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
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.
>>
>
> t
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
Hi pgsql-hackers,
Thank you again for all these replies. I have started working under this
project
and learnt a lot of new stuff last month, so here are some new thoughts
about
ERRORS handling in COPY. I decided to stick to the same thread, since it
has a neutral subject.
(1) One of my mentors--A
Hi Alexander!
I've missed your reply, since proposal submission deadline have passed last
Monday and I didn't check hackers mailing list too frequently.
(1) It seems that starting new subtransaction at step 4 is not necessary.
We can just gather all error lines in one pass and at the end of input