Re: support for keep alive option - Mailing list pgsql-odbc

From Heikki Linnakangas
Subject Re: support for keep alive option
Date
Msg-id 52CD3F5F.7090309@vmware.com
Whole thread Raw
In response to Re: support for keep alive option  (Hiroshi Inoue <inoue@tpf.co.jp>)
Responses Re: support for keep alive option  (PG User <pguser1982@gmail.com>)
List pgsql-odbc
On 01/08/2014 01:40 PM, Hiroshi Inoue wrote:
> (2014/01/08 18:20), Heikki Linnakangas wrote:
>> I don't think it should be enabled by default. It's common to expose
>> keepalive and other TCP settings as an option, like libpq does, but it's
>> not usually enabled by default, and it might be an unwelcome surprise to
>> some existing applications.
>>
>> In particular, if you have a dialup connection, you do *not* want an
>> idle connection to keep sending periodic keep-alives, because keeping
>> the connection open costs money. It's not as big a problem these days as
>> it used to be, but still.
>
> Libpq's keepalives option is on by default.

Oh, I didn't realize that.

> So currently psqlodbc's
> keepalive is enabled when libpq is used(in case ssl used etc) otherwise
> it is disabled.
> Though I am about to enable keepalive by default, I'm not sure which
>   should be the default.

I guess it would be best to enable it by default in psqlodbc as well, then.

- Heikki


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