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Posted to user@hbase.apache.org by Neil Yalowitz <ne...@gmail.com> on 2012/01/12 23:44:10 UTC

upgrade 0.90 to 0.92 - HFile v2

Is anyone familiar with the upgrade path from HBase 0.90 to 0.92 or greater?

Specifically, is there a way to upgrade the existing HFiles to v2, or
should this not be attempted?

Re: upgrade 0.90 to 0.92 - HFile v2

Posted by Stack <st...@duboce.net>.

On Thu, Jan 12, 2012 at 2:44 PM, Neil Yalowitz <ne...@gmail.com> wrote:
> Is anyone familiar with the upgrade path from HBase 0.90 to 0.92 or greater?
>
> Specifically, is there a way to upgrade the existing HFiles to v2, or
> should this not be attempted?

0.92.0 will do it for you.  It can read v1 and v2.  Any v1s are
converted to v2 when a compaction runs.
St.Ack

Re: upgrade 0.90 to 0.92 - HFile v2

Posted by Jean-Daniel Cryans <jd...@apache.org>.

It's automatic when you start with the 0.92 binaries and it does a
compaction. There's no rollback.

Stack is supposed to be writing the upgrade documentation (no pressure
dude! wink wink)

J-D

On Thu, Jan 12, 2012 at 2:44 PM, Neil Yalowitz <ne...@gmail.com> wrote:
> Is anyone familiar with the upgrade path from HBase 0.90 to 0.92 or greater?
>
> Specifically, is there a way to upgrade the existing HFiles to v2, or
> should this not be attempted?