The garbage collector works by copying live objects, so it needs a fair amount of space to perform its copies. If you're wondering what the maximum worker process memory size as reported by Task Manager is for an ASP.
NET Worker Process on x86, the answer is "it depends". In any kind of managed code such as Java or. NET, the programmer gives up fine-grained control of memory as a penance for not having to deal with pointers.
As a program executes, the Heap and Stack will be periodically cleaned up by the Garbage Collector. Specifically in regards to ASP. NET, the garbage collector runs inside the same worker process as the website. The GC consumes memory of its own. How much memory is entirely a function of how your application's code is written. One app may be able to use 1. In order understand why , you need to profile your specific application. Focusing on physical I typically like to limit app pools around MB to MB max on a 32 bit app with very few app pools depending on the number and amount of memory.
You really need to profile it since these can really grow to process and cache. The greater the amount of memory and the greater the load the higher the worker process will grow. When people ask about configuring the app pool, this is where they are usually asking what the numbers should be. What you are doing here is explicitly limiting the app pool from consuming more memory. Notice this setting is on the recycle tab, there's a reason for that.
When an app pool reaches the max it isn't like the max processor setting. It will cycle the worker process which is like a tiny reboot or similar to an iisreset, but not since sometimes we want this to happen so we can release our memory.
You really don't want to cycle more than a couple of times per 24 hour period in an ideal world. I've heard of some trying to cycle right before the morning peak occurs so they have the most amount of memory available, then a cycle right at the end of the day before the backups or crawling begins. Asked 11 years, 8 months ago. Active 6 years ago. Viewed 15k times. We have tried this but on a 32 bit Windows Server and it seems to limit the windows resources. But maybe this disappear when running in a 64 bit OS?
Improve this question. Roland Bengtsson. Roland Bengtsson Roland Bengtsson 4, 8 8 gold badges 54 54 silver badges 92 92 bronze badges. The 3GB switch in boot. Be aware it shrinks the space available to Windows itself on 32 bit systems. See fore example here, blogs. Add a comment. Active Oldest Votes. Improve this answer. Thomas Thomas That's only valid on 32bit.
The article you linked is about ten years out of date, and only addresses 32bit systems. Privacy policy. Enabling this technology reduces the overall size of the system virtual address space and therefore system resource maximums.
For more information, see What is 4GT. Limits on physical memory for bit platforms also depend on the Physical Address Extension PAE , which allows bit Windows systems to use more than 4 GB of physical memory. The following table specifies the limits on memory and address space for supported releases of Windows. Unless otherwise noted, the limits in this table apply to all supported releases. The following table specifies the limits on physical memory for Windows Server This separation indicates that the first 2 TB of the disk space can be used.
However, the remaining space is non-addressable because of the bit addressing space limitation of the MBR partitioning scheme. To enable the system to fully address the total capacity of the storage device, you must convert the disk to use the GPT partitioning scheme. Right-click the label on the left for the disk that you want to convert, and then click Convert to GPT Disk.
Now that the disk is initialized to access the full storage capacity, you must create a partition, and then format that partition by using a file system. Because the transition to a single-disk capacity of greater than 2 TB has occurred fairly recently, Microsoft has investigated how Windows supports these large disks.
The results reveal several issues that apply to all versions of Windows earlier than and including Windows 7 with Service Pack 1 and Windows Server R2 with Service Pack 1. To this point, the following incorrect behavior is known to occur when Windows handles single-disk storage capacity of greater than 2 TB:. The numeric capacity beyond 2 TB overflows. It results in the system being able to address only the capacity beyond 2 TB. For example, on a 3-TB disk, the available capacity may be only 1 TB.
The numeric capacity beyond 2 TB is truncated. It results in no more than 2 TB of addressable space. For example, on a 3-TB disk, the available capacity may be only 2 TB.
The storage device isn't detected correctly. In this case, it isn't displayed in either the Device Manager or Disk Management windows. Many storage controller manufacturers offer updated drivers that provide support for storage capacities of more than 2 TB. Contact your storage controller manufacturer or OEM to determine what downloadable support is available for single-disk capacities that are greater than 2 TB. When a disk encounters errors that are related to unreadable or unwritable sectors, it reports those errors and the relevant SCSI sense data to the operating system.
Therefore, the retrieved SCSI sense data either does not contain information about bad sectors or it contains incorrect information about bad sectors. Administrators should note this limitation when they look for bad sector LBA information that's recorded in the Windows event log.
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