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Assuming that you want to open and send the same file at each new connection, you can use -U, the reverse direction to -u, and the reversed addresses, as in the following socat -b1048576 -U TCP4-LISTEN:9899,reuseaddr,fork OPEN:somefile.dat socat TCP:127.0.0.1:9899 - >/dev/null If you want the file to repeat ad infinitum, you can use something like ...


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Lookup tpacket_rcv: it's in af_packet.c. AF_PACKET means tcpdump. It looks like someone else saw a problem triggered by tcpdump, without resolution: https://groups.google.com/forum/#!msg/mechanical-sympathy/qLqYTouygTE/rq9XSBxgqiMJ But I'm suspicious about drops in tpacket_rcv. Probably it means function exit via the label ring_is_full. It sounds like ...


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I of course can't give you the answer to your situation, but I wan't to try and give you some ideas on it. First of all: use SSDs! I understood that you can't affort them yet, but you will definitely love them once you have them. And I assume it is a better idea to do this whole setup once and for all, not now and in a few month you have to do it all over ...


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Another suggestion: You can also just buy a second hand brand name workstation (or build a custom one but I think it's not worth it) with 32/64gigs of ram and 2 x 8 core Xeon E5-2670s for instance (+hyperthreading, thus having 32 CPU threads), with 3 drives in RAID5 and install an OS as a hypervisor and have your 3 OS's in virtual machines. This way you can ...



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