Redis sessions, cache & queues

rafaucau

Hari If it is possible to set up a cron on your hosting that allows you to run tasks without a timeout. Then you can use the method I mentioned earlier: rafaucau

This script checks if the queue process is running, if not, it starts it. This way, when the process crashes, cron will restart it.
I use it on my forum because I don't have the possibility to manage processes there.

I think that if you have such a possibility on your hosting, it is better to use Redis queue than the database queue because of better performance.

Ffuser1

rafaucau does installing this extension install redis or you have to install redis separately

Hari

rafaucau you have replied to me earlier but at that moment i thought i don't need redies queue.. currently, i am using an extension it badly needs a queue so now re-visiting 😂. thanks for mentioning it again, that really helps my situation. i will keep you posted

Ffuser1 you need to install Redis first, once go through readme. in my case, i have enabled it at cloudways dashboard

Hari

rafaucau If you don't have full access on the server because you have shared hosting, for example, then you can still use Redis Queue.
What I did was to set up a cron for such a script:

#set -x

queue=`ps -aux | grep "flarum queue:work" | grep -v grep`
if [[ -z $queue ]]; then
while true :
	do
		[[ -z $queue ]] && { php flarum queue:work; }
	done
else
exit 0
fi

rafaucau

I've tried to update the same at the advanced corn job area but it is showing some error, I think we need to modify it for my need 😊 could you please help me? my forum is in the subdirectory

matteocontrini

Hello, I noticed that when Redis is unavailable the forum fails to load even if only the queue feature is enabled. Is this the expected behaviour? I'm pretty sure it wasn't like that in the past, and I would expect this to happen only when enabling also the cache. Thanks.

luceos

matteocontrini I don't know how it worked before. Some logic of queues was moved to core so that might have had an impact too. Honestly I rather have Flarum fail sooner than later when dealing with queues.

qooba

rafaucau did you manage to use different database for each service on dhosting.pl

rafaucau

qooba Yes

return [
    (new Blomstra\Redis\Extend\Redis([
        'scheme' => 'unix',
        'path' => '/home/klient.dhosting.pl/*********/.redis/redis.sock',
        'port' => 0,
        'database' => 1
    ]))
    ->useDatabaseWith('cache', 0)
    ->useDatabaseWith('queue', 1)
    ->useDatabaseWith('session', 2)
];

matteocontrini

luceos to be honest I don't expect caching and queues offloading to bring down an entire application 😅 for example, Redis Cache is resilient to that. Anyway, it's ok 🙂

qooba

rafaucau thanks a lot, works like charm, still have those issue with cache purge by ssh ?
Where I can reach you in PM ? have some questions about some features at your site...

rafaucau

qooba till have those issue with cache purge by ssh ?

Yes, this hosting has separate servers for SSH and HTTP and SSH does not have access to Redis.

qooba Where I can reach you in PM ? have some questions about some features at your site...

For example, on my forum. We have the fof/bybou extension installed there. But if you have questions about sharing some of our functionality I can't do that, because a lot of it has to remain unique to our forum.

qooba

I need to disable any other plugin to restore proper notify icon (ButtonGroup Dropdown dropdown NotificationsDropdown itemCount0) display using redis ?

when I disable redis cache this icon displays properly with numbers...

hepaly

qooba I have the same issue. The notification counter works well, after i disable redis.

Hari

how can i run this extension in plesk?

i have mentioned the extension name in the composer file but as Plesk asks to run Redis using a docker i don't know how to configure this for flarum Redis could you suggest the settings bitnami/redis

Geraldlzc

matteocontrini WorkingDirectory、ExecStart, I don't know how to configure these two parameters. Can you tell me.

matteocontrini

Geraldlzc what's your environment? Is it a hosting? Or a server where you installed PHP, etc.?

Geraldlzc

matteocontrini CentOS, PHP, Apache

flarum: /www/www/flarum
php: /www/server/php/73

Thank you for your answer. 😃

matteocontrini

Geraldlzc then the working directory is /www/www/flarum and the exec start probably something like /www/server/php/73/php flarum queue:work

Teddan

luceos

I encountered problems that the queue atomatically stops by itself even i didn't use composer command.
I runphp flarum queue:work and stay for long time to see what happened. For most of time it is processed. But I also noticed it will have Falied and KILLED after a very long running, just like this:

I am using the figuration as this one
return [ (new Blomstra\Redis\Extend\Redis([ 'host' => '127.0.0.1', 'password' => null, 'port' => 6379, 'database' => 1, ])) ->useDatabaseWith('cache', 1) ->useDatabaseWith('queue', 2) ->useDatabaseWith('session', 3) ];

Not sure if it's the problem on Richembeds or ther things that I may did wrong. And I don't see anything in error logs that is related

luceos

Teddan when a task fails the queue should continue. How are you running the queue exactly? Is it daemonized?

PS check /var/spool/mail/root your server is set up to log errors there.

Teddan

luceos ohhh I see . I daemonized the cron job before , i thought they are the same 😅
Now I set up the deamonized as the post above:https://discuss.flarum.org/d/21873-redis-sessions-cache-queues/170

The supervisor is active now.

Thanks for your help!! 🤣 🤣 🤣

luceos

Teddan this stuff gets complicated really fast 🙈 Good job for figuring it out!

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