From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:14267 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751630Ab2C2QRQ (ORCPT ); Thu, 29 Mar 2012 12:17:16 -0400 From: "Myklebust, Trond" To: Kevin Graham CC: Jim Rees , Vivek Trivedi , "linux-nfs@vger.kernel.org" , Namjae Jeon , "amit.sahrawat83@gmail.com" Subject: Re: NFS: low read/stat performance on small files Date: Thu, 29 Mar 2012 16:16:52 +0000 Message-ID: <1333037819.5547.23.camel@lade.trondhjem.org> References: <20120323114913.GB24489@umich.edu> <1332505002.20500.14.camel@lade.trondhjem.org> <8E325A03-6EE9-4303-AB52-8BA252E39325@corp.yahoo.com> In-Reply-To: <8E325A03-6EE9-4303-AB52-8BA252E39325@corp.yahoo.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gVGh1LCAyMDEyLTAzLTI5IGF0IDA4OjUyIC0wNzAwLCBLZXZpbiBHcmFoYW0gd3JvdGU6DQo+ IE9uIE1hciAyMywgMjAxMiwgYXQgNToxNiBBTSwgTXlrbGVidXN0LCBUcm9uZCB3cm90ZToNCj4g DQo+ID4gQWxsIHRoZXNlIHRhc2tzIGhhdmUgdG8gYmUgZG9uZSBpbiBzZXJpZXMgKHlvdSBjYW5u b3QgZG8gdGhlbSBpbiBwYXJhbGxlbCksIGFuZCBzbyB0aGUNCj4gPiBsYXRlbmN5IG9mIGVhY2gg dGFzayBpcyBsaW1pdGVkIGJ5IHRoZSByb3VuZC10cmlwIHRpbWUgdG8gdGhlIHNlcnZlci4NCj4g DQo+IA0KPiBXaWxsIHRoZSB2NCBjbGllbnQgYXQgbGVhc3QgY29sbGFwc2UgdGhlbSBpbnRvIGEg c2luZ2xlIGNvbXBvdW5kIG9wPw0KPiANCg0KV2hlcmUgcG9zc2libGUsIHllcywgYnV0IHRoZXJl IGlzIHBsZW50eSBvZiBzdHVmZiB3aGVyZSB0aGUgTkZTIGNsaWVudA0Kc2ltcGx5IGRvZXNuJ3Qg aGF2ZSBlbm91Z2ggaW5mb3JtYXRpb24gdG8gZG8gdGhhdC4gRm9yIGluc3RhbmNlLCB3ZQ0KZG9u J3QgeWV0IGhhdmUgdGhlIGNhcGFiaWxpdHkgaW4gdGhlIFZGUyB0byBhc2sgTkZTIHRvIGxvb2sg dXAgc2V2ZXJhbA0KcGF0aCBjb21wb25lbnRzIGF0IHRoZSBzYW1lIHRpbWUuDQoNCkZ1cnRoZXJt b3JlLCBzb21lIG9mIHRoZXNlIHRoaW5ncyBhcmUgc2VwYXJhdGUgc3lzdGVtIGNhbGxzLiBUaGUN CmZpbGVzeXN0ZW0gY2FuJ3QganVzdCBhc3N1bWUgdGhhdCBvcGVuKE9fUkRPTkxZKSBtZWFucyB0 aGF0IHdlIHNob3VsZA0Kc3RhcnQgcmVhZCBhaGVhZCwgYW5kIHRoZW4gY2xvc2UgdGhlIGZpbGUs IHNvIEkgZG9uJ3QgZXZlciBzZWUgdXMgYmVpbmcNCmFibGUgdG8gY29sbGFwc2UgT1BFTitSRUFE K0NMT1NFIGludG8gYSBzaW5nbGUgY29tcG91bmQuDQoNCi0tIA0KVHJvbmQgTXlrbGVidXN0DQpM aW51eCBORlMgY2xpZW50IG1haW50YWluZXINCg0KTmV0QXBwDQpUcm9uZC5NeWtsZWJ1c3RAbmV0 YXBwLmNvbQ0Kd3d3Lm5ldGFwcC5jb20NCg0K