[ExchangeList] Re: Mailbox Cache Age Limit

  • From: "Howard Rappaport" <howie@xxxxxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 17 Jul 2006 23:00:28 -0400

http://www.msexchange.org
-------------------------------------------------------Ah cool; I was going to 
be content with 20 overall for the largest ... I
guess I'll say 20 is as low as it goes and then when someone requests it be
lower I'll know we have the potential to drop it slightly.  Indeed a minute
would be nice, but ludicrous with something like this.  Thanks again.

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Michael B. Smith
Sent: Monday, July 17, 2006 10:51 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Mailbox Cache Age Limit

http://www.msexchange.org
-------------------------------------------------------You don't want to set
it that low! Going below about 3/5/10 (for the 3
caches) can cause real performance issues.

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Howard Rappaport
Sent: Monday, July 17, 2006 10:49 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Mailbox Cache Age Limit

http://www.msexchange.org
-------------------------------------------------------Oh, I'm not averse to
changing the setting and will most likely change it to 20 mins ... But I had
no real need to change it to less if I could force a flush / reload.
Ideally I'd set this to something like 1 minute (but the business
requirement hasn't been set that it needs to be, so we won't) ...
we've got everyone used to things happening immediately with the
self-provisioning.  I do have to say though, 20 minutes beats waiting a half
a day for a helpdesk ticket to work its way to where it needs to go.

Thanks for the confirmation.

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Michael B. Smith
Sent: Monday, July 17, 2006 10:38 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Mailbox Cache Age Limit

http://www.msexchange.org
-------------------------------------------------------Oh. No. The only way
to reload the cache is to restart the Information Store service.

Why don't you want to change the default setting? 

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Howard Rappaport
Sent: Monday, July 17, 2006 10:24 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Mailbox Cache Age Limit

http://www.msexchange.org
-------------------------------------------------------I'm looking to find
out if there is a way to leave the default setting, but have a way to kick
off a reread of mailbox quota information.  Rather than having a delay and
having a user wait for the quota change to take effect, have some script /
application force a reread. Much like you can force a rebuild of an OAB, I'd
like to force a flush / reload of the cache, along with having it do it on
its regular schedule.

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Michael B. Smith
Sent: Monday, July 17, 2006 10:13 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Mailbox Cache Age Limit

http://www.msexchange.org
-------------------------------------------------------Huh?

You set the registry values that affect the cache lifetime once per Exchange
installation (ie, on each server). That affects all users homed on that
server.

Is that what you mean, or are you asking something different? 

-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Howard Rappaport
Sent: Monday, July 17, 2006 5:40 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Mailbox Cache Age Limit

http://www.msexchange.org
-------------------------------------------------------Has anyone come
across or created a method to programmatically reread mailbox quota
information?

I'm looking to do something that has the same effort as modifying the
Mailbox Cache Age Limit & Reread Logon Quotas Interval so that quota changes
take place more expeditiously than the 2 hours out of the box.  We provision
users programmatically and allow themselves to upgrade their mailbox size.
Ideally, when they do the upgrade it would take place at that time.
Worst
case we could inform them that an upgrade will take 30 mins, configure the
values of the Mailbox Cache Age Limit & Reread Logon Quotas Interval
appropriately, and be on our merry way.

Thanks,
Howie

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