Interesting....I hope someone comes up with an answer.
Andrew.
>I just got the following advice in a HostMySite CF newsletter. Is there an
>issue with session scopes in custom tags? I've received other coding "tips"
>from them that make no sense or is just plain bad advice but not sure what
>to make of this.
>
>----
>Coding Tip
>
>Discover methods used by HostMySite's CFMX gurus to address your common
>coding and performance issues. Stop by the Developers' Forum to discuss with
>fellow ColdFusion users.
>Duplicate Your Session Scopes to Relieving Memory Issues
>
>When you use custom tags to place exclusive locks around the session scope,
>it causes ColdFusion service issues, which affects all users within a shared
>environment. You can prevent these ColdFusion service issues by using a
>common fix we use to fine tune our code:
>
>Use a variable scope to remove the memory being used by the session scope
>once the tag has completed it's necessary action.
>
><cflock timeout="45" throwontimeout="Yes" type="READONLY" scope="SESSION">
>
><CFSET variables.LSess=Duplicate(session)>
>
></cflock>
>
>We would be replacing all references of session to variables.LSess and
>copying the local copy of the structure back to the session scope.
>
><cflock timeout="45" throwontimeout="Yes" type="EXCLUSIVE" scope="SESSION">
>
><CFSET session=Duplicate(variables.LSess)>
>
></cflock>
>
>If you have difficulty copying over structures in your local version to the
>session scope, you can duplicate each key under the local session structure
>over to the scope. Your final code would look similar to:
>
><cflock timeout="45" throwontimeout="Yes" type="EXCLUSIVE" scope="SESSION">
>
><CFLOOP index="Key" list=#StructKeyList(variables.LSess)#>
>
><CFSET "Session.#Key#"=Duplicate(Evaluate(" variables.LSess.#Key#"))>
>
></CFLOOP>
>
></cflock>
>----
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
Introducing the Fusion Authority Quarterly Update. 80 pages of hard-hitting,
up-to-date ColdFusion information by your peers, delivered to your door four
times a year.
http://www.fusionauthority.com/quarterly
Archive:
http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:262645
Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm
Unsubscribe:
http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
