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From Sean Busbey <bus...@cloudera.com>
Subject Re: Hbase customize filter versioning
Date Wed, 19 Aug 2015 04:30:25 GMT
you will save yourself a large amount of operational headache if you just
rely on doing a rolling restart to deploy changes.

See https://issues.apache.org/jira/browse/HBASE-13907 for some discussion.

On Tue, Aug 18, 2015 at 10:00 PM, hongbin ma <mahongbin@apache.org> wrote:

> hi, experts,
> We're trying to develop a customized filter for our hbase tables, and the
> filter may still undergo many changes.
> We found a solved issue(https://issues.apache.org/jira/browse/HBASE-1936)
> that allows to upload customized filters without needing to restart the
> region servers, However there're some limitations as it describes:
> *However, if a filter class is already loaded, it won't be un-loaded.
> Therefore, we can't load a new version of an existing class. Users have to
> have a proper way to do filter class versioning.*
> Our​ question is, what is the existing options for filter class versioning
> if we do not want to restart region severs during filter upgrading? The
> only option I can think of is to add suffix/prefix to different versions of
> Filters, like MyFilterV1, MyFilterV2..
> Any advices?
> --
> Regards,
> *Bin Mahone | 马洪宾*
> Apache Kylin: http://kylin.io
> Github: https://github.com/binmahone


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