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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: root@chaos.analogic.com
Cc: Chuck Lever <cel@citi.umich.edu>, Dan Kegel <dank@kegel.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] new timeout behavior for RPC requests on TCP sockets
Date: 13 Nov 2002 17:49:30 +0100	[thread overview]
Message-ID: <shsd6p9mn39.fsf@charged.uio.no> (raw)
In-Reply-To: <Pine.LNX.3.95.1021113113943.2196A-100000@chaos.analogic.com>

>>>>> " " == Richard B Johnson <root@chaos.analogic.com> writes:

     > If the application "chooses to drop the request", the kernel is
     > not required to fix that application. The RPC cannot retransmit
     > if it has been shut-down or disconnected, which is about the
     > only way the application could "choose to drop the request". So
     > something doesn't smell right here.

An NFS server is perfectly free to drop an RPC request if it doesn't
have the necessary free resources to service it (i.e. if it is out of
memory). If the client doesn't time out + retry, you lose data. Not a
good idea...

Cheers,
  Trond

  reply	other threads:[~2002-11-13 16:42 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-12 23:48 [PATCH] new timeout behavior for RPC requests on TCP sockets Dan Kegel
2002-11-13 15:58 ` Chuck Lever
2002-11-13 16:44   ` Richard B. Johnson
2002-11-13 16:49     ` Trond Myklebust [this message]
2002-11-13 18:38       ` Richard B. Johnson
2002-11-14 15:41         ` Trond Myklebust
2002-11-14 18:36           ` Richard B. Johnson
2002-11-14 19:33             ` Trond Myklebust
2002-11-14 20:26             ` Chuck Lever
2002-11-14 20:37               ` Richard B. Johnson
2002-11-14 21:05             ` Chuck Lever
2002-11-13 17:42     ` Alan Cox
2002-11-13 18:33       ` Richard B. Johnson
  -- strict thread matches above, loose matches on Subject: below --
2002-11-26 19:57 Chuck Lever
2002-11-12 23:15 Chuck Lever

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