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How to increase "SHARED MEMORY"

Posted 09-17-2013 at 03:17 AM by pantdk

=> INCREASE SHARED MEMORY

1) Check the requirement of the user - say it is 75 % of RAM

2) Check RAM (free -m)

3) Calculate new shared memory size, 75 % in our example - say it is 105 G

4) Follow below steps

# sudo cp -p /etc/fstab /etc/fstab_`date +%d-%m-%Y`

# sudo vim /etc/fstab

tmpfs /dev/shm tmpfs defaults,size=107520m 0 0

# sudo mount -o remount,size=107520m /dev/shm

5) Verify, new size

# df -hTP /dev/shm

Size should be 105G
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