Date: Wed, 9 Jun 2010 18:18:23 -0400 From: Nick Rogers <ncrogers@gmail.com> To: FreeBSD STABLE <freebsd-stable@freebsd.org> Subject: Re: arp -na performance w/ many permanent entries Message-ID: <AANLkTinwbTsBZxI77vXPNAO6sWTz7KXAbap0wTFsBRgn@mail.gmail.com> In-Reply-To: <AANLkTilTBOf4jmMqajyjgdmdTRFiphIJExEjm-3T3oUG@mail.gmail.com> References: <AANLkTilKiJDLqqwgdKIAUJY-O7jXb4A4FGyPlZZSnjyj@mail.gmail.com> <AANLkTimQFH5biSlhy0Bm1Cc61DF5lutMacAn_ONiSB2W@mail.gmail.com> <20100606031627.GA4742@icarus.home.lan> <AANLkTikHCs2x2qiinD9LRnbV0YhXsBKrUFuT_utstzUu@mail.gmail.com> <AANLkTilTBOf4jmMqajyjgdmdTRFiphIJExEjm-3T3oUG@mail.gmail.com>
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On Sun, Jun 6, 2010 at 4:23 PM, Nick Rogers <ncrogers@gmail.com> wrote: > > > On Sat, Jun 5, 2010 at 11:54 PM, Garrett Cooper <yanefbsd@gmail.com>wrote: >> >> >> I agree with Jeremy. I think that the problem that you've >> discovered is the fact that it's using stdio-based buffered output >> instead of buffering more of the contents in a string and punting it >> out in larger chunks. >> HTH, >> -Garrett >> > > I don't think so. The performance difference when taking out the interface > lookup is huge even though the data output to STDOUT is mostly the same. > I'll try the other lists, thanks. > > FYI there is a bugfix/patch for this issue being discussed in freebsd-hackers: http://www.mail-archive.com/freebsd-hackers@freebsd.org/msg157097.html Thanks again for suggesting I try another list.
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