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Posted to issues@hbase.apache.org by "Bo Cui (Jira)" <ji...@apache.org> on 2019/11/30 02:37:00 UTC

[jira] [Created] (HBASE-23353) MOB throws FileNotFound

Bo Cui created HBASE-23353:
------------------------------

             Summary: MOB throws FileNotFound
                 Key: HBASE-23353
                 URL: https://issues.apache.org/jira/browse/HBASE-23353
             Project: HBase
          Issue Type: Bug
          Components: mob
    Affects Versions: 2.2.2, 2.1.1, 1.3.1
            Reporter: Bo Cui
         Attachments: image-2019-11-30-10-19-03-625.png, image-2019-11-30-10-23-44-540.png, image-2019-11-30-10-27-57-345.png, image-2019-11-30-10-30-33-243.png, image-2019-11-30-10-33-00-867.png

in PartitionedMobCompactor#bulkloadRefFile

If region num is changed from 1 to 20

bulkload will fail and we will get an exception 

!image-2019-11-30-10-30-33-243.png!

and then delete bulkload path and new MobFile,

old mob file is not deleted. 

but some hfiles have been successfully loaded through bulkload and not deleted.

!image-2019-11-30-10-27-57-345.png!

And then,,,, get rowkey,,,,throw filenotfound

solution : write multiple hfiles and reduce split hfiles. because the data of scanner is ordered，we just need to open a hfile at the same time, when the current data dose not belong to the current hfile, we can close hfile and create new hfile.

!image-2019-11-30-10-33-00-867.png!

 



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