Re: [psycopg] speed concerns with executemany()

On 01/02/2017 05:05 AM, Daniele Varrazzo wrote:
> On Sun, Jan 1, 2017 at 9:33 PM, Adrian Klaver <adrian.klaver@aklaver.com> wrote:
>
>> Same code across network, client in Bellingham WA, server in Fremont CA:
>>
>> Without autocommit:
>>
>> In [51]: %timeit -n 10 cur.executemany(sql, l)
>> 10 loops, best of 3: 8.22 s per loop
>>
>>
>> With autocommit:
>>
>> In [56]: %timeit -n 10 cur.executemany(sql, l)
>> 10 loops, best of 3: 8.38 s per loop
>
> Adrian, have you got a benchmark "classic vs. joined" on remote
> network? Thank you.

With NRECS=10000 and page size=100:

aklaver@tito:~> python psycopg_executemany.py -p 100
classic: 427.618795156 sec
joined: 7.55754685402 sec

>
> -- Daniele
>


--
Adrian Klaver
adrian.klaver@aklaver.com