Subject Re: [ib-support] Difference between Oldest Active and Next Transaction
Author Chooi-Ting
normally only 1 or 2 user is connecting to the database. however, the
diff is quite huge, which I don't know the actual reason.
besides that how to make oldest active move ?

rgds, chooi ting


--- In firebird-support@yahoogroups.com, Phil Shrimpton <phil@s...>
wrote:
> On Thursday 12 June 2003 21:33, you wrote:
>
> Hi,
>
> > Roughly how far apart can the oldest transaction and the Next
> > transaction be before you know you have a problem.
>
> In theory, no bigger than the number of concurrent transactions you
> application can produce. For instance, if your app only uses a
single
> transaction at once, and you have 50 concurrent users, if should
never get
> bigger than 50.
>
> In practice, it never quite works like that <g> The two warning
signs I look
> out for are
>
> - The difference not returning to 1 when everyone 'logs out'
> - The difference going above 3x expected concurrent transaction
count
>
> Phil
>
> --
> 10:07pm up 57 days, 11:00, 1 user, load average: 0.38, 0.12,
0.04
> ICQ: 760757 AIM: pjshrimpton Y!: pjshrimpton