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From:SRM SRM Date:June 6 2007 4:14am
Subject:RE: Performance problems with NFS connected DB server ( to NetApp filer)
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What do each of these "net*" parameters represent?  TIA.



>To: "Zuylen, G. van" <GvZuylen@stripped>
>CC: <maxdb@stripped>
>Subject: RE: Performance problems with NFS connected DB server ( to NetApp 
>filer)
>Date: Wed, 25 Apr 2007 10:06:44 +0200
>
>Hi Gert,
>
>We use the following option and decreased our backup time by 30 %:
>
>net.core.rmem_max=8388608
>net.core.wmem_max=8388608
>net.core.wmem_default=8388608
>net.core.rmem_default=8388608
>net.core.netdev_max_backlog=4096
>net.ipv4.tcp_rmem = "4096 87380 4194304"
>net.ipv4.tcp_wmem = "4096 87380 4194304"
>net.ipv4.tcp_mem = "4096 87380 4194304"
>
>Is the filer able to use such big TCP window sizes? How many volumes do you 
>use?
>
>
>Greetz,
>
>SIEGENIA-AUBI KG
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Thread
RE: Performance problems with NFS connected DB server ( to NetApp filer)Markus ICC-H Döhr25 Apr
  • Re: Performance problems with NFS connected DB server ( to NetApp filer)Robert Klemme26 Apr
    • Re: Performance problems with NFS connected DB server ( to NetApp filer)Jonah H. Harris27 Apr
  • RE: Performance problems with NFS connected DB server ( to NetApp filer)SRM SRM6 Jun
    • Re: Performance problems with NFS connected DB server ( to NetApp filer)Jonah H. Harris6 Jun
    • Re: Performance problems with NFS connected DB server ( to NetAppfiler)Roy L Butler6 Jun
Re: Performance problems with NFS connected DB server ( to NetApp filer)Robert Klemme27 Apr
RE: Performance problems with NFS connected DB server ( to NetApp filer)Markus ICC-H Döhr27 Apr
Re: Performance problems with NFS connected DB server ( to NetApp filer)Jonah H. Harris27 Apr
  • Re: Performance problems with NFS connected DB server ( to NetApp filer)Jonah H. Harris27 Apr