Date: Wed, 12 Jan 2011 10:56:43 +0100 From: Robert Schulze <rs@bytecamp.net> To: freebsd-fs@freebsd.org Subject: nfs and dropped udp datagrams Message-ID: <4D2D7ADB.3090902@bytecamp.net>
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I wonder how big kern.ipc.maxsockbuf shall be tuned on a busy NFS-Server. In the last time, I often see clients loosing connection to their mounted directories. Furthermore, I see increasing counts for upd datagrams "dropped due to full socket buffers" in netstat -s -p udp. The mbuf situation does not seem to be the reason for the lost connections, vmstat -z shows 0 failures in the mbuf section. Are there any other tunables which could prevent loss of connection to the server? What is a reasonable value for maxsockbuf? With kind regards, Robert Schulze
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