Simple threading question

[mat h]

Well the simple answer is they dont, check you php-fpm settings (if
using dynamic process manager then threads = in use not spare etc)

On Mon, Sep 27, 2010 at 4:50 PM, Ankur Gupta <ankur655 at gmail.com> wrote:
> I can change the number of threads but my question is something completely
> orthogonal to what you replied.  Why did the two server requests to php-fpm
> get serialized and not happen in parallel even though there are enough
> worker threads?
>
> On Sun, Sep 26, 2010 at 11:17 PM, mat h <mat999 at gmail.com> wrote:
>>
>> nginx doesnt need 100+ threads, it uses an event worker model. Set
>> your worker_processes to something more reasonable. If you are trying
>> to handle 150 requests then you really only need a single worker.
>>
>> On Mon, Sep 27, 2010 at 4:05 PM, Ankur Gupta <ankur655 at gmail.com> wrote:
>> > Hi,
>> >
>> > I have a bunch of nginx and php-fpm worker threads.  I am running a
>> > very simple test with a script doing: <? sleep(20); ?>.  I notice that
>> > if I make two requests at the same time (from the same IP address), they
>> > get
>> > serialized on the
>> > php-fpm side and have a twenty second differential.  Why would this
>> > happen and the two requests not get processed in parallel when there
>> > are an abundant number of threads?  Here are the two requests in the
>> > slow log file and they have a twenty second difference:
>> >
>> > Sep 26 19:02:38.177091 pid 13597 (pool default)
>> > script_filename = /var/www/test1/test.php
>> > [0x00000000095b5280] sleep() /var/www/test1/test.php:2
>> >
>> > Sep 26 19:02:58.321560 pid 13609 (pool default)
>> > script_filename = /var/www/test1/test.php
>> > [0x000000000942a890] sleep() /var/www/test1/test.php:2
>> >
>> > I have 100+ nginx threads
>> > $ ps -afe | grep nginx | wc -l
>> > 120
>> >
>> > and 150 php-fpm threads
>> > $ ps -afe | grep php-fpm | wc -l
>> > 150
>> >
>> >
>> > Thanks,
>> > Ankur
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>> >
>> >
>>
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