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Table of Contents

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Info

The NMIS Self Test settings may need to be adjusted if the nmis8/var directory is running at a high rate of usage.  Look for the following attributes in nmis8/conf/Config.nmis:

  • 'selftest_min_diskfree_percent' => 10
  • 'selftest_min_diskfree_mb' => 25

 

Step #2 - Create the RAM disk

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When creating the RAM disk the size parameter may be a number expressed with the suffix k, m or g (kilo, mega, and giga).  It may also be expressed with the % sign.  For example if you'd like to allow the ramdisk to consume up to 25 percent of the available RAM the following technique could be used.


mount

...

-t

...

tmpfs

...

-o

...

size=25%

...

tmpfs

...

/media/ramdisk

Keep

...

in

...

mind

...

that

...

the

...

ramdisk

...

will

...

not

...

immediately

...

consume

...

the

...

amount

...

of

...

RAM

...

specified.

...

   This

...

is

...

the

...

most

...

it

...

will

...

be

...

allowed

...

to

...

consume

...

should

...

it

...

need

...

to.

...

Also

...

keep

...

in

...

mind

...

that

...

if

...

the

...

RAM

...

is

...

oversubscribed

...

the

...

ramdisk

...

could

...

be

...

pushed

...

into

...

swap.

...

  If

...

the

...

ramdisk

...

find's

...

itself

...

in

...

swap

...

space

...

it

...

defeats

...

the

...

purpose

...

of

...

this

...

expedition,

...

so

...

do

...

try

...

to

...

avoid

...

this

...

situation.

Use the df command to confirm that the ramdisk was created.

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