Thread: Extreme high BLOB Cache count

Last post 03-31-2008 4:17 AM by Rovastar. 1 replies.

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03-30-2008, 2:42 PM

Tweek82
Joined on 10-15-2007, 10:32 AM
Posts 1

Extreme high BLOB Cache count

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Hi everyone,

I've deployed an asp.net 2.0 webapplication on an IIS 6.0 (w2k) webserver. The users are complaining that the application hangs atleast 3 times a day. These hangs are usually followed by TimeOuts. They need to close Internet Explorer and restart the application to get it started again. Now we are monitoring the IIS state with Perfmon and we noticed that the BLOB Cache reaches to '6000' where as 1000 is the absolute maximum.

Could this be one of the reasons of the application hanging? If so, what can we do to prevent it? At the max, there are only 3(!!) users working with the application.

I use AJAX and a rather large Session object.

Thanks

03-31-2008, 4:17 AM In reply to

Rovastar
Joined on 03-13-2008, 10:00 AM
London, UK
Posts 594

Re: Extreme high BLOB Cache count

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This is not a problem as and I presume you are using the

'BLOB cache flushes' counter if you use explain it states

'BLOB cache Flush since server startup'

so 1000 is not maximum and it is running total and is not high compared to my servers.

To be honest it is irrelevant monitoring the IIS state in perf monitor if you don't know what the values mean or represent.

Run Debug tools like debugdiag for when it hangs. Look for things in the event log, etc at the time of the hangs. They will give you more clues.

Most overused word in IT is 'should' as in 'That should work!?!'

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