Noticed you didn't reply to my idea... can you also ensure that it really is a VFS issue by simply switching to a real folder - just for testing?
On Wed, Feb 22, 2012 at 12:05 PM, Brook Davies <[email protected]> wrote: > > Good idea, I'll check the contents of the ram disk after any failures... > > Brook > > -----Original Message----- > From: Pete Freitag [mailto:[email protected]] > Sent: February-22-12 9:58 AM > To: cf-talk > Subject: Re: Ram Disk problem under load > > > Hi Brook, > > Certainly you will want to have a try / catch around that, you could put the > delete of the ram file in a <cffinally> tag to ensure it runs, otherwise if > an error is thrown in the cfinclude the file never gets deleted and stays in > ram. > > Also to answer your question about the garbage collection, I don't think > that would be the issue, the garbage collector only removes objects that > have a reference count of zero, I would assume that when you have a file on > the ram disk ColdFusion maintains a reference to it, when you delete the > file CF will delete the reference and allow the GC to cleanup. > > I don't think reducing the size of your ram disk will make the problem go > away. > > What you might want to do is run this after you run your load test to see > whats in there: > > <cfdirectory directory="ram://" action="list" recurse="true" name="dir"> > <cfdump variable="#dir#"> > > -- > Pete Freitag - Adobe Community Professional http://foundeo.com/ - ColdFusion > Consulting & Products http://petefreitag.com/ - My Blog http://hackmycf.com > - Is your ColdFusion Server Secure? > > > > > On Wed, Feb 22, 2012 at 12:44 PM, Brook Davies <[email protected]> wrote: > >> >> Hi Pete, >> >> I don't think its possible because the ram disk size is set to 500 >> megs, and this was only 10 concurrent users! I have another test with >> 100 cuncurrent users running tonight and I guess we'll see what >> happens though I am sure this is going to be an issue. I added a >> try/catch around the write/read and am them attempting to do it again, >> so I guess we'll see what happens. >> >> Maybe I should reduce the size allocated to the ram disk? >> >> Brook >> >> -----Original Message----- >> From: Pete Freitag [mailto:[email protected]] >> Sent: February-22-12 9:35 AM >> To: cf-talk >> Subject: Re: Ram Disk problem under load >> >> >> Another thing to consider is that the Ram disk has a size limit >> specified in the ColdFusion administrator. Is it possible that the >> write failed (perhaps >> silently) because the ram disk was full. >> >> >> -- >> Pete Freitag - Adobe Community Professional http://foundeo.com/ - >> ColdFusion Consulting & Products http://petefreitag.com/ - My Blog >> http://hackmycf.com >> - Is your ColdFusion Server Secure? >> >> >> >> On Wed, Feb 22, 2012 at 3:12 AM, Brook Davies <[email protected]> >> wrote: >> >> > >> > Hey everyone, >> > >> > Did some very light pre-load testing yesterday in preparation for a >> > larger test tomorrow. This limited load threw some errors. I'm >> > writing to the in memory file system some CFML code, that I then >> > cfinclude to >> execute it. >> > Its >> > pretty straight forward code, and this was under very little load >> > (10 concurrent users only). >> > >> > Note: I have an application mapping for the ram disk in application.cfc: >> > >> > <cfset this.mappings[ "/ram" ] = "ram://" /> >> > >> > And then in the problem code: >> > >> > --------------------------------- >> > <!--- set the filename to a unique name ---> <cfset filename = >> > 'wildcardparsing-#createUUID()#.cfm'> >> > <!--- write the file ---> >> > <cffile action="write" output="#cfml#" file="ram://#filename#"/> >> > <!--- include and execute the cfml ---> >> > <cfinclude template="/ram/#filename#" /> >> > <!--- clean up ---> >> > <cffile action="delete" file="ram://#filename#"/> >> > >> > --------------------------------- >> > >> > The error I got was: >> > >> > Could not find the included template >> > /ram/wildcardparsing-66031760-EEDC-69FB-8F2EFEC77564096A.cfm. >> > >> > I got a similar error in another template on a different execution >> > that uses similar code to generate the CFML for a CFDOCUMENT tag and >> > then writes it to ram disk and includes. I have never seen this >> > error in development it only started happening under a wee bit of >> > load. What could be the problem? The In memory file system is set to >> > 500 megs in the cfadmin (which is probably overkill..). Would a >> > garbage collection before the include had been completed cause this to > happen? >> > >> > Brook >> > >> > >> > >> > >> > >> >> >> >> > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:350037 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
