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So we allocate 25 threads (and 25 db connections) each to four service files with the following priority orders, and two additional service files that give 5 threads to the lower-priority queues. Note that we '''only do this after increasing the maximum postgres connections to 200,''' see https://hazelweakly.me/blog/scaling-mastodon/#db_pool-notes-from-nora's-blog | So we allocate 25 threads (and 25 db connections) each to four service files with the following priority orders, and two additional service files that give 5 threads to the lower-priority queues. Note that we '''only do this after increasing the maximum postgres connections to 200,''' see https://hazelweakly.me/blog/scaling-mastodon/#db_pool-notes-from-nora's-blog | ||
{ | {{:Sidekiq#Services}} | ||
Each service file is identical except for this part. (We didn't use the <code>@.service</code> systemd templates because we couldn't find a nice way of doing a list of parameters that could handle multiple queues and variable thread numbers in different services): | Each service file is identical except for this part. (We didn't use the <code>@.service</code> systemd templates because we couldn't find a nice way of doing a list of parameters that could handle multiple queues and variable thread numbers in different services): | ||
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[Service] | [Service] | ||
Type=oneshot | Type=oneshot | ||
ExecStart=/bin/echo "mastodon-sidekiq exists only to collectively start and stop mastodon-sidekiq-* instances | ExecStart=/bin/echo "mastodon-sidekiq exists only to collectively start and stop mastodon-sidekiq-* instances" | ||
RemainAfterExit=yes | RemainAfterExit=yes | ||
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* https://hazelweakly.me/blog/scaling-mastodon/ | * https://hazelweakly.me/blog/scaling-mastodon/ | ||
* https://www.digitalocean.com/community/tutorials/how-to-scale-your-mastodon-server | * https://www.digitalocean.com/community/tutorials/how-to-scale-your-mastodon-server | ||
* https://hub.sunny.garden/2023/07/08/sidekiq-tuning-small-mastodon-servers/ | |||
** https://sunny.garden/@brook/111475392515987172 - "you can probably reduce your total thread count / db connections considerably if you'd like" | |||
== See Also == | == See Also == | ||