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https://issues.apache.org/jira/browse/HBASE-7704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622751#comment-13622751
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Himanshu Vashishtha commented on HBASE-7704:
--------------------------------------------
Did the nits. Made the executor a local parameter and passed it along.
Output:
a) When there is no hfile v1, or corrupted file in the root.dir:
{code}
./bin/hbase org.apache.hadoop.hbase.util.HFileV1Detector
No HFile V1 Found
{code}
b) When there is a hfile v1 and a corrupted file in the target directory
{code}
./bin/hbase org.apache.hadoop.hbase.util.HFileV1Detector -p /hbase
Following regions has HFileV1 and needs to be Major Compacted:
hdfs://localhost:41020/hbase/usertable/fa02dac1f38d03577bd0f7e666f12812
hdfs://localhost:41020/hbase/usertable/ecdd3eaee2d2fcf8184ac025555bb2af
Following HFileV1 are found:
hdfs://localhost:41020/hbase/usertable/fa02dac1f38d03577bd0f7e666f12812/family/249450144068442524
hdfs://localhost:41020/hbase/usertable/ecdd3eaee2d2fcf8184ac025555bb2af/family/249450144068442524
Following HFiles are corrupted as their version is unknown:
hdfs://localhost:41020/hbase/usertable/fa02dac1f38d03577bd0f7e666f12812/family/1
{code}
Help section usage is in the previous comment. Added Class level docs on how to
use it.
bq. List<Future<Path>> l
Yea, it can be better. Can you please suggest some. Thanks.
> migration tool that checks presence of HFile V1 files
> -----------------------------------------------------
>
> Key: HBASE-7704
> URL: https://issues.apache.org/jira/browse/HBASE-7704
> Project: HBase
> Issue Type: Task
> Reporter: Ted Yu
> Assignee: Himanshu Vashishtha
> Priority: Blocker
> Fix For: 0.95.1
>
> Attachments: HBase-7704-v1.patch, HBase-7704-v2.patch
>
>
> Below was Stack's comment from HBASE-7660:
> Regards the migration 'tool', or 'tool' to check for presence of v1 files, I
> imagine it as an addition to the hfile tool
> http://hbase.apache.org/book.html#hfile_tool2 The hfile tool already takes a
> bunch of args including printing out meta. We could add an option to print
> out version only – or return 1 if version 1 or some such – and then do a bit
> of code to just list all hfiles and run this script against each. Could MR it
> if too many files.
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