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Date: Wed, 21 Apr 2010 22:27:23 +0400 From: Evgeniy Polyakov <zbr@...emap.net> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Ben Greear <greearb@...delatech.com>, David Miller <davem@...emloft.net>, Gaspar Chilingarov <gasparch@...il.com>, netdev <netdev@...r.kernel.org> Subject: Re: PROBLEM: Linux kernel 2.6.31 IPv4 TCP fails to open huge amount of outgoing connections (unable to bind ... ) On Wed, Apr 21, 2010 at 01:27:33PM +0200, Eric Dumazet (eric.dumazet@...il.com) wrote: > Here is the patch I use now and my test application is now able to open > and connect 1000000 sockets (ulimit -n 1000000) > > Trick is bind_conflict() must refuse a socket to bind to a port on a non > null IP if another socket already uses same port on same IP. > > Plus the previous patch sent (check a conflict before exiting the search > loop) > > What do you think ? Looks good, but do we want to check only reused socket's address there? What if one of the sockets does not have reuse option turned on, will it break? -- Evgeniy Polyakov -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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