Use RAM in Kerrighed (tmpfs)
1. Introduction
Because Kerrighed can merge all client RAM (like shared memory architecture). So we can use partial RAM to be a fast disk. In this article, we utilize tmpfs to accomplish it.
2. Check our RAM size
$ top Each node has 2G, we have 7 nodes. Total RAM size is 14G.
2. Use RAM in Kerrighed
We use 7g RAM to be a disk. $ mount tmpfs /home/ram -t tmpfs -o size=7g $ dd if=/dev/zero of=/home/ram/tmp_3g.img bs=1m count=3000 $ dd if=/dev/zero of=/home/ram/tmp_3g.img2 bs=1m count=3000
3. Check RAM status
$ df -h
$ mount | grep /home/ram
Last modified 17 years ago
Last modified on Apr 2, 2008, 2:27:10 PM
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