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Changes between Version 3 and Version 4 of krg_tmpfs


Ignore:
Timestamp:
Mar 18, 2008, 3:55:35 PM (18 years ago)
Author:
rock
Comment:

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  • krg_tmpfs

    v3 v4  
    55Because Kerrighed can merge all client RAM (like shared memory architecture). So we can use partial RAM to be fast disk. We use tmpfs to accomplish.
    66
     7[[BR]]
    78== 2. Check our RAM size ==
    89{{{
    910$ top
     11Each node has 2G, we have 7 nodes. Total RAM size is 14G.
    1012}}}
    1113[[Image(krg_ram_top.png)]]
    1214
     15[[BR]]
    1316== 2. Use RAM in Kerrighed ==
    1417{{{
     18We use 7g RAM to be disk.
    1519$ mount -t /dev/shm /home/ram -o size=7g
    1620$ dd if=/dev/zero of=/home/ram/tmp_3g.img   bs=1m count=3000
    … …  
    1822}}}
    1923
    20 == 2. Check RAM status ==
     24[[BR]]
     25== 3. Check RAM status ==
    2126{{{
    2227$ df -h