Server Load

Wed, 16 Nov 2022 09:02:03 +0100

adminsforum@hubzilla.org

tonnerkiller schrieb den folgenden Beitrag Wed, 16 Nov 2022 09:02:02 +0100

Server Load

I'm getting timeout errors trying to reach my server in the browser, maybe due to connecting to a number of people on Mastodon after they came there from twitter, or maybe due to being on shared hosting.

Anyway I looked into the crontab to see if I can change anything for the better and I ran into a line I do not find in the help files in the server install part, so I guess this is deprecated?

The following line:
*/10 * * * * cd /var/www/virtual/dbzilla/html; /usr/bin/php Zotlabs/Daemon/Master.php Cron 2>&1

Is the line (still) necessary? Could I reduce server load in having it run more or less often? Anyone with experience there?

show all 12 comments

Wed, 16 Nov 2022 09:07:53 +0100

Tanja

tanja@hz.lazyteddy.eu

Is the line (still) necessary?

Yes it is.

See point 8 here:
https://framagit.org/hubzilla/core/blob/master/install/INSTALL.txt

Can't help with the rest, unfortunately.

Wed, 16 Nov 2022 09:08:53 +0100

Mario Vavti

mario@hub.somaton.com

Yes, this line is required.

You might need to tweak your server and database settings...

Wed, 16 Nov 2022 09:52:15 +0100

𝓒𝓱𝓻𝓲𝓼

chris@im.allmendenetz.de

try tweak your server and database settings under /admin/site/

and try to tweak php setting

https://chrismoore.ca/2018/10/finding-the-correct-pm-max-children-settings-for-php-fpm/

Wed, 16 Nov 2022 09:58:56 +0100

Mark Nowiasz

buckaroo@hub.netzgemeinde.eu

Depending on your number of connections, it it's imperative to change the session storage from database (default) to another session provider like files (/tmp) or Redis.

Wed, 16 Nov 2022 10:21:53 +0100

𝓒𝓱𝓻𝓲𝓼

chris@im.allmendenetz.de

@Mark Nowiasz

Depending on your number of connections, it it's imperative to change the session storage from database (default) to another session provider like files (/tmp) or Redis.

how do you do this?

Wed, 16 Nov 2022 10:49:04 +0100

Mark Nowiasz

buckaroo@hub.netzgemeinde.eu

@????? You set it in .htconfig.php, for example (my hubs):

# Session
App::$config['system']['session_custom'] = true;
App::$config['system']['session_save_handler'] = "redis";
App::$config['system']['session_save_path'] = "tcp://127.0.0.1:6379";

Of course, this only works if you've got a Redis running and configured on localhost. You also might have to install the php Redis module.

But /tmp as session storage works fine, but Redis has got an advantage: you can restart php-fpm or reboot the machine without losing sessions.

Wed, 16 Nov 2022 16:05:39 +0100

tonnerkiller

tonnerkiller9200@hub.netzgemeinde.eu

Thank you everyone, I played a bit with the admin settings /though I guess I made things worse as it was reachable for a while but then not any more, let's see, and now I also added the session settings to .htconfig.php as suggested. As I do not have redis, I used the files and it reads now as follows:

App::$config['system']['session_custom'] = true;
App::$config['system']['session_save_handler'] = "files";
App::$config['system']['session_save_path'] = "tmp";

I also created a tmp folder in the root diectory, but it is not being filled...

Anyway, I still wonder about this crontab line:

*/10 * * * * cd /var/www/virtual/dbzilla/html; /usr/bin/php Zotlabs/Daemon/Master.php Cron 2>&1

I certainly didn't come up wit it myself and read it in some setup guide, but I cannot find it any more in te Help files of the web page. So I wonder, is this deprecated and should I delete the line?
What is Master.php actually doing?
I ask especially since I saw settings about cron in the system settings I can set with util/config, and it looked like it didn't need any crontab entry.

Wed, 16 Nov 2022 16:22:54 +0100

Mark Nowiasz

buckaroo@hub.netzgemeinde.eu

@tonnerkiller

App::$config['system']['session_custom'] = true;
App::$config['system']['session_save_handler'] = "files";
App::$config['system']['session_save_path'] = "tmp";

First of all it has to be /tmp, not tmp. I doubt that your PHP process would be allowed to write into hubzilla's directory (or into a subdirectory). Then depending on your system you might have a private tmp, both systemd's units for apache and php-fpm have this enabled (which is a good and nice security feature), they look like /tmp/systemd-private-d9d9049880064a5d95df22406bee725f-php-fpm@8.1.service-TRYn1B/

Wed, 16 Nov 2022 16:24:08 +0100

Mario Vavti

mario@hub.somaton.com

@tonnerkiller once more... The crontab entry is required.

Wed, 16 Nov 2022 16:57:04 +0100

tonnerkiller

tonnerkiller9200@hub.netzgemeinde.eu

@Mario Vavti A sorry, have read over your first mentioning it... thank you

Wed, 16 Nov 2022 17:05:41 +0100

tonnerkiller

tonnerkiller9200@hub.netzgemeinde.eu

@Mark Nowiasz thank oyu again for your help. They also had those private tmp folders you mentioned. I adjusted the setting, let's see how it goes.

Thu, 17 Nov 2022 08:54:04 +0100

tonnerkiller

tonnerkiller9200@hub.netzgemeinde.eu

Update: Update: Realized those private tmp folders are only writeable by root so when the server load was reduced this morning I had a strange behaviour trying to log in.
Found another log folder that is writable and now everything works. Thank you everybody for your help.