From 6a85fe1f9d0bfe7aee042671a86c9e58ae2d102b Mon Sep 17 00:00:00 2001 From: lain Date: Mon, 25 May 2020 15:53:14 +0200 Subject: [PATCH] Docs: Document reasonable Postgres settings. --- docs/configuration/postgresql.md | 31 +++++++++++++++++++++++++++++++ docs/installation/otp_en.md | 2 +- 2 files changed, 32 insertions(+), 1 deletion(-) create mode 100644 docs/configuration/postgresql.md diff --git a/docs/configuration/postgresql.md b/docs/configuration/postgresql.md new file mode 100644 index 000000000..068f133a9 --- /dev/null +++ b/docs/configuration/postgresql.md @@ -0,0 +1,31 @@ +# Optimizing your Postgresql performance + +Pleroma performance depends to a large extent on good database performance. The default Postgresql settings are mostly fine, but often you can get better performance by changing a few settings. + +You can use [PGTune](https://pgtune.leopard.in.ua) to get recommendations for your setup. If you do, set the "Number of Connections" field to 20, as Pleroma will only use 10 concurrent connections anyway. If you don't, it will give you advice that might even hurt your performance. + +We also recommend not using the "Network Storage" option. + +## Example configurations + +Here are some configuration suggestions for Postgresql 10+. + +### 1GB RAM, 1 CPU +``` +shared_buffers = 256MB +effective_cache_size = 768MB +maintenance_work_mem = 64MB +work_mem = 13107kB +``` + +### 2GB RAM, 2 CPU +``` +shared_buffers = 512MB +effective_cache_size = 1536MB +maintenance_work_mem = 128MB +work_mem = 26214kB +max_worker_processes = 2 +max_parallel_workers_per_gather = 1 +max_parallel_workers = 2 +``` + diff --git a/docs/installation/otp_en.md b/docs/installation/otp_en.md index fb99af699..b627bbb7a 100644 --- a/docs/installation/otp_en.md +++ b/docs/installation/otp_en.md @@ -63,7 +63,7 @@ apt install postgresql-11-rum ``` #### (Optional) Performance configuration -For optimal performance, you may use [PGTune](https://pgtune.leopard.in.ua), don't forget to restart postgresql after editing the configuration +Check out our Postgresql document for a guide on optimizing Postgresql performance settings. ```sh tab="Alpine" rc-service postgresql restart