From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Williams Date: Thu, 14 Oct 2010 00:18:52 -0500 Subject: [Lustre-devel] Query to understand the Lustre request/reply message In-Reply-To: References: <20101013054233.GC1635@oracle.com> <20101013071201.GD1635@oracle.com> <49BEA69F-6931-473E-AA86-4A676A71607A@clusterstor.com> <20101013074345.GH1635@oracle.com> <023F45A1-E881-4FD2-AF75-93324876C909@clusterstor.com> <20101014002844.GY1635@oracle.com> Message-ID: <20101014051852.GZ1635@oracle.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org On Thu, Oct 14, 2010 at 06:38:16AM +0300, Alexey Lyashkov wrote: > On Oct 14, 2010, at 03:28, Nicolas Williams wrote: > > Yes, it's possible to add buffers to requests. It's not possible to add > > buffers to _replies_ to existing RPCs unless you know the client expects > > those additional buffers -- existing clients expect a given maxsize for > > each reply, and if your reply is bigger then it will get dropped. > It is wrong for last ~1year. > ~1year ago i add code to ptlrpc layer which a adjust buffer for reply, and resend a request. Ah, I didn't know that was in 1.8. Are there interop issues (with older clients) though with sending larger replies than expected?