autovacuum cannot start when connection is full - Mailing list pgsql-hackers

From ITAGAKI Takahiro
Subject autovacuum cannot start when connection is full
Date
Msg-id 20060825140141.55DB.ITAGAKI.TAKAHIRO@oss.ntt.co.jp
Whole thread Raw
Responses Re: autovacuum cannot start when connection is full
List pgsql-hackers
Hi hackers,

Autovacuum uses connections in superuser mode. If all connections are used,
autovacuum cannot start and the following message is written in server log.
| FATAL:  sorry, too many clients already

Is this a feature?

The default value of 'superuser_reserved_connections' is 2, so maybe
few people have seen it. Autovacuum can always start in normal use.
(I found it when I tried to make multi-processed autovacuum.)

Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center



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