> On 11 Aug 2017, at 20:07, Robert Haas wrote:
>
> On Fri, Aug 11, 2017 at 9:55 AM, Alex K wrote:
>> - I have used both Latch and ConditionalVariable for the same
>> purpose–wait until some signal
>> occurs–and for me as an end user they perform quite similar. I
>> looked into the condition_var
On Fri, Aug 11, 2017 at 9:55 AM, Alex K wrote:
> - I have used both Latch and ConditionalVariable for the same
> purpose–wait until some signal
> occurs–and for me as an end user they perform quite similar. I
> looked into the condition_variable.c
> code and it uses Latch and SpinLock under th
Greetings pgsql-hackers,
I have completed the general infrastructure for parallel COPY FROM execution,
consisting of Main (master) process and multiple BGWorkers connected with master
using a personal message query (shm_mq).
Master process does:
- Dynamic shared memory allocation with parallel st
2017-06-30 15:45 GMT+02:00 Pavel Stehule :
>
>
> 2017-06-30 15:42 GMT+02:00 Alex K :
>
>> On Fri, Jun 30, 2017 at 3:35 PM, Pavel Stehule
>> wrote:
>> >
>> >
>> > 2017-06-30 14:23 GMT+02:00 Alex K :
>> >>
>> >> Thus, it results in a ~60% performance boost per each x2
>> multiplication of
>> >> par
2017-06-30 15:42 GMT+02:00 Alex K :
> On Fri, Jun 30, 2017 at 3:35 PM, Pavel Stehule
> wrote:
> >
> >
> > 2017-06-30 14:23 GMT+02:00 Alex K :
> >>
> >> Thus, it results in a ~60% performance boost per each x2 multiplication
> of
> >> parallel processes, which is consistent with the initial estima
On Fri, Jun 30, 2017 at 3:35 PM, Pavel Stehule wrote:
>
>
> 2017-06-30 14:23 GMT+02:00 Alex K :
>>
>> Thus, it results in a ~60% performance boost per each x2 multiplication of
>> parallel processes, which is consistent with the initial estimation.
>>
>
> the important use case is big table with l
2017-06-30 14:23 GMT+02:00 Alex K :
> Greetings pgsql-hackers,
>
> I am a GSOC student this year, my initial proposal has been discussed
> in the following thread
> https://www.postgresql.org/message-id/flat/7179F2FD-49CE-
> 4093-AE14-1B26C5DFB0DA%40gmail.com
>
> Patch with COPY FROM errors handli
Greetings pgsql-hackers,
I am a GSOC student this year, my initial proposal has been discussed
in the following thread
https://www.postgresql.org/message-id/flat/7179F2FD-49CE-4093-AE14-1B26C5DFB0DA%40gmail.com
Patch with COPY FROM errors handling seems to be quite finished, so
I have started thi
