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From Marc Hoppins <marc.hopp...@eset.sk>
Subject RE: HBASE WALs
Date Thu, 25 Feb 2021 15:59:40 GMT
2.1.0

-----Original Message-----
From: Wellington Chevreuil <wellington.chevreuil@gmail.com> 
Sent: Thursday, February 25, 2021 4:08 PM
To: Hbase-User <user@hbase.apache.org>
Subject: Re: HBASE WALs

EXTERNAL

>
> Do WAL files contain information for multiple regions per WAL or is 
> one WAL associated with one region?
>
Multiple regions edits would be present in a single wal file. That's why upon a RS crash and
wal processing, there's a wal split phase.

I am trying to find a way to clear a RIT for a disabled table. A similar
> problem (but on a test cluster) involved me clearing znode info, 
> deleting HDFS data for the table and deleting WALs/MasterProcWAL 
> files, finally restarting HBASE service.
>
Which hbase version are you on?

Em qui., 25 de fev. de 2021 às 11:51, Marc Hoppins <marc.hoppins@eset.sk>
escreveu:

> Hi all,
>
> Do WAL files contain information for multiple regions per WAL or is 
> one WAL associated with one region?
>
> I am trying to find a way to clear a RIT for a disabled table. A 
> similar problem (but on a test cluster) involved me clearing znode 
> info, deleting HDFS data for the table and deleting WALs/MasterProcWAL 
> files, finally restarting HBASE service.
>
> Table cannot be enabled.
>
> Multiple locks exist for DISABLE/ENABLE/UNASSIGN but the system seems 
> mostly unhappy with one region in particular, and is reporting on that.
>
> There are many tables that are very active so I don't think it is 
> possible to stop the entire service without a lot of forewarning to users.
>
> Thanks in advance.
>
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