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database/postgres: set max open conns

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Open at most 25 connections. Should fix errors such as
"pq: sorry, too many clients already".
This commit is contained in:
Simon Ser 2022-07-25 19:00:14 +02:00
parent d0868722cd
commit 8849669d61
1 changed files with 4 additions and 0 deletions
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4
database/postgres.go
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@ -175,6 +175,10 @@ func OpenPostgresDB(source string) (Database, error) {
return nil, err return nil, err
} }
// By default sql.DB doesn't have a connection limit. This can cause errors
// because PostgreSQL has a default of 100 max connections.
sqlPostgresDB.SetMaxOpenConns(25)
db := &PostgresDB{db: sqlPostgresDB} db := &PostgresDB{db: sqlPostgresDB}
if err := db.upgrade(); err != nil { if err := db.upgrade(); err != nil {
sqlPostgresDB.Close() sqlPostgresDB.Close()