RE: Cached Tables and Injected Handler interaction with the timer

Wes:

Thank you for the suggestions it isn't easy for me to update the version
of the library I'm using at the moment; however I did try what you
suggested where I walk the tables immediately after seeing the first
table get freed up. 

I found that the second table immediately gets freed up and reloaded
before my handler method is called.  So from what I can tell I am not
receiving stale data it is doing a just in time cache refresh before my
data is served up in this situation.

So I guess there really isn't a problem here just an inconsistency in
terms of when the free method is called; however it appears not to be a
real problem in terms of the end result.

Thanks, 

Jared 


-----Original Message-----
From: Wes Hardaker [mailto:[email protected]] 
Sent: Wednesday, September 09, 2009 3:35 PM
To: Jared Smith (jarsmith)
Cc: [email protected]
Subject: Re: Cached Tables and Injected Handler interaction with the
timer

>>>>> On Mon, 7 Sep 2009 10:21:25 -0700, "Jared Smith (jarsmith)"
<[email protected]> said:

You described well an interesting problem.

JS> If it makes a difference this is running on version 5.2.2 not sure
if
JS> this issue may have been improved in a newer version?

Is there any way you can test with something more recent just to see if
it has been addressed?

I'm not sure without diving into a lot of code (which I can't do as I
need to run out the door) what might be the cause of the problem.

Here's something else to try:
  1) walk both tables
  2) wait 60 seconds until you see the first free routine called.
  3) immediately walk the other table (or both) to see if that triggers
     it freeing/reloading immediately.

The goal is to make sure that the cache is never *used* when it's older
than 60 seconds, even if it's otherwise freeing slowly.
-- 
Wes Hardaker
Cobham Analytic Solutions

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