I'd recommend dropping the SYSTEM.SEQUENCE table from the HBase shell
(instead of deleting the folder in HDFS). Everything else sounded
fine, but make sure to bounce your cluster and restart your clients
after doing this.

Thanks,
James

On Thu, Feb 26, 2015 at 12:28 PM, Vamsi Krishna <vamsi.attl...@gmail.com> wrote:
> Hi,
>
> From phoenix archives I see that we can drop SYSTEM.SEQUENCE table and set
> 'phoenix.sequence.saltBuckets' property to '1' to see the SYSTEM.SEQUENCE
> table recreated with 1 salt bucket on cluster restart.
> Reference:
> http://mail-archives.apache.org/mod_mbox/incubator-phoenix-user/201412.mbox/%3ccaaf1jdi4svigfnqy0h45pm2yhiqinpbphgj3ov69qb6dfvw...@mail.gmail.com%3E
>
> But, we are not able to drop the SYSTEM.SEQUENCE table.
> We are seeing the following error when we try to drop the table:
> DROP TABLE SYSTEM."SEQUENCE";
> Error: ERROR 1010 (42M01): Not allowed to mutate table.
> tableName=SYSTEM.SEQUENCE (state=42M01,code=1010)
>
> How to drop SYSTEM.SEQUENCE table?
>
> Can we delete "default/SYSTEM.SEQUENCE" folder under HBase data directory on
> HDFS and delete the SYSTEM.SEQUENCE meta data from SYSTEM.CATALOG,
> SYSTEM.STATS tables using below belete queries?
>
> delete from SYSTEM.CATALOG where table_name = 'SEQUENCE' and table_schem =
> 'SYSTEM';
> delete from SYSTEM.STATS where physical_name = 'SYSTEM.SEQUENCE';
>
> Will this create any other issues?
>
> Thanks,
> Vamsi Attluri.

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