We have an umbraco 4.11 instance with around 400 nodes, running on iis 7.5, .net 4, windows 2008 r2. upon first visit it consumes around 500mb of ram and moves up to around 900mb. Since the site is going to be deployed on a shared hosting, this would cause us massive problem.
I've tried tracing the custom codes for memory leaks, and found nothing. I Also ran Windbg on the app pool memory dump only to find the following report:
--- Largest Region by Usage ----------- Base Address -------- Region Size ----------
Free 5`3f530000 7f9`54ca0000 ( 7.974 Tb)
<unknown> 2`835b4000 0`7bf7c000 ( 1.937 Gb)
Image 7fe`e79da000 0`01338000 ( 19.219 Mb)
Heap 0`0c5e0000 0`00961000 ( 9.379 Mb)
Stack 0`00960000 0`0007b000 ( 492.000 kb)
Other 0`006b0000 0`00181000 ( 1.504 Mb)
TEB 7ff`ffe90000 0`00002000 ( 8.000 kb)
PEB 7ff`fffdb000 0`00001000 ( 4.000 kb)
the other reports about managed portions of memory are ommitted because they don't show anything out of the ordinary.
the dump shows that <unkonwn> region or the unmanaged portion is consuming the most memory, which is an indication of win32 api calls or something else I don't know about.
What I need to know is if this memory usage is usual? if not what are the causes and fixes that can be applied on it?
excessive memory usage by iis application pool
Hi,
We have an umbraco 4.11 instance with around 400 nodes, running on iis 7.5, .net 4, windows 2008 r2. upon first visit it consumes around 500mb of ram and moves up to around 900mb. Since the site is going to be deployed on a shared hosting, this would cause us massive problem.
I've tried tracing the custom codes for memory leaks, and found nothing. I Also ran Windbg on the app pool memory dump only to find the following report:
--- Usage Summary ---------------- RgnCount ----------- Total Size -------- %ofBusy %ofTotal
Free 461 7fb`9ab99000 ( 7.983 Tb) 99.79%
<unknown> 1201 4`4ec32000 ( 17.231 Gb) 98.00% 0.21%
Image 2604 0`1123e000 ( 274.242 Mb) 1.52% 0.00%
Heap 74 0`037c2000 ( 55.758 Mb) 0.31% 0.00%
Stack 172 0`01c00000 ( 28.000 Mb) 0.16% 0.00%
Other 9 0`001b2000 ( 1.695 Mb) 0.01% 0.00%
TEB 57 0`00072000 ( 456.000 kb) 0.00% 0.00%
PEB 1 0`00001000 ( 4.000 kb) 0.00% 0.00%
--- Type Summary (for busy) ------ RgnCount ----------- Total Size -------- %ofBusy %ofTotal
MEM_PRIVATE 628 4`50cda000 ( 17.263 Gb) 98.18% 0.21%
MEM_IMAGE 3453 0`135fc000 ( 309.984 Mb) 1.72% 0.00%
MEM_MAPPED 37 0`01181000 ( 17.504 Mb) 0.10% 0.00%
--- State Summary ---------------- RgnCount ----------- Total Size -------- %ofBusy %ofTotal
MEM_FREE 461 7fb`9ab99000 ( 7.983 Tb) 99.79%
MEM_RESERVE 985 4`226fb000 ( 16.538 Gb) 94.06% 0.20%
MEM_COMMIT 3133 0`42d5c000 ( 1.044 Gb) 5.94% 0.01%
--- Protect Summary (for commit) - RgnCount ----------- Total Size -------- %ofBusy %ofTotal
PAGE_READWRITE 881 0`2edd3000 ( 749.824 Mb) 4.16% 0.01%
PAGE_EXECUTE_READ 406 0`0f016000 ( 240.086 Mb) 1.33% 0.00%
PAGE_READONLY 1157 0`02c1a000 ( 44.102 Mb) 0.24% 0.00%
PAGE_WRITECOPY 422 0`01cde000 ( 28.867 Mb) 0.16% 0.00%
PAGE_EXECUTE_READWRITE 121 0`00328000 ( 3.156 Mb) 0.02% 0.00%
PAGE_EXECUTE_WRITECOPY 89 0`0026e000 ( 2.430 Mb) 0.01% 0.00%
PAGE_READWRITE|PAGE_GUARD 57 0`000e5000 ( 916.000 kb) 0.00% 0.00%
--- Largest Region by Usage ----------- Base Address -------- Region Size ----------
Free 5`3f530000 7f9`54ca0000 ( 7.974 Tb)
<unknown> 2`835b4000 0`7bf7c000 ( 1.937 Gb)
Image 7fe`e79da000 0`01338000 ( 19.219 Mb)
Heap 0`0c5e0000 0`00961000 ( 9.379 Mb)
Stack 0`00960000 0`0007b000 ( 492.000 kb)
Other 0`006b0000 0`00181000 ( 1.504 Mb)
TEB 7ff`ffe90000 0`00002000 ( 8.000 kb)
PEB 7ff`fffdb000 0`00001000 ( 4.000 kb)
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