Re(2): Lost UDP packets
Re(2): Lost UDP packets
- Subject: Re(2): Lost UDP packets
- From: "Peter Lovell" <email@hidden>
- Date: Mon, 27 Sep 2004 12:35:59 -0400
>The lost packets _are_ being dropped "due to full socket buffers" - the
>netstat lost packet count exactly matches the missing packets in my app.
>
>Also, the packet loss occurs around the same packet index every time.
>The first lost packet is always about #102, and all remaining packets
>of the 160-170 sent are lost.
>
>The socket SO_RCVBUF size is 224k (biggest I can get, and I do read it
>back to check), and my packets are 1048 UDP bytes each, so there should
>be plenty of room.
IIRC the cluster size is 2048. So that would allow for 112 packets.
That's not too far from the 102 you observe. Unlike TCP, UDP packets are
never collected together to save space, so half of each cluster is unused.
I'm not sure what options there might be to help over this.
Regards.....Peter
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