, 2013 at 11:12 AM, Siddharth Karandikar
<siddharth.karandikar@gmail.com> wrote:
> Hi,
>
> Here is the output of SnapshotInfo
>
> hbase2-bigdata:~/siddharth/tools/hbase-0.94.10 # ./bin/hbase
> org.apache.hadoop.hbase.snapshot.SnapshotInfo
> -Dfs.default.name=hdfs://hbase2-bigdata.vxindia.veritas.com:9000/
> -snapshot CMT2SS1 -files
> Snapshot Info
> ----------------------------------------
>    Name: CMT2SS1
>    Type: FLUSH
>   Table: CMT2
>  Format: 0
> Created: 2013-09-30T07:02:43
>
> Snapshot Files
> ----------------------------------------
>      0.0 CMT2/95d51af133141274fe2f0a9da79247cb/f1/MT2=d1bcc79d7e81c481c287cb1b7f6d78e2-9b57efdf5219495ebd15d0e0b227007c
> 13/09/30 23:41:43 INFO util.FSVisitor: No logs under
> directory:hdfs://hbase2-bigdata.vxindia.veritas.com:9000/hbase/.hbase-snapshot/CMT2SS1/.logs
>
> 1 HFiles (0 in archive), total size 0.0 (NaN% 0.0 shared with the source table)
> 0 Logs, total size 0.0
>
>
>
> Thanks,
> Siddharth
>
> On Mon, Sep 30, 2013 at 7:25 PM, Matteo Bertozzi
> <theo.bertozzi@gmail.com> wrote:
>> The input name looks wrong, not an hfileLink.
>> How that was created?
>> could you dump the snapshots files with hbase
>> org.apache.hadoop.hbase.SnapshotInfo -snapshot NAME -files
>>
>> Matteo
>>
>>
>>
>> On Mon, Sep 30, 2013 at 2:36 PM, Siddharth Karandikar <
>> siddharth.karandikar@gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I have reached a situation where good old ExportSnapshot fails
>>>
>>> Here is what I am doing
>>>
>>> 1) Create table MT2
>>> 2) Take a snapshot of MT2 -> MT2SS1
>>> 3) Export MT2SS1 - works
>>>
>>> 4) Drop MT2, delete MT2SS1 from source system
>>> 5) Export back (import) MT2SS1 - works
>>>
>>> 6) Clone a table using MT2SS1 -> CMT2
>>> 7) Take a snapshot of CMT2 -> CMT2SS1
>>> 8) Export CMT2SS1 - FAILS
>>>
>>> Though the steps look complex, I feel, it is going to be very common
>>> to take snapshot of cloned (restored?) table and export that snapshot.
>>>
>>> Here is the whole output of ExportSnapshot - http://pastebin.com/N1f0Kg1a
>>>
>>>
>>> I think  storeFile (..) in SnapshotReferenceUtil.visitReferencedFiles
>>> is creating a path like
>>>
>>> "f1/CMT2=95d51af133141274fe2f0a9da79247cb-MT2=d1bcc79d7e81c481c287cb1b7f6d78e2-9b57efdf5219495ebd15d0e0b227007c"
>>> which is making it fail later.
>>>
>>>
>>> Thanks,
>>> Siddharth
>>>

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