On Tue, Jun 14, 2011 at 09:27, Jeff Janes <jeff.janes@gmail.com> wrote:
> pgbench sends each query (per connection) and waits for the reply
> before sending another.
We can use -j option to run pgbench in multiple threads to avoid
request starvation. What setting did you use, Stefan?
>> for those curious - the profile for pgbench looks like:
>> samples % symbol name
>> 29378 41.9087 doCustom
>> 17502 24.9672 threadRun
>> 7629 10.8830 pg_strcasecmp
If the bench is bottleneck, it would be better to reduce pg_strcasecmp
calls by holding meta command names as integer values of sub-META_COMMAND
instead of string comparison for each loop.
--
Itagaki Takahiro