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https://issues.apache.org/jira/browse/HBASE-2984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926429#action_12926429
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Kannan Muthukkaruppan commented on HBASE-2984:
----------------------------------------------
JD:
Was trying this patch, and ran into an error with Compression/BloomFilter
settings, because family.setBloomFilterType() & family.setCompressionType()
expect enum instead of string.
{code}
hbase(main):006:0> alter 't1', {NAME => 'f1', VERSIONS=> 2, COMPRESSION =>
'LZO'}
alter 't1', {NAME => 'f1', VERSIONS=> 2, COMPRESSION => 'LZO'}
ERROR: for method HColumnDescriptor.setCompressionType expected [class
org.apache.hadoop.hbase.io.hfile.Compression$Algorithm]; got:
[java.lang.String]; error: argument type mismatch
{code}
So the patch currently breaks 'alter' & 'create' from HBase shell if
compression or bloom needs to be specified.
> [shell] Altering a family shouldn't reset to default unchanged attributes
> -------------------------------------------------------------------------
>
> Key: HBASE-2984
> URL: https://issues.apache.org/jira/browse/HBASE-2984
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Priority: Blocker
> Fix For: 0.90.0
>
> Attachments: 2984-meta-offline-fixer.patch, HBASE-2984.patch
>
>
> I changed the replication on a family that was also VERSIONS => 1 and
> COMPRESSION => LZO. I forgot that you have to respecify everything everytime
> you alter a family, so both were reset to 3 and NONE. Then the regions were
> compacted... and it has been splitting for about 20 minutes now. Fortunately
> this is our MR environment so our web site isn't affected, but it's still a
> major pain. Oh and also the table cannot be disabled to be re-altered since
> split parents are always present (I hope it'll stop splitting before
> midnight).
> The shell should use the old values for attributes that aren't changed.
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