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From Berin Loritsch <blorit...@apache.org>
Subject Re: SELECT 1
Date Tue, 22 Jan 2002 13:33:44 GMT
Danny Angus wrote:

>>I had written a database pool last year which got around this problem by
>>keeping track of the last time the connection was released.  Then the
>>ping was only made if that time was greater than 5 seconds.  This made a
>>big difference by cutting the pings down to nil when the application is
>>heavily loaded.  The thinking is that when the queries are spaced close
>>together, the fact that the previous query was successful gives the same
>>information as the ping would, so it is not necessary.
>>
> 
> I would have thought that pinging the connection when it was idle would be
> preferable to pinging it just before it was needed (when you have less time
> to create a new one), and if it is busy then that is the best time to reduce
> unnecessary traffic.


That was my next planned optimization.




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