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Thread: SAP Power LPAR's SUSE Linux 11 SP4 network performance slow

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    Angry SAP Power LPAR's SUSE Linux 11 SP4 network performance slow

    Hi Team ,

    We have SUSE LInux LPAR's which all are running in the Power 822 ,These LPAR's are hosted in the AIX VIO servers . As of now the " niping "values from SAP level is not good values , It shows around 360 msec. They want to reduce less than 100msec. Please let us know any kernel parameter or network parameters can be tuned to reduce "niping" values . Any parameter available to increase network parameters




    bond1 Link encap:Ethernet HWaddr F2:30:9F:20:29:1F
    inet addr:10.1.52.46 Bcast:10.1.55.255 Mask:255.255.252.0
    inet6 addr: fe80::f030:9fff:fe20:291f/64 Scope:Link
    UP BROADCAST RUNNING MASTER MULTICAST MTU:9000 Metric:1
    RX packets:106570387 errors:0 dropped:51466640 overruns:0 frame:0
    TX packets:9300417 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:11421148836 (10892.0 Mb) TX bytes:1625692948 (1550.3 Mb)





    ifcfg-bond1 --configurations :

    STARTMODE='auto'
    # or 'onboot'
    BOOTPROTO='static'
    IPADDR='10.1.52.46/22'
    BONDING_MASTER='yes'
    BONDING_SLAVE_0='eth1'
    BONDING_SLAVE_1='eth4'
    GATEWAY='10.1.52.30'
    #BONDING_MODULE_OPTS='mode=active-backup miimon=100'
    BONDING_MODULE_OPTS='mode=active-backup arp_interval=2500 arp_ip_target=10.1.52.30 primary=eth1 arp_validate=all'
    BROADCAST=''
    ETHTOOL_OPTIONS=''
    MTU='9000'
    NAME=''
    NETWORK=''
    REMOTE_IPADDR=''
    USERCONTROL='no'
    IPADDR_1='10.1.52.3'
    NETMASK_1='255.255.252.0'
    BROADCAST_1='10.1.55.255'


    Current niping values .
    qw0adm> more QW005406092018-162824.txt
    av2;0.374;ms
    av2;0.370;ms
    av2;0.361;ms
    av2;0.360;ms
    av2;0.365;ms
    av2;0.387;ms
    av2;0.365;ms
    av2;0.369;ms
    av2;0.394;ms
    av2;0.389;ms

    Regards
    Sebastian
    91 9884430211
    Last edited by ibmsdc; 14-Sep-2018 at 13:00.

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