close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_fs.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 2 and Version 3 of GPFS_Tuning_Kernel_Net


Ignore:
Timestamp:
Feb 26, 2008, 5:44:18 PM (18 years ago)
Author:
rock
Comment:

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Legend:

Unmodified
Added
Removed
Modified

  • GPFS_Tuning_Kernel_Net

    v2 v3  
    1818||net.ipv4.tcp_window_scaling ||1 ||1||
    1919||net.ipv4.tcp_wmem ||4096 16384 131072 ||8192 262144 4194304||
     20
     21----
     22
     23{{{
     24$ sysctl -w net.ipv4.conf.all.arp_filter=1
     25$ sysctl -w net.ipv4.conf.all.rp_filter=1
     26$ sysctl -w net.ipv4.tcp_max_syn_backlog=4096
     27$ sysctl -w net.ipv4.ipfrag_low_thresh=262144
     28$ sysctl -w net.ipv4.ipfrag_high_thresh=393216
     29$ sysctl -w net.core.netdev_max_backlog=2000
     30$ sysctl -w net.core.rmem_default=262144
     31$ sysctl -w net.core.rmem_max=8388608
     32$ sysctl -w net.core.wmem_default=262144
     33$ sysctl -w net.core.wmem_max=8388608
     34$ sysctl -w net.ipv4.ip_local_port_range="1024 65535"
     35$ sysctl -w net.ipv4.ip_no_pmtu_disc=0
     36$ sysctl -w net.ipv4.tcp_rmem="8192 262144 4194304"
     37$ sysctl -w net.ipv4.tcp_sack=0
     38$ sysctl -w net.ipv4.tcp_syncookies=0
     39$ sysctl -w net.ipv4.tcp_timestamps=0
     40$ sysctl -w net.ipv4.tcp_window_scaling=1
     41$ sysctl -w net.ipv4.tcp_wmem="8192 262144 4194304"
     42}}}