Above I made a typo.
Not a pool of connections. I mean pool of subprocesses.
понедельник, 29 августа 2016 г., 22:45:00 UTC+5 пользователь Alexey Stavrov
написал:
>
> For example, server use subpress in controller:
>
> #!/usr/bin/perl
> use Mojo::Base -strict;
>
> use Mojolicious::Lite;
> use Mojo::IOLoop;
>
> any '/' => sub {
> my $c = shift->render_later;
> Mojo::IOLoop->subprocess(
> sub {
> sleep 2;
> },
> sub {
> $c->rendered(200);
> });
> };
>
> app->start;
>
>
> Client create many connections to server and on each connection server
> make fork:
>
> #!/usr/bin/perl
> use Mojo::Base -strict;
>
> use Mojo::IOLoop;
> use Mojo::UserAgent;
>
> my $d = Mojo::IOLoop->delay(sub { say 'finish' });
>
> my @uas;
>
> for (0 .. 800) {
> push @uas, my $ua = Mojo::UserAgent->new;
> $ua->get('http://127.0.0.1:3000' => $d->begin);
> }
>
> $d->wait;
>
>
> So. server have many heavy processes.
> If there was a pool of connections, then this would not be a problem.
>
> понедельник, 29 августа 2016 г., 21:40:02 UTC+5 пользователь sri написал:
>>
>> What about to add pool of subprocesses? Pool would allow to use
>>> subprocesses safely in controllers.
>>>
>>
>> Please elaborate, what exactly makes the current approach unsafe?
>>
>> --
>> sebastian
>>
>
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