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refactor(database): exchange connection pool (#8325)

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# Which Problems Are Solved

The connection pool of go uses a high amount of database connections.

# How the Problems Are Solved

The standard lib connection pool was replaced by `pgxpool.Pool`

# Additional Changes

The `db.BeginTx`-spans are removed because they cause to much noise in
the traces.

# Additional Context

- part of https://github.com/zitadel/zitadel/issues/7639
This commit is contained in:
Silvan
2024-07-17 17:16:02 +02:00
committed by GitHub
parent d95c9508a3
commit 99c645cc60
13 changed files with 51 additions and 50 deletions
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14
cmd/defaults.yaml
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@@ -95,19 +95,19 @@ Database:
# MaxOpenConns and MaxIdleConns are used to push events and spool projections.
# Remaining connection are used for queries (search).
# Values may not be negative and the sum of the ratios must always be less than 1.
# For example this defaults define 40 MaxOpenConns overall.
# - 40*0.2=8 connections are allocated to the event pusher;
# - 40*0.2=8 connections are allocated to the projection spooler;
# - 40-(8+8)=24 connections are remaining for queries;
# For example this defaults define 15 MaxOpenConns overall.
# - 15*0.2=3 connections are allocated to the event pusher;
# - 15*0.135=2 connections are allocated to the projection spooler;
# - 15-(3+2)=10 connections are remaining for queries;
EventPushConnRatio: 0.2 # ZITADEL_DATABASE_COCKROACH_EVENTPUSHCONNRATIO
ProjectionSpoolerConnRatio: 0.2 # ZITADEL_DATABASE_COCKROACH_PROJECTIONSPOOLERCONNRATIO
ProjectionSpoolerConnRatio: 0.135 # ZITADEL_DATABASE_COCKROACH_PROJECTIONSPOOLERCONNRATIO
# CockroachDB is the default database of ZITADEL
cockroach:
Host: localhost # ZITADEL_DATABASE_COCKROACH_HOST
Port: 26257 # ZITADEL_DATABASE_COCKROACH_PORT
Database: zitadel # ZITADEL_DATABASE_COCKROACH_DATABASE
MaxOpenConns: 40 # ZITADEL_DATABASE_COCKROACH_MAXOPENCONNS
MaxIdleConns: 20 # ZITADEL_DATABASE_COCKROACH_MAXIDLECONNS
MaxOpenConns: 15 # ZITADEL_DATABASE_COCKROACH_MAXOPENCONNS
MaxIdleConns: 12 # ZITADEL_DATABASE_COCKROACH_MAXIDLECONNS
MaxConnLifetime: 30m # ZITADEL_DATABASE_COCKROACH_MAXCONNLIFETIME
MaxConnIdleTime: 5m # ZITADEL_DATABASE_COCKROACH_MAXCONNIDLETIME
Options: "" # ZITADEL_DATABASE_COCKROACH_OPTIONS