[pgpool-general: 3761] Re: deprecation of 'parallel query' feature

[Tatsuo Ishii]

> Hi Tatsuo,
> 
> I understand. I'm looking at the comments Alex Toth made. I takes more
> study to get it working, and I don't know yet
> whether one can connect to the backend nodes directly, like with
> pgpool is possible.
> 
> Do you have a rough estimate how long the 'parallel query' code will
> be part of the package code?

I would say at least 3 years. We support old releases up to 3.0 for
now and 3.0 was initialy released in 2010. So we have a record that we
are maintaing old releases for 4-5 years. But I don't want to promise
5 years:-).

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp

> Regards, Wim
> 
> On 05/22/2015 01:16 AM, Tatsuo Ishii wrote:
>> Unfortunately the development resource of pgpool-II is limited (this
>> is not uncommon in all open source projects). Also companies that are
>> helping the project do not have any customer who are using the
>> parallel query feature. So developers need to "triage" the priority.
>>
>> Sorry for this.
>>
>> Best regards,
>> --
>> Tatsuo Ishii
>> SRA OSS, Inc. Japan
>> English: http://www.sraoss.co.jp/index_en.php
>> Japanese:http://www.sraoss.co.jp
>>
>>> Hi,
>>>
>>> Recently I read http://www.pgpool.net/docs/latest/pgpool-en.html
>>>
>>> There I read that the 'parallel query' feature will not be supported
>>> anymore in the future.
>>>
>>> I would appreciate reconsidering this decision, because I'm using the
>>> feature in my projects.
>>>
>>> I use it to have a geographical data base, partioned across a number
>>> (about 10) of database hosts.
>>>
>>> The data is accessed through python psycopg2.
>>> Some queries are done through the pgpool instance (some global
>>> searches and the final exports).
>>>
>>> Most operations (import, manipulations) however are done through
>>> connections directly to the backend hosts.
>>> So I don't mind whether performance through pgpool is not very high.
>>>
>>> I would appreciate the parallel query is still available in future
>>> versions.
>>>
>>> Regards, Wim Nederend
>>>
>>>
>>> _______________________________________________
>>> pgpool-general mailing list
>>> pgpool-general at pgpool.net
>>> http://www.pgpool.net/mailman/listinfo/pgpool-general