I posted a reply on their forum.
Andrew Grosset wrote:
> 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>
>> ----
>>
>
>
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