Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 7A419100C1 for ; Tue, 17 Dec 2013 08:36:46 +0000 (UTC) Received: (qmail 20912 invoked by uid 500); 17 Dec 2013 08:36:42 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 20240 invoked by uid 500); 17 Dec 2013 08:36:36 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 20229 invoked by uid 99); 17 Dec 2013 08:36:33 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 17 Dec 2013 08:36:33 +0000 X-ASF-Spam-Status: No, hits=3.5 required=5.0 tests=FREEMAIL_REPLY,HTML_FONT_FACE_BAD,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of bigdatabase@outlook.com designates 65.54.190.86 as permitted sender) Received: from [65.54.190.86] (HELO bay0-omc2-s11.bay0.hotmail.com) (65.54.190.86) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 17 Dec 2013 08:36:25 +0000 Received: from BAY169-W3 ([65.54.190.123]) by bay0-omc2-s11.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Tue, 17 Dec 2013 00:36:03 -0800 X-TMN: [2YLQ10c/8+1H+MbPN/Ycn0N8WPx4CAy6] X-Originating-Email: [bigdatabase@outlook.com] Message-ID: Content-Type: multipart/alternative; boundary="_79d766f8-6b45-43bb-b82d-132b6a803796_" From: bigdata To: hbase Subject: RE: Is it necessary to set MD5 on rowkey? Date: Tue, 17 Dec 2013 08:36:03 +0000 Importance: Normal In-Reply-To: References: ,,, MIME-Version: 1.0 X-OriginalArrivalTime: 17 Dec 2013 08:36:03.0680 (UTC) FILETIME=[058B1E00:01CEFB03] X-Virus-Checked: Checked by ClamAV on apache.org --_79d766f8-6b45-43bb-b82d-132b6a803796_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SGVsbG8sDQpAQWxleCBCYXJhbmF1DQpUaGFua3MgZm9yIHlvdXIgc2FsdCBzb2x1dGlvbi4gSW4g bXkgdW5kZXJzdGFuZGluZywgdGhlIHNhbHQgc29sdXRpb24gaXMgZGl2aWRlIHRoZSBkYXRhIGlu dG8gc2V2ZXJhbCBwYXJ0aWFsKGlmIDIgbGV0dGVycywwMH5GRiwgdGhlbiAyNTUgcGFydHMgd2ls bCBiZSBkZXZpZGVkKS4gTXkgcXVlc3Rpb24gaXMgd2hlbiBJIHdhbnQgdG8gc2NhbiBkYXRhLCBk byBJIG5lZWQgc2NhbiAyNTYgdGltZXMgZm9yIHRoZSBmb2xsb3dpbmcgc2l0dWF0aW9uOnJvd2tl eTogIHNhbHQgcHJlZml4ICgwMH5GRikgKyBkYXRlICsgeHh4DQpBbmQgSWYgSSB3YW50IGRvIG1h cHJlZHVjZSBvbiB0aGlzIHRhYmxlLCBpZiB0aGUgaW5pdFRhYmxlTWFwcGVySm9iKExpc3Q8U2Nh bj4sLi4uKSBpcyBPSz8NCklmIGV4YW1wbGUgb2Ygc2NhbiB0aGUgc2FsdGVkIHRhYmxlIGlzIGFw cHJlY2lhdGVkIQ0KVGhhbmtzLgoKCgoKCgoKDQoNCj4gRGF0ZTogVHVlLCAxOCBEZWMgMjAxMiAx MjoxMjozNyAtMDUwMA0KPiBTdWJqZWN0OiBSZTogSXMgaXQgbmVjZXNzYXJ5IHRvIHNldCBNRDUg b24gcm93a2V5Pw0KPiBGcm9tOiBhbGV4LmJhcmFub3YudkBnbWFpbC5jb20NCj4gVG86IHVzZXJA aGJhc2UuYXBhY2hlLm9yZw0KPiANCj4gSGVsbG8sDQo+IA0KPiBATWlrZToNCj4gDQo+IEknbSB0 aGUgYXV0aG9yIG9mIHRoYXQgcG9zdCA6KS4NCj4gDQo+IFF1aWNrIHJlcGx5IHRvIHlvdXIgbGFz dCBjb21tZW50Og0KPiANCj4gMSkgQ291bGQgeW91IHBsZWFzZSBkZXNjcmliZSB3aHkgInRoZSB1 c2Ugb2YgYSAnU2FsdCcgaXMgYSB2ZXJ5LCB2ZXJ5IGJhZA0KPiBpZGVhIiBpbiBtb3JlIHNwZWNp ZmljIHdheSB0aGFuICJGZXRjaGluZyBkYXRhIHRha2VzIG1vcmUgZWZmb3J0Ii4gV291bGQgYmUN Cj4gaGVscGZ1bCBmb3IgYW55b25lIHdobyBpcyBsb29raW5nIGludG8gdXNpbmcgdGhpcyBhcHBy b2FjaC4NCj4gDQo+IDIpIFRoZSBhcHByb2FjaCBkZXNjcmliZWQgaW4gdGhlIHBvc3QgYWxzbyBz YXlzIHlvdSBjYW4gcHJlZml4IHdpdGggdGhlDQo+IGhhc2gsIHlvdSBwcm9iYWJseSBtaXNzZWQg dGhhdC4NCj4gDQo+IDMpIEkgYmVsaWV2ZSB5b3VyIGFuc3dlciwgInVzZSBNRDUgb3IgU0hBLTEi IGRvZXNuJ3QgaGVscCBiaWdkYXRhIGd1eS4NCj4gUGxlYXNlIHJlLXJlYWQgdGhlIHF1ZXN0aW9u OiB0aGUgaW50ZW50aW9uIGlzIHRvIGRpc3RyaWJ1dGUgdGhlIGxvYWQgd2hpbGUNCj4gc3RpbGwg YmVpbmcgYWJsZSB0byBkbyAicGFydGlhbCBrZXkgc2NhbnMiLiBUaGUgYmxvZyBwb3N0IGxpbmtl ZCBhYm92ZQ0KPiBleHBsYWlucyBvbmUgcG9zc2libGUgc29sdXRpb24gZm9yIHRoYXQsIHdoaWxl IHlvdXIgYW5zd2VyIGRvZXNuJ3QuDQo+IA0KPiBAYmlnZGF0YToNCj4gDQo+IEJhc2ljYWxseSB3 aGVuIGl0IGNvbWVzIHRvIHNvbHZpbmcgdHdvIGlzc3VlczogZGlzdHJpYnV0aW5nIHdyaXRlcyBh bmQNCj4gaGF2aW5nIGFiaWxpdHkgdG8gcmVhZCBkYXRhIHNlcXVlbnRpYWxseSwgeW91IGhhdmUg dG8gYmFsYW5jZSBiZXR3ZWVuIGJlaW5nDQo+IGdvb2QgYXQgYm90aCBvZiB0aGVtLiBWZXJ5IGdv b2QgcHJlc2VudGF0aW9uIGJ5IExhcnM6DQo+IGh0dHA6Ly93d3cuc2xpZGVzaGFyZS5uZXQvbGFy c2dlb3JnZS9oYmFzZS1hZHZhbmNlZC1zY2hlbWEtZGVzaWduLWJlcmxpbi1idXp6d29yZHMtanVu ZS0yMDEyLA0KPiBzbGlkZSAyMi4gWW91IHdpbGwgc2VlIGhvdyB0aGlzIGlzIGNvcnJlbGF0ZWQu IEluIHNob3J0Og0KPiAqIGhhdmluZyBtZDUvb3RoZXIgaGFzaCBwcmVmaXggb2YgdGhlIGtleSBk b2VzIGJldHRlciB3LnIudC4gZGlzdHJpYnV0aW5nDQo+IHdyaXRlcywgd2hpbGUgY29tcHJvbWlz ZXMgYWJpbGl0eSB0byBkbyByYW5nZSBzY2FucyBlZmZpY2llbnRseQ0KPiAqIGhhdmluZyB2ZXJ5 IGxpbWl0ZWQgbnVtYmVyIG9mICdzYWx0JyBwcmVmaXhlcyBzdGlsbCBhbGxvd3MgdG8gZG8gcmFu Z2UNCj4gc2NhbnMgKGxlc3MgZWZmaWNpZW50bHkgdGhhbiBub3JtYWwgcmFuZ2Ugc2NhbnMsIG9m IGNvdXJzZSwgYnV0IHN0aWxsIGdvb2QNCj4gZW5vdWdoIGluIG1hbnkgY2FzZXMpIHdoaWxlIHBy b3ZpZGluZyB3b3JzZSBkaXN0cmlidXRpb24gb2Ygd3JpdGVzDQo+IA0KPiBJbiB0aGUgbGF0dGVy IGNhc2UgYnkgY2hvb3NpbmcgbnVtYmVyIG9mIHBvc3NpYmxlICdzYWx0JyBwcmVmaXhlcyAod2hp Y2gNCj4gY291bGQgYmUgZGVyaXZlZCBmcm9tIGhhc2hlZCB2YWx1ZXMsIGV0Yy4pIHlvdSBjYW4g YmFsYW5jZSBiZXR3ZWVuDQo+IGRpc3RyaWJ1dGluZyB3cml0ZXMgZWZmaWNpZW5jeSBhbmQgYWJp bGl0eSB0byBydW4gZmFzdCByYW5nZSBzY2Fucy4NCj4gDQo+IEhvcGUgdGhpcyBoZWxwcw0KPiAN Cj4gQWxleCBCYXJhbmF1DQo+IC0tLS0tLQ0KPiBTZW1hdGV4dCA6OiBodHRwOi8vYmxvZy5zZW1h dGV4dC5jb20vIDo6IEhhZG9vcCAtIEhCYXNlIC0gRWxhc3RpY1NlYXJjaCAtDQo+IFNvbHINCj4g DQo+IE9uIFR1ZSwgRGVjIDE4LCAyMDEyIGF0IDg6NTIgQU0sIE1pY2hhZWwgU2VnZWwgPG1pY2hh ZWxfc2VnZWxAaG90bWFpbC5jb20+d3JvdGU6DQo+IA0KPiA+DQo+ID4gSGksDQo+ID4NCj4gPiBG aXJzdCwgdGhlIHVzZSBvZiBhICdTYWx0JyBpcyBhIHZlcnksIHZlcnkgYmFkIGlkZWEgYW5kIEkg d291bGQgcmVhbGx5DQo+ID4gaG9wZSB0aGF0IHRoZSBhdXRob3Igb2YgdGhhdCBibG9nIHRha2Ug aXQgZG93bi4NCj4gPiBXaGlsZSBpdCBtYXkgc29sdmUgYW4gaW5pdGlhbCBwcm9ibGVtIGluIHRl cm1zIG9mIHJlZ2lvbiBob3Qgc3BvdHRpbmcsIGl0DQo+ID4gY3JlYXRlcyBhbm90aGVyIHByb2Js ZW0gd2hlbiBpdCBjb21lcyB0byBmZXRjaGluZyBkYXRhLiBGZXRjaGluZyBkYXRhIHRha2VzDQo+ ID4gbW9yZSBlZmZvcnQuDQo+ID4NCj4gPiBXaXRoIHJlc3BlY3QgdG8gdXNpbmcgYSBoYXNoIChN RDUgb3IgU0hBLTEpIHlvdSBhcmUgY3JlYXRpbmcgYSBtb3JlIHJhbmRvbQ0KPiA+IGtleSB0aGF0 IGlzIHVuaXF1ZSB0byB0aGUgcmVjb3JkLiAgU29tZSB3b3VsZCBhcmd1ZSB0aGF0IHVzaW5nIE1E NSBvciBTSEEtMQ0KPiA+IHRoYXQgbWF0aGVtYXRpY2FsbHkgeW91IGNvdWxkIGhhdmUgYSBjb2xs aXNpb24sIGhvd2V2ZXIgeW91IGNvdWxkIHRoZW4NCj4gPiBhcHBlbmQgdGhlIGtleSB0byB0aGUg aGFzaCB0byBndWFyYW50ZWUgdW5pcXVlbmVzcy4gWW91IGNvdWxkIGFsc28gZG8NCj4gPiB0aGlu Z3MgbGlrZSB0YWtlIHRoZSBoYXNoIGFuZCB0aGVuIHRydW5jYXRlIGl0IHRvIHRoZSBmaXJzdCBi eXRlIGFuZCB0aGVuDQo+ID4gYXBwZW5kIHRoZSByZWNvcmQga2V5LiBUaGlzIHNob3VsZCBnaXZl IHlvdSBlbm91Z2ggcmFuZG9tbmVzcyB0byBhdm9pZCBob3QNCj4gPiBzcG90dGluZyBhZnRlciB0 aGUgaW5pdGlhbCByZWdpb24gY29tcGxldGlvbiBhbmQgeW91IGNvdWxkIHByZS1zcGxpdCBvdXQN Cj4gPiBhbnkgbnVtYmVyIG9mIHJlZ2lvbnMuIChGaXJzdCBieXRlIDAtMjU1IGZvciB2YWx1ZXMs IHNvIHlvdSBjYW4gcHJvZ3JhbSB0aGUNCj4gPiBzcGxpdC4uLg0KPiA+DQo+ID4NCj4gPiBIYXZp bmcgc2FpZCB0aGF0Li4uIHllcywgeW91IGxvc2UgdGhlIGFiaWxpdHkgdG8gcGVyZm9ybSBhIHNl cXVlbnRpYWwgc2Nhbg0KPiA+IG9mIHRoZSBkYXRhLiAgQXQgbGVhc3QgdG8gYSBwb2ludC4gIEl0 IGRlcGVuZHMgb24geW91ciBzY2hlbWEuDQo+ID4NCj4gPiBOb3RlIHRoYXQgeW91IG5lZWQgdG8g dGhpbmsgYWJvdXQgaG93IHlvdSBhcmUgcHJpbWFyaWx5IGdvaW5nIHRvIGFjY2Vzcw0KPiA+IHRo ZSBkYXRhLiAgWW91IGNhbiB0aGVuIGRldGVybWluZSB0aGUgYmVzdCB3YXkgdG8gc3RvcmUgdGhl IGRhdGEgdG8gZ2Fpbg0KPiA+IHRoZSBiZXN0IHBlcmZvcm1hbmNlLiBGb3Igc29tZSBhcHBsaWNh dGlvbnMuLi4gdGhlIHJlZ2lvbiBob3Qgc3BvdHRpbmcNCj4gPiBpc24ndCBhbiBpbXBvcnRhbnQg aXNzdWUuDQo+ID4NCj4gPiBOb3RlIFlNTVYNCj4gPg0KPiA+IEhUSA0KPiA+DQo+ID4gLU1pa2UN Cj4gPg0KPiA+IE9uIERlYyAxOCwgMjAxMiwgYXQgMzozMyBBTSwgRGFtaWVuIEhhcmR5IDxkaGFy ZHlAdmlhZGVvdGVhbS5jb20+IHdyb3RlOg0KPiA+DQo+ID4gPiBIZWxsbywNCj4gPiA+DQo+ID4g PiBUaGVyZSBpcyBtaWRkbGUgdGVybSBiZXR3ZW4gc2VxdWVjaWFsIGtleXMgKGhvdCBzcG90aW5n IHJpc2spIGFuZCBtZDUNCj4gPiA+IChoZWF2eSBzY2FuKToNCj4gPiA+ICAqIHlvdSBjYW4gdXNl IGNvbXBvc2VkIGtleXMgd2l0aCBhIGZpZWxkIHRoYXQgY2FuIHNlZ3JlZ2F0ZSBkYXRhDQo+ID4g PiAoaG9zdG5hbWUsIHByb2R1Y3RuYW1lLCBtZXRyaWMgbmFtZSkgbGlrZSBPcGVuVFNEQg0KPiA+ ID4gICogb3IgdXNlIFNhbHQgd2l0aCBhIGxpbWl0ZWQgbnVtYmVyIG9mIHZhbHVlcyAoZXhhbXBs ZQ0KPiA+ID4gc3Vic3RyKG1kNShyb3dpZCksMCwxKSA9IDE2IHZhbHVlcykNCj4gPiA+ICAgIHNv IHRoYXQgYSBzY2FuIGlzIGEgY29tYmluYXRpb24gb2YgMTYgZmlsdGVycyBvbiBvbiBlYWNoIHNh bHQgdmFsdWVzDQo+ID4gPiAgICB5b3UgY2FuIGJhc2UgeW91ciBjb2RlIG9uIEhCYXNlV0QgYnkg c2VtYXRleHQNCj4gPiA+DQo+ID4gPg0KPiA+IGh0dHA6Ly9ibG9nLnNlbWF0ZXh0LmNvbS8yMDEy LzA0LzA5L2hiYXNld2QtYXZvaWQtcmVnaW9uc2VydmVyLWhvdHNwb3R0aW5nLWRlc3BpdGUtd3Jp dGluZy1yZWNvcmRzLXdpdGgtc2VxdWVudGlhbC1rZXlzLw0KPiA+ID4gICAgICAgaHR0cHM6Ly9n aXRodWIuY29tL3NlbWF0ZXh0L0hCYXNlV0QNCj4gPiA+DQo+ID4gPiBDaGVlcnMsDQo+ID4gPg0K PiA+ID4NCj4gPiA+IDIwMTIvMTIvMTggYmlnZGF0YSA8YmlnZGF0YWJhc2VAb3V0bG9vay5jb20+ DQo+ID4gPg0KPiA+ID4+IE1hbnkgYXJ0aWNsZXMgdGVsbCBtZSB0aGF0IE1ENSByb3drZXkgb3Ig cGFydCBvZiBpdCBpcyBnb29kIG1ldGhvZCB0bw0KPiA+ID4+IGJhbGFuY2UgdGhlIHJlY29yZHMg c3RvcmVkIGluIGRpZmZlcmVudCBwYXJ0cy4gQnV0IElmIEkgd2FudCB0byBzZWFyY2gNCj4gPiBz b21lDQo+ID4gPj4gc2VxdWVudGlhbCByb3drZXkgcmVjb3Jkcywgc3VjaCBhcyBkYXRlIGFzIHJv d2tleSBvciBwYXJ0aWFsbHkuIEkgY2FuDQo+ID4gbm90DQo+ID4gPj4gdXNlIHJvd2tleSBmaWx0 ZXIgdG8gc2NhbiBhIHJhbmdlIG9mIGRhdGUgdmFsdWUgb25lIHRpbWUgb24gdGhlIGRhdGUgYnkN Cj4gPiA+PiBNRDUuIEhvdyB0byBiYWxhbmNlIHRoaXMgaXNzdWU/DQo+ID4gPj4gVGhhbmtzLg0K PiA+ID4+DQo+ID4gPj4NCj4gPiA+DQo+ID4gPg0KPiA+ID4NCj4gPiA+DQo+ID4gPiAtLQ0KPiA+ ID4gRGFtaWVuIEhBUkRZDQo+ID4NCj4gPg0KIAkJIAkgICAJCSAg --_79d766f8-6b45-43bb-b82d-132b6a803796_--