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Code Issues 6 Releases Wiki Activity

restore ini settings which appear to have been lost in commit 33cb69a (#1314)

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Brook Miles 2023-10-05 18:09:10 +09:00 committed by GitHub
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content/en/admin/scaling.md
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@ -192,10 +192,22 @@ listen_port = 6432
Put `md5` as the `auth_type` (assuming you’re using the md5 format in `userlist.txt`):
```ini
auth_type = md5
```
Make sure the `pgbouncer` user is an admin:
```ini
admin_users = pgbouncer
```
**This next part is very important!** The default pooling mode is session-based, but for Mastodon we want transaction-based. In other words, a Postgres connection is created when a transaction is created and dropped when the transaction is done. So you’ll want to change the `pool_mode` from `session` to `transaction`:
```ini
pool_mode = transaction
```
Next up, `max_client_conn` defines how many connections PgBouncer itself will accept, and `default_pool_size` puts a limit on how many Postgres connections will be opened under the hood. (In PgHero the number of connections reported will correspond to `default_pool_size` because it has no knowledge of PgBouncer.)
The defaults are fine to start, and you can always increase them later: