[Pgpool-hackers] worker process launch even when health_check_period=0

[Tatsuo Ishii]

> AFAICT, the worker process has one work to do: check replication lag.
> pgPool only needs to check replication lag if we are using streaming
> replication and if health check is enabled. However, it seems it checks
> replication lag even if health check is disabled (with
> health_check_period=0).
> 
> This looks like a bug to me.
> 
> I see two fixes:
>   * only launch the worker process if health_check_period>0 (main.c)
>   * before checking lag, make sure that health_check_period>0
>     (pool_worker_child.c)
> 
> I can write the patch, it won't be difficult. Just want to make sure
> you're OK with this and that I didn't miss something.

People might want to check replication delay even if they are not
using health check, no?
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp