IIS,Memory leak,output cache,set the memory limit, recycling

Recenly faced iis related memory leakage, To investigate its happen application level or system level.

Application level

i. Check DB - costly query and DB performance

ii. outputcache

iii. third-party dll and excel macro relate application used


System level

i. To reduce number application pool (each application pool allocating memory, so allocate static site are to defaultapppool)

ii. check system configuration (RAM and C drive space)

I referred below links,


IIS - Output cache: https://serverfault.com/questions/557920/iis-memory-management-thresholds-with-potential-leaks


Memory: https://forums.iis.net/t/1230103.aspx?Windows+Server+2012+IIS+8+0+IIS+Worker+Process+Consumes+more+memory


Recycling: http://www.bursky.net/index.php/2013/03/managing-iis-server-memory-usage/


https://stackoverflow.com/questions/16162524/how-to-increase-memory-and-cache-size-for-application-pool-in-iis-7-efficiently

https://serverfault.com/questions/598672/app-pool-doesnt-respect-memory-limits