Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 46178 invoked from network); 3 Feb 2011 23:03:56 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 3 Feb 2011 23:03:56 -0000 Received: (qmail 13385 invoked by uid 500); 3 Feb 2011 23:03:54 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 13339 invoked by uid 500); 3 Feb 2011 23:03:54 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 13320 invoked by uid 99); 3 Feb 2011 23:03:54 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 Feb 2011 23:03:54 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jwang@palantir.com designates 206.188.26.34 as permitted sender) Received: from [206.188.26.34] (HELO mx2.palantir.com) (206.188.26.34) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 Feb 2011 23:03:49 +0000 Received: from pa-ex-01.YOJOE.local (10.160.10.13) by sj-ex-cas-01.YOJOE.local (10.160.10.12) with Microsoft SMTP Server (TLS) id 8.1.436.0; Thu, 3 Feb 2011 15:03:28 -0800 Received: from pa-ex-01.YOJOE.local ([10.160.10.13]) by pa-ex-01.YOJOE.local ([10.160.10.13]) with mapi; Thu, 3 Feb 2011 15:03:28 -0800 From: Jeffrey Wang To: "user@cassandra.apache.org" Date: Thu, 3 Feb 2011 15:03:26 -0800 Subject: RE: rolling window of data Thread-Topic: rolling window of data Thread-Index: AcvDwiw8PbnD6g0SS26lXfau6OxQ0wAM8pzA Message-ID: <5FAFCB6230A1754CBC58296E62D8D5E602E4BC6580@pa-ex-01.YOJOE.local> References: <5FAFCB6230A1754CBC58296E62D8D5E602E4BC613A@pa-ex-01.YOJOE.local> <2ecb62be-81b4-65b2-f1a7-eb47f341733f@me.com> <5FAFCB6230A1754CBC58296E62D8D5E602E4BC6167@pa-ex-01.YOJOE.local> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 VGhhbmtzIGZvciB0aGUgcmVzcG9uc2UsIGJ1dCB1bmZvcnR1bmF0ZWx5IGEgVFRMIGlzIG5vdCBl bm91Z2ggZm9yIHVzLiBXZSB3b3VsZCBsaWtlIHRvIGJlIGFibGUgdG8gZHluYW1pY2FsbHkgY29u dHJvbCB0aGUgd2luZG93IGluIGNhc2UgdGhlcmUgaXMgYW4gdW51c3VhbGx5IGxhcmdlIGFtb3Vu dCBvZiBkYXRhIG9yIHNvbWV0aGluZyBzbyB3ZSBkb24ndCBydW4gb3V0IG9mIGRpc2sgc3BhY2Uu DQoNCk9uZSBxdWVzdGlvbiBJIGhhdmUgaW4gcGFydGljdWxhciBpczogaWYgSSB1c2UgdGhlIHRp bWVzdGFtcCBvZiBteSBsb2cgZW50cmllcyAobm90IG5lY2Vzc2FyaWx5IGNvcnJlbGF0ZWQgYXQg YWxsIHdpdGggdGhlIHRpbWVzdGFtcCBvZiBpbnNlcnQpIGFzIHRoZSB0aW1lc3RhbXAgb24gbXkg bXV0YXRpb25zIHdpbGwgQ2Fzc2FuZHJhIGRvIHRoZSByaWdodCB0aGluZyB3aGVuIEkgZGVsZXRl PyBXZSBkb24ndCBoYXZlIGFueSBuZWVkIGZvciBjb25mbGljdCByZXNvbHV0aW9uLCBzbyB3ZSBh cmUgY3VycmVudGx5IGp1c3QgdXNpbmcgdGhlIGN1cnJlbnQgdGltZS4NCg0KSXQgc2VlbXMgbGlr ZSB0aGVyZSBpcyBhIHBvc3NpYmlsaXR5LCBkZXBlbmRpbmcgb24gdGhlIGltcGxlbWVudGF0aW9u IGRldGFpbHMgb2YgQ2Fzc2FuZHJhLCB0aGF0IEkgY291bGQgY2FsbCBhIHJlbW92ZSB3aXRoIGEg dGltZXN0YW1wIGZvciB3aGljaCBldmVyeXRoaW5nIGJlZm9yZSB0aGF0IHNob3VsZCBnZXQgZGVs ZXRlZC4gTGlrZSBJIHNhaWQgYmVmb3JlLCB0aGlzIHNlZW1zIGEgYml0IGhhY2t5IHRvIG1lLCBi dXQgd291bGQgaXQgZ2V0IHRoZSBqb2IgZG9uZT8NCg0KLUplZmZyZXkNCg0KLS0tLS1PcmlnaW5h bCBNZXNzYWdlLS0tLS0NCkZyb206IHNjb2RlQHNjb2RlLm9yZyBbbWFpbHRvOnNjb2RlQHNjb2Rl Lm9yZ10gT24gQmVoYWxmIE9mIFBldGVyIFNjaHVsbGVyDQpTZW50OiBUaHVyc2RheSwgRmVicnVh cnkgMDMsIDIwMTEgODo0OCBBTQ0KVG86IHVzZXJAY2Fzc2FuZHJhLmFwYWNoZS5vcmcNClN1Ympl Y3Q6IFJlOiByb2xsaW5nIHdpbmRvdyBvZiBkYXRhDQoNCj4gVGhlIGNvcnJlY3Qgd2F5IHRvIGFj Y29tcGxpc2ggd2hhdCB5b3UgZGVzY3JpYmUgaXMgdGhlIG5ldyAoaW4gMC43KQ0KPiBwZXItY29s dW1uIFRUTC7CoCBTaW1wbHkgc2V0IHRoaXMgdG8gNjAgKiA2MCAqIDI0ICogOTAgKDkwIGRheSdz IHdvcnRoIG9mDQo+IHNlY29uZHMpIGFuZCB5b3VyIGNvbHVtbnMgd2lsbCBtYWdpY2FsbHkgZGlz YXBwZWFyIGFmdGVyIHRoYXQgbGVuZ3RoIG9mDQo+IHRpbWUuDQoNCkFsdGhvdWdoIHRoYXQgYXNz dW1lcyBpdCdzIG9rYXkgdG8gbG9vc2UgZGF0YSBvciB0aGF0IHRoZXJlIGlzIHNvbWUNCm90aGVy IG1ldGhvZCBpbiBwbGFjZSB0byBwcmV2ZW50IGxvc3Mgb2YgaXQgc2hvdWxkIHRoZSBkYXRhIG5v dCBiZQ0KcHJvY2Vzc2VkIHRvIHdoYXRldmVyIGV4dGVudCBpcyByZXF1aXJlZC4NCg0KVFRMOnMg d291bGQgYmUgYSBncmVhdCB3YXkgdG8gZWZmaWNpZW50bHkgYWNoaWV2ZSB0aGUgd2luZG93aW5n LCBidXQNCml0IGRvZXMgcmVtb3ZlIHRoZSBhYmlsaXR5IHRvIGV4cGxpY2l0bHkgY29udHJvbCBl eGFjdGx5IHdoZW4gZGF0YSBpcw0KcmVtb3ZlZCAoc3VjaCBhcyBhZnRlciBjZXJ0YWluIGJhdGNo IHByb2Nlc3Npbmcgb2YgaXQgaGFzIGNvbXBsZXRlZCkuDQoNCi0tIA0KLyBQZXRlciBTY2h1bGxl cg0K