From: Ben Greear <greearb@candelatech.com>
To: unlisted-recipients:; (no To-header on input)@localhost.localdomain
Cc: Chris Wright <chris@wirex.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: question on select: How big can the empty buffer space be before select returns ready-to-write?
Date: Mon, 10 Dec 2001 09:41:49 -0700 [thread overview]
Message-ID: <3C14E5CD.9050906@candelatech.com> (raw)
In-Reply-To: <E16DLx4-0001Ds-00@the-village.bc.nu>
Alan Cox wrote:
>>* Ben Greear (greearb@candelatech.com) wrote:
>>
>>>For instance, it appears that select will return that a socket is
>>>writable when there is, say 8k of buffer space in it. However, if
>>>I'm sending 32k UDP packets, this still causes me to drop packets
>>>due to a lack of resources...
>>>
>>udp has a fixed 8k max payload. did you try breaking up your packets?
>>
>
> UDP has a 64K - headers max payload.
Yes, and I am writing code to specifically try out large UDP
packet sizes, so limiting myself to a certain size is not at
all useful in this case....
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com> <Ben_Greear AT excite.com>
President of Candela Technologies Inc http://www.candelatech.com
ScryMUD: http://scry.wanfear.com http://scry.wanfear.com/~greear
next prev parent reply other threads:[~2001-12-10 16:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-10 6:16 question on select: How big can the empty buffer space be before select returns ready-to-write? Ben Greear
2001-12-10 7:33 ` Chris Wright
2001-12-10 8:38 ` Alan Cox
2001-12-10 16:41 ` Ben Greear [this message]
2001-12-10 19:05 ` Christopher Friesen
2001-12-10 21:46 ` Chris Wright
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