sdv mailer wrote:
> Hi Bruce,
>
> Sorry for the confusion because Rod asked a question
> and I answered too quickly. This is what I mean.
>
> 15x Slower:
> -----------
> Client <--TCP--> PgPool <--UNIX--> PostgreSQL
> Client <--TCP--> PgPool <--TCP--> PostgreSQL
>
> 5x Faster:
> ----------
> Client <--UNIX--> PgPool <--UNIX--> PostgreSQL
> Client <--UNIX--> PgPool <--TCP--> PostgreSQL
>
>
> Hope this helps! Pgpool speeds up connection time by
> 5x with UNIX socket due to pre-fork and connection
> pooling. However, pgpool slows down by 15x under TCP
> socket for some unknown reason.
How does this compare to using tcpip without pgpool? Is it the tcp
startup/shutdown time that is hurting performance?
pgpool is using persistent connections so I don't think a difference
would show up there, but the client/pgpool connections are being
created/destroyed frequently.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square,
Pennsylvania19073
