Re: [Mojolicious] Re: Connections pool to Redis for Mojo
The problem I have with shared connections is that I have no idea how to do
transactions over them. I don't think it's possible. Often in Redis, people
only do atomic operations anyway, so it shouldn't be a problem.
"I have a bad feeling about this" :)
My case could be different as well, since "connect" is very cheap in my
setup. (Redis on the same server as Mojo without AUTH).
On Thursday, October 2, 2014 10:23:57 PM UTC+2, Alberto Mijares wrote:
>
> Thank you Jan.
>
> I'll give a try. Anyway, why don't you like shared connections? I
> think it's a way to avoid the overhead of TCP, do you have a better
> approach?
>
> Regards,
>
>
> Alberto Mijares
>
>
>
> On Thu, Oct 2, 2014 at 7:57 AM, Jan Henning Thorsen
> wrote:
> > Hi,
> >
> > I'm not sure how to do that. You could create a shared connection in
> each
> > fork and then re-use that, but I have no idea how that would actually
> work.
> >
> > helper redis => sub {
> > my $c = shift;
> > $c->app->defaults->{redis} ||= Mojo::Redis2->new;
> > };
> >
> > I've never tried that myself (since I don't like sharing connections
> between
> > requests), but it should work if you're only doing simple things like
> > get/set/...
> >
> > Mojo::Redis2 doesn't have a pool, but it has a single connection pr
> > operation type: blocking/non-blocking/pubsub/...
> >
> > Patches are welcome though :) (I've written Mojo::Redis2 and contributed
> to
> > Mojo::Redis)
> >
> >
> > On Wednesday, October 1, 2014 9:09:51 PM UTC+2, Alberto Mijares wrote:
> >>
> >> Hi list,
> >>
> >> I'd like to keep a fixed number of open connections to Redis and each
> >> time the app is reached by a request, the query is send using one of
> >> these previously opened connections.
> >>
> >> Can you give me some ideas on how to achieve this in the Mojo way? Any
> >> reference?
> >>
> >> Thanks in advance,
> >>
> >> Alberto Mijares
> >
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Re: [Mojolicious] Re: Connections pool to Redis for Mojo
Thank you Jan.
I'll give a try. Anyway, why don't you like shared connections? I
think it's a way to avoid the overhead of TCP, do you have a better
approach?
Regards,
Alberto Mijares
On Thu, Oct 2, 2014 at 7:57 AM, Jan Henning Thorsen
wrote:
> Hi,
>
> I'm not sure how to do that. You could create a shared connection in each
> fork and then re-use that, but I have no idea how that would actually work.
>
> helper redis => sub {
> my $c = shift;
> $c->app->defaults->{redis} ||= Mojo::Redis2->new;
> };
>
> I've never tried that myself (since I don't like sharing connections between
> requests), but it should work if you're only doing simple things like
> get/set/...
>
> Mojo::Redis2 doesn't have a pool, but it has a single connection pr
> operation type: blocking/non-blocking/pubsub/...
>
> Patches are welcome though :) (I've written Mojo::Redis2 and contributed to
> Mojo::Redis)
>
>
> On Wednesday, October 1, 2014 9:09:51 PM UTC+2, Alberto Mijares wrote:
>>
>> Hi list,
>>
>> I'd like to keep a fixed number of open connections to Redis and each
>> time the app is reached by a request, the query is send using one of
>> these previously opened connections.
>>
>> Can you give me some ideas on how to achieve this in the Mojo way? Any
>> reference?
>>
>> Thanks in advance,
>>
>> Alberto Mijares
>
> --
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[Mojolicious] Re: Connections pool to Redis for Mojo
Hi,
I'm not sure how to do that. You could create a shared connection in each
fork and then re-use that, but I have no idea how that would actually work.
helper redis => sub {
my $c = shift;
$c->app->defaults->{redis} ||= Mojo::Redis2->new;
};
I've never tried that myself (since I don't like sharing connections
between requests), but it should work if you're only doing simple things
like get/set/...
Mojo::Redis2 doesn't have a pool, but it has a single connection pr
operation type: blocking/non-blocking/pubsub/...
Patches are welcome though :) (I've written Mojo::Redis2 and contributed to
Mojo::Redis)
On Wednesday, October 1, 2014 9:09:51 PM UTC+2, Alberto Mijares wrote:
>
> Hi list,
>
> I'd like to keep a fixed number of open connections to Redis and each
> time the app is reached by a request, the query is send using one of
> these previously opened connections.
>
> Can you give me some ideas on how to achieve this in the Mojo way? Any
> reference?
>
> Thanks in advance,
>
> Alberto Mijares
>
--
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