Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 8A120200B71 for ; Wed, 31 Aug 2016 14:16:51 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 88164160AB4; Wed, 31 Aug 2016 12:16:51 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id AA12F160A8C for ; Wed, 31 Aug 2016 14:16:50 +0200 (CEST) Received: (qmail 11153 invoked by uid 500); 31 Aug 2016 12:16:49 -0000 Mailing-List: contact hdfs-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-dev@hadoop.apache.org Received: (qmail 11142 invoked by uid 99); 31 Aug 2016 12:16:49 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 31 Aug 2016 12:16:49 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id E0ACD189C57 for ; Wed, 31 Aug 2016 12:16:48 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 0.798 X-Spam-Level: X-Spam-Status: No, score=0.798 tagged_above=-999 required=6.31 tests=[FSL_HELO_BARE_IP_2=1.499, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=disabled Received: from mx2-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id yXTO1_no71jM for ; Wed, 31 Aug 2016 12:16:45 +0000 (UTC) Received: from relayvx12b.securemail.intermedia.net (relayvx12b.securemail.intermedia.net [64.78.52.186]) by mx2-lw-eu.apache.org (ASF Mail Server at mx2-lw-eu.apache.org) with ESMTPS id 59CE75F3F3 for ; Wed, 31 Aug 2016 12:16:44 +0000 (UTC) Received: from securemail.intermedia.net (localhost [127.0.0.1]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by emg-ca-1-2.localdomain (Postfix) with ESMTPS id 67E3B53ED3; Wed, 31 Aug 2016 05:16:37 -0700 (PDT) Subject: Re: Why do sequential block IDs begin from 2^30? MIME-Version: 1.0 x-echoworx-msg-id: 9952a01c-ec21-4195-bce4-ebda895205da x-echoworx-emg-received: Wed, 31 Aug 2016 05:16:37.337 -0700 x-echoworx-message-code-hashed: 951e7592359b72c58555554dbfb2c5d8bd6cef86cacc183206c0dfa6cdb16b8e x-echoworx-action: delivered Received: from 10.254.155.16 ([10.254.155.16]) by emg-ca-1-2 (JAMES SMTP Server 2.3.2) with SMTP ID 25; Wed, 31 Aug 2016 05:16:37 -0700 (PDT) Received: from MBX080-W4-CO-2.exch080.serverpod.net (unknown [10.224.117.102]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by emg-ca-1-2.localdomain (Postfix) with ESMTPS id 1E9FD53ED3; Wed, 31 Aug 2016 05:16:37 -0700 (PDT) Received: from MBX080-W4-CO-1.exch080.serverpod.net (10.224.117.101) by MBX080-W4-CO-2.exch080.serverpod.net (10.224.117.102) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Wed, 31 Aug 2016 05:16:36 -0700 Received: from MBX080-W4-CO-1.exch080.serverpod.net ([10.224.117.101]) by mbx080-w4-co-1.exch080.serverpod.net ([10.224.117.101]) with mapi id 15.00.1178.000; Wed, 31 Aug 2016 05:16:36 -0700 From: Arpit Agarwal To: Ewan Higgs , "hdfs-dev@hadoop.apache.org" Thread-Topic: Why do sequential block IDs begin from 2^30? Thread-Index: AQHR/rR8kwgqUAjug0m7Fqi62rRRmaBjBZ+A Date: Wed, 31 Aug 2016 12:16:35 +0000 Message-ID: <5DE0D86F-AB7E-4297-8BFE-B4006CC8CE34@hortonworks.com> References: <430A724B-B16A-42BB-A0B6-3413A81B6B60@hgst.com> In-Reply-To: <430A724B-B16A-42BB-A0B6-3413A81B6B60@hgst.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.19.0.160817 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [24.17.211.184] x-source-routing-agent: Processed Content-Type: text/plain; charset="utf-8" Content-ID: <1D4BA300F68F9C42A1E68B9415351ED9@exch080.serverpod.net> Content-Transfer-Encoding: base64 archived-at: Wed, 31 Aug 2016 12:16:51 -0000 SGkgRXdhbiwNCg0KSXTigJlzIG5vdCB0aGUgbG93IDMwIGJpdHMgdGhhdCBhcmUgcmVzZXJ2ZWQu IEp1c3QgdGhlIGZpcnN0IDJeMzAgYmxvY2sgSURzLiBCbG9jayBJRHMgYXJlIGxvbmdzIHNvIHdl IGFyZSB1bmxpa2VseSB0byBldmVyIHJ1biBvdXQuDQoNClRoZSBjaG9pY2Ugd2FzIGFyYml0cmFy eSBhbmQgbm90IGJhc2VkIG9uIGxpa2VsaWhvb2Qgb2YgY29sbGlzaW9uIHdpdGggZWFybGllciBi bG9jayBJRHMuIA0KDQoNCk9uIDgvMjUvMTYsIDI6MzggQU0sICJFd2FuIEhpZ2dzIiA8RXdhbi5I aWdnc0BoZ3N0LmNvbT4gd3JvdGU6DQoNCiAgICBIaSBhbGwsDQogICAgSSBzZWUgaW4gby5hLmgu aGRmcy5zZXJ2ZXIuYmxvY2ttYW5hZ2VtZW50LlNlcXVlbnRpYWxCbG9ja0lkR2VuZXJhdG9yIHRo YXQgdGhlIGxvdyAzMCBiaXRzIG9mIHRoZSBCbG9jayBJRCBhcmUgcmVzZXJ2ZWQuIFRoaXMgd2Fz IHNldCBvdXQgaW4gSERGUy00NjQ1IFsxLDJdOg0KICAgIA0KICAgIOKAnOKAneKAnQ0KICAgIFdl IGRvIG5vdCBjaGFuZ2UgdGhlIGJsb2NrIElEIG9mIGFueSBleGlzdGluZyBibG9ja3Mgb24gdXBn cmFkZS4gU3VjaCBleGlzdGluZyBibG9ja3Mgd2hvc2UgSURzIHdlcmUgcmFuZG9tbHkgZ2VuZXJh dGVkIGFyZSBzdWJzZXF1ZW50bHkgcmVmZXJyZWQgdG8gYXMgbGVnYWN5IGJsb2Nrcy4NCiAgICAN CiAgICBIZW5jZWZvcnRoIGJsb2NrIElEcyB3aWxsIGJlIGFsbG9jYXRlZCBzZXF1ZW50aWFsbHkg c3RhcnRpbmcgZnJvbSBhIGZpeGVkIGNvbnN0YW50IGUuZy4gMl4zMC4NCiAgICDigJzigJ3igJ0N CiAgICANCiAgICBUaGlzIGRvZXNu4oCZdCByZWFsbHkgZm9sbG93IHNpbmNlIGEgdW5pZm9ybSBk aXN0cmlidXRpb24gd291bGRu4oCZdCBoYXZlIG1hZGUgYmxvY2sgSURzIGFsbCB0aGF0IGxpa2Vs eSB0byBoYXZlIHBvcHVsYXRlZCB0aG9zZSBsb3cgMzAgYml0cy4gTXkgb25seSBndWVzcyBpcyB0 aGF0IHRoZSBwc2V1ZG9yYW5kb20gbnVtYmVyIGdlbmVyYXRvciBpbiB0aGUgbGVnYWN5IGJsb2Nr IElEIGdlbmVyYXRpb24gd2FzIG5vdCB1bmlmb3JtIGFjcm9zcyB0aGUgNjQgYml0IGJsb2NrIElE IHNwYWNlLg0KICAgIA0KICAgIEluIHRoZSBKaXJhLCBTdXJlc2ggc3VnZ2VzdGVkIG9ubHkgMTYg Yml0czoNCiAgICANCiAgICDigJzigJ3igJ0NCiAgICBJIHRoaW5rIHdlIGNvdWxkIHJlc2VydmUg ZmV3IGJsb2NrIElEcyBzYXkgMC02NTUzNSBhbmQgc3RhcnQgZ2VuZXJhdGluZyBmcm9tIDY1NTM1 LiBXaGVuIGl0IHJlYWNoZXMgc29tZSBtYXgsIHdlIGNvdWxkIHJvbGxvdmVyIHRvIG5lZ2F0aXZl IG51bWJlcnMuIFRoYXQgaXMgYSBkZWNpc2lvbiB0aGF0IGNhbiBiZSBtYWRlIGluIHRoZSBmdXR1 cmUuDQogICAg4oCc4oCd4oCdDQogICAgDQogICAgU28gSeKAmW0gY3VyaW91cyB3aHkgdGhlIGlu aXRpYWwgcmFuZ2Ugd2FzIHNraXBwZWQgaWYgdGhlIHBzZXVkb3JhbmRvbSBudW1iZXIgYmxvY2sg SUQgZ2VuZXJhdG9yIHdvdWxkbuKAmXQgcmVhbGx5IGhhdmUgZmF2b3VyZWQgdGhlIGxvdyByYW5n ZSBvZiBibG9jayBJRHMuIEFuZCB3aHkgd2FzIHRoZSBpbml0aWFsIHJhbmdlIG9mIDE2IGJpdHMg Y2hhbmdlZCB0byBza2lwIHRoZSBpbml0aWFsIDMwIGJpdHM/DQogICAgDQogICAgVGhhbmtzIGZv ciB0aGUgaGVscCBpbiB1bmRlcnN0YW5kaW5nIHRoaXMhDQogICAgDQogICAgWW91cnMsDQogICAg RXdhbg0KICAgIA0KICAgIFsxXSBodHRwczovL2lzc3Vlcy5hcGFjaGUub3JnL2ppcmEvYnJvd3Nl L0hERlMtNDY0NQ0KICAgIFsyXSAgaHR0cHM6Ly9pc3N1ZXMuYXBhY2hlLm9yZy9qaXJhL3NlY3Vy ZS9hdHRhY2htZW50LzEyNTg5MTcyL1NlcXVlbnRpYWxibG9ja0lEYWxsb2NhdGlvbi5wZGYNCiAg ICANCiAgICBXZXN0ZXJuIERpZ2l0YWwgQ29ycG9yYXRpb24gKGFuZCBpdHMgc3Vic2lkaWFyaWVz KSBFLW1haWwgQ29uZmlkZW50aWFsaXR5IE5vdGljZSAmIERpc2NsYWltZXI6DQogICAgDQogICAg VGhpcyBlLW1haWwgYW5kIGFueSBmaWxlcyB0cmFuc21pdHRlZCB3aXRoIGl0IG1heSBjb250YWlu IGNvbmZpZGVudGlhbCBvciBsZWdhbGx5IHByaXZpbGVnZWQgaW5mb3JtYXRpb24gb2YgV0RDIGFu ZC9vciBpdHMgYWZmaWxpYXRlcywgYW5kIGFyZSBpbnRlbmRlZCBzb2xlbHkgZm9yIHRoZSB1c2Ug b2YgdGhlIGluZGl2aWR1YWwgb3IgZW50aXR5IHRvIHdoaWNoIHRoZXkgYXJlIGFkZHJlc3NlZC4g SWYgeW91IGFyZSBub3QgdGhlIGludGVuZGVkIHJlY2lwaWVudCwgYW55IGRpc2Nsb3N1cmUsIGNv cHlpbmcsIGRpc3RyaWJ1dGlvbiBvciBhbnkgYWN0aW9uIHRha2VuIG9yIG9taXR0ZWQgdG8gYmUg dGFrZW4gaW4gcmVsaWFuY2Ugb24gaXQsIGlzIHByb2hpYml0ZWQuIElmIHlvdSBoYXZlIHJlY2Vp dmVkIHRoaXMgZS1tYWlsIGluIGVycm9yLCBwbGVhc2Ugbm90aWZ5IHRoZSBzZW5kZXIgaW1tZWRp YXRlbHkgYW5kIGRlbGV0ZSB0aGUgZS1tYWlsIGluIGl0cyBlbnRpcmV0eSBmcm9tIHlvdXIgc3lz dGVtLg0KICAgIA0KDQoNCg== DQotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0NClRvIHVuc3Vic2NyaWJlLCBlLW1haWw6IGhkZnMtZGV2LXVu c3Vic2NyaWJlQGhhZG9vcC5hcGFjaGUub3JnDQpGb3IgYWRkaXRpb25hbCBjb21tYW5kcywg ZS1tYWlsOiBoZGZzLWRldi1oZWxwQGhhZG9vcC5hcGFjaGUub3JnDQoN