Re: server2003 isolation mode
This WebDNA talk-list message is from 2004
It keeps the original formatting.
numero = 58519
interpreted = N
texte = >From what I understand, in iis 6, the header is not sent before the page is processed, but the WebDNA extension is already registered so iis 6 knows that the page is a WebDNA page. Then, iis 6 begins to process the page but runs into the WebDNA filter and generates the error. Once that process is running, the error will not be generated because the page will be cached in memory. When a new process is called that is not cached, you should again get an error. This is just my best guess, only SMSI knows for sure. Salvatore D'Anna DotNetNuke Hosting -----Original Message----- From: WebDNA Talk [mailto:WebDNA-Talk@talk.smithmicro.com] On Behalf Of Lester Sent: Monday, June 21, 2004 3:20 AM To: WebDNA Talk Subject: Re: server2003 isolation mode nice explanation of things thank so it all looks OK for us server2003 people?? What seemed a little odd is the infrequency of the event log errors. The one site that webdna is being use with on server2003 pulls in 3000+ unique visitors a day and the error appears maybe 10-15 times per day, and sometmes a whole bunch of times within a short time span and then nothing for hours . . . Thats what sorta caught my eye as well. -- Sal D'Anna
wrote: > Here is a link to the Microsoft KB about this issue. > http://support.microsoft.com/default.aspx?scid=kb;en-us;q311852 > > > I have not seen any problems and I do not run in iis > 5 isolation mode. I > did notice that in iis 6, the WebcatService.exe and > the DBServer.exe are > both running as a service. In previous versions, > only the WebCatService.exe > was present. This makes me think that the > DBServer.exe is running to > process the READ_RAW_DATA similar to how iis 6 > handles SSL. Also, the > $WebCat.dll is both an Isapi Extension and an Isapi > Filter. Microsoft > recommends that developers use ISAPI extensions > instead of ISAPI filters. > Since $WebCat.dll is both ISAPI extension and ISAPI > filter, maybe one is > compensating for the other and therefore continues > to function properly. > > > Changes in ISAPI Filter Features > In IIS 5.0, ISAPI filters run as the LocalSystem > account in the Inetinfo.exe > process and are guaranteed to be single-instanced. > In IIS 6.0, this is no > longer the case in worker process isolation mode. > Because ISAPI filters now > run in worker process, they are subject to all of > the worker process > behaviors: multi-instancing, having a configurable > process identity, and > recycling. ISAPI filters that register for > SF_NOTIFY_READ_RAW_DATA > notifications are not supported in worker process > isolation mode; they must > be executed in IIS 5.0 isolation mode to be > compatible with IIS 6.0. > > > Moving forward with development of ISAPI > applications for IIS 6.0, it is > recommended that developers use ISAPI extensions > instead of ISAPI filters. > IIS 6.0 extends the programming platform and > includes support for multiple > wildcard script maps and the HSE_REQ_EXEC_URL > function, which allows ISAPI > extensions to be used in the same way that ISAPI > filters are typically used. > In addition, ISAPI extensions are asynchronous (that > is, can be run > simultaneously), and thus are a better choice than > ISAPI filters, which are > synchronous (that is, must be run in sequence). > > > Salvatore D'Anna > DotNetNuke Hosting > > > -----Original Message----- > From: WebDNA Talk > [mailto:WebDNA-Talk@talk.smithmicro.com] On Behalf > Of > Lester > Sent: Sunday, June 20, 2004 11:29 AM > To: WebDNA Talk > Subject: server2003 isolation mode > > I sorta touched on this subject a week ago or so, > but > here's at it again . . . . > > I'm running webdna 4.5 on a new install of MS > server2003 . . . > > I see this error in my event logs > > ============== > An attempt was made to load filter > 'c:\inetpub\scripts\WebCatalogEngine\$WebCat.dll' > but > it requires the SF_NOTIFY_READ_RAW_DATA filter > notification and this notification is not supported > in > Worker Process Isolation Mode. > =================== > > When I go into IIS and check the box > "Run WWW service in IIS 5.0 isolation mode" > everything seems to hang within a few minutes > causing > a reboot and the unchecking of that option to bring > things back to normal. > > My question(s): > > 1) > Is this event log error only appearing because I > have > version 4.5??? > > 2) > Is anyone else getting this same kinda event log > error > entry with their versions of webdna on server2003??? > > 3) > If I just leave it all as is, is performance going > to > suffer??? > > > Eveything seems to be OK, but seeing that error in > the > logs every time I go there makes me wonder . . . . > > Thanks > > > > > Lester > > > > > > > __________________________________ > Do you Yahoo!? > New and Improved Yahoo! Mail - Send 10MB messages! > http://promotions.yahoo.com/new_mail > > ------------------------------------------------------------- > This message is sent to you because you are > subscribed to > the mailing list > . > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: > http://webdna.smithmicro.com/ > > __________ NOD32 1.791 (20040618) Information > __________ > > This message was checked by NOD32 Antivirus System. > http://www.nod32.com > > > > ------------------------------------------------------------- > This message is sent to you because you are > subscribed to > the mailing list > . > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: > http://webdna.smithmicro.com/ > __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/ __________ NOD32 1.791 (20040618) Information __________ This message was checked by NOD32 Antivirus System. http://www.nod32.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Associated Messages, from the most recent to the oldest:
>From what I understand, in iis 6, the header is not sent before the page is processed, but the WebDNA extension is already registered so iis 6 knows that the page is a WebDNA page. Then, iis 6 begins to process the page but runs into the WebDNA filter and generates the error. Once that process is running, the error will not be generated because the page will be cached in memory. When a new process is called that is not cached, you should again get an error. This is just my best guess, only SMSI knows for sure. Salvatore D'Anna DotNetNuke Hosting -----Original Message----- From: WebDNA Talk [mailto:WebDNA-Talk@talk.smithmicro.com] On Behalf Of Lester Sent: Monday, June 21, 2004 3:20 AM To: WebDNA Talk Subject: Re: server2003 isolation mode nice explanation of things thank so it all looks OK for us server2003 people?? What seemed a little odd is the infrequency of the event log errors. The one site that webdna is being use with on server2003 pulls in 3000+ unique visitors a day and the error appears maybe 10-15 times per day, and sometmes a whole bunch of times within a short time span and then nothing for hours . . . Thats what sorta caught my eye as well. -- Sal D'Anna wrote: > Here is a link to the Microsoft KB about this issue. > http://support.microsoft.com/default.aspx?scid=kb;en-us;q311852 > > > I have not seen any problems and I do not run in iis > 5 isolation mode. I > did notice that in iis 6, the WebcatService.exe and > the DBServer.exe are > both running as a service. In previous versions, > only the WebCatService.exe > was present. This makes me think that the > DBServer.exe is running to > process the READ_RAW_DATA similar to how iis 6 > handles SSL. Also, the > $WebCat.dll is both an Isapi Extension and an Isapi > Filter. Microsoft > recommends that developers use ISAPI extensions > instead of ISAPI filters. > Since $WebCat.dll is both ISAPI extension and ISAPI > filter, maybe one is > compensating for the other and therefore continues > to function properly. > > > Changes in ISAPI Filter Features > In IIS 5.0, ISAPI filters run as the LocalSystem > account in the Inetinfo.exe > process and are guaranteed to be single-instanced. > In IIS 6.0, this is no > longer the case in worker process isolation mode. > Because ISAPI filters now > run in worker process, they are subject to all of > the worker process > behaviors: multi-instancing, having a configurable > process identity, and > recycling. ISAPI filters that register for > SF_NOTIFY_READ_RAW_DATA > notifications are not supported in worker process > isolation mode; they must > be executed in IIS 5.0 isolation mode to be > compatible with IIS 6.0. > > > Moving forward with development of ISAPI > applications for IIS 6.0, it is > recommended that developers use ISAPI extensions > instead of ISAPI filters. > IIS 6.0 extends the programming platform and > includes support for multiple > wildcard script maps and the HSE_REQ_EXEC_URL > function, which allows ISAPI > extensions to be used in the same way that ISAPI > filters are typically used. > In addition, ISAPI extensions are asynchronous (that > is, can be run > simultaneously), and thus are a better choice than > ISAPI filters, which are > synchronous (that is, must be run in sequence). > > > Salvatore D'Anna > DotNetNuke Hosting > > > -----Original Message----- > From: WebDNA Talk > [mailto:WebDNA-Talk@talk.smithmicro.com] On Behalf > Of > Lester > Sent: Sunday, June 20, 2004 11:29 AM > To: WebDNA Talk > Subject: server2003 isolation mode > > I sorta touched on this subject a week ago or so, > but > here's at it again . . . . > > I'm running webdna 4.5 on a new install of MS > server2003 . . . > > I see this error in my event logs > > ============== > An attempt was made to load filter > 'c:\inetpub\scripts\WebCatalogEngine\$WebCat.dll' > but > it requires the SF_NOTIFY_READ_RAW_DATA filter > notification and this notification is not supported > in > Worker Process Isolation Mode. > =================== > > When I go into IIS and check the box > "Run WWW service in IIS 5.0 isolation mode" > everything seems to hang within a few minutes > causing > a reboot and the unchecking of that option to bring > things back to normal. > > My question(s): > > 1) > Is this event log error only appearing because I > have > version 4.5??? > > 2) > Is anyone else getting this same kinda event log > error > entry with their versions of webdna on server2003??? > > 3) > If I just leave it all as is, is performance going > to > suffer??? > > > Eveything seems to be OK, but seeing that error in > the > logs every time I go there makes me wonder . . . . > > Thanks > > > > > Lester > > > > > > > __________________________________ > Do you Yahoo!? > New and Improved Yahoo! Mail - Send 10MB messages! > http://promotions.yahoo.com/new_mail > > ------------------------------------------------------------- > This message is sent to you because you are > subscribed to > the mailing list > . > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: > http://webdna.smithmicro.com/ > > __________ NOD32 1.791 (20040618) Information > __________ > > This message was checked by NOD32 Antivirus System. > http://www.nod32.com > > > > ------------------------------------------------------------- > This message is sent to you because you are > subscribed to > the mailing list > . > To unsubscribe, E-mail to: > > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: > http://webdna.smithmicro.com/ > __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/ __________ NOD32 1.791 (20040618) Information __________ This message was checked by NOD32 Antivirus System. http://www.nod32.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
"Sal D'Anna"
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