hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Elliott Clark <ecl...@apache.org>
Subject Re: [DISCUSS] No regions on Master node in 2.0
Date Fri, 08 Apr 2016 16:09:38 GMT
Let me put it this way: Removing meta fixes no issues seen from day to day
operations, but makes worse just about everything that has been an issue on
loaded clusters.

On Fri, Apr 8, 2016 at 9:05 AM, Elliott Clark <eclark@apache.org> wrote:

>
> On Fri, Apr 8, 2016 at 8:59 AM, Matteo Bertozzi <theo.bertozzi@gmail.com>
> wrote:
>
>> You are still thinking at meta used as a state machine.
>> to simplify, meta should just be: region:location
>>
>> not being able to access meta only means that we can't publish
>> to the client the new location of the region.
>> when meta will be available, that location will be published.
>>
>> what you are thinking about for meta on the master is "the state".
>> and with proc-v2 we have that state on the master.
>>
>
> No, writing to meta is be how we publish the state to clients. That
> operation will always be more reliable if we don't have to go over rpc.
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message