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 <mahong...@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 > -- Sean
