Thanks.

identify -limit returns this:

File       Area     Memory        Map       Disk
------------------------------------------------
 768    490.0mb    980.0mb     1.91gb    4.000eb

results from top:

PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
3807 randall   18   0 14496 6616 2448 D  8.0  0.7  17:24.12 convert

top shows that convert is using approx 14mb of virtual memory, not 980mb. Does this mean the memory map request is denied?

Randall

[EMAIL PROTECTED] wrote:
ImageMagick stores image pixels to memory if the memory allocation request
is honored and the request is less than the memory limits.  Type

  identify -list resource

to see the limits.  You can modify the limits with the -limit command line
option (.e.g. -limit memory 2048).

If memory is denied, ImageMagick caches the image pixels to disk and attempts
to memory map it for efficient I/O.  If the memory map limit is exceeded or the
memory map request is denied by the system, all pixel cache I/O is to/from
disk.  If the disk limit is exceeded, ImageMagick exits.

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