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Top Forums UNIX for Advanced & Expert Users problem with diff and tcl scripts freaking out unix Post 40509 by davidg on Wednesday 17th of September 2003 05:22:07 AM
Old 09-17-2003
Hi,

Please try to find vhand in your top.
Most of all, during these "simple" diff's the memory gets overloaded. This is the time you are swapping, swap full ??

Swapinfo -l will tell you more on solaris. You might want to create an extra swapfile.

Please be aware that a sparc 5 has a very low capacity, Also 2.5.1 is quiet old. At least you should have Sol 8 on it. This os prevents doeing processes things like you mention.

Regs David
 

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dynamic_pager(8)					    BSD System Manager's Manual 					  dynamic_pager(8)

NAME
dynamic_pager -- external storage manager for dynamic pager SYNOPSIS
dynamic_pager [-F filename] [-S filesize] [-H high-water-trigger] [-L low-water-trigger] [-P priority] DESCRIPTION
The dynamic_pager daemon manages a pool of external swap files which the kernel uses to support demand paging. This pool is expanded with new swap files as load on the system increases. It is contracted when the swapping resources are no longer needed. The dynamic_pager daemon also provides a notification service for those applications which wish to receive notices when the external paging pool expands or contracts. OPTIONS
-F The base name of the filename to use for the external paging files. By default this is /private/var/vm/swapfile. -H If there are less than high-water-trigger bytes free in the external paging files, the kernel will signal dynamic_pager to add a new external paging file. -L If there are more than low-water-trigger bytes free in the external paging files, the kernel will coalese in-use pages and signal dynamic_pager to discard an external paging file. Low-water-trigger must be greater than high-water-trigger + filesize. -P This option is currently unimplemented. -S The fixed filesize [in bytes] to use for the paging files. By default dynamic_pager uses variable sized paging files, using larger sized files as paging demands increase. The -S, -H and -L options disable that default and cause dynamic_pager to use a series of fixed sized external paging files. FILES
/private/var/vm/swapfile* Default external paging files. /Library/Preferences/com.apple.virtualMemory.plist Configuration file. XML PROPERTY LIST KEYS
The following keys can be specified in the configuration file. Please see plist(5) for more information about property list files. UseEncryptedSwap <boolean> This optional key activates encrypted swap (aka Secure VM), so that all data is encrypted before being written to a swap file. The default is on for portable computers and off for other computers. Mac OS X July 8, 2003 Mac OS X
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