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 BD729200D53 for ; Tue, 5 Dec 2017 15:43:37 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id BBF55160C1B; Tue, 5 Dec 2017 14:43:37 +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 DC289160C0A for ; Tue, 5 Dec 2017 15:43:36 +0100 (CET) Received: (qmail 95185 invoked by uid 500); 5 Dec 2017 14:43:36 -0000 Mailing-List: contact dev-help@hawq.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hawq.incubator.apache.org Delivered-To: mailing list dev@hawq.incubator.apache.org Received: (qmail 95167 invoked by uid 99); 5 Dec 2017 14:43:35 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 05 Dec 2017 14:43:35 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id E6AA61A1261; Tue, 5 Dec 2017 14:43:34 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -2.301 X-Spam-Level: X-Spam-Status: No, score=-2.301 tagged_above=-999 required=6.31 tests=[RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id qkI_-zYtpRfu; Tue, 5 Dec 2017 14:43:32 +0000 (UTC) Received: from mail0.iggroup.com (mail0.iggroup.com [195.234.39.199]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 334D35F250; Tue, 5 Dec 2017 14:43:32 +0000 (UTC) Received: from ukvmprdvon601.igi.ig.local (HELO BMPRDEXC142.IGI.IG.LOCAL) ([172.27.11.142]) by lrprdirn001-int.igi.ig.local with ESMTP/TLS/AES256-SHA256; 05 Dec 2017 14:43:31 +0000 Received: from BMPRDEXC144.igi.ig.local (172.24.11.74) by BMPRDEXC142.igi.ig.local (172.24.11.72) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Tue, 5 Dec 2017 14:43:31 +0000 Received: from BMPRDEXC144.igi.ig.local ([fe80::fc24:b939:dfdf:21c0]) by BMPRDEXC144.IGI.IG.LOCAL ([fe80::fc24:b939:dfdf:21c0%14]) with mapi id 15.00.1293.006; Tue, 5 Dec 2017 14:43:31 +0000 From: Michael Pearce To: "dev@hawq.incubator.apache.org" CC: user Subject: Re: Questions for HAWQ dev community: Pluggable storage formats and files systems vs. PXF Thread-Topic: Questions for HAWQ dev community: Pluggable storage formats and files systems vs. PXF Thread-Index: AQHTbTJ/dl0LaVTHQ0uNwUVDRhhQw6Mz86iAgACJOACAAE4/gIAACVEA Date: Tue, 5 Dec 2017 14:43:30 +0000 Message-ID: <94EB1CDE-910E-40C2-B0F6-25D0453108B5@ig.com> References: <5590DB2387FAB413.678770E1-ED29-40CE-902F-61C9EED1FECC@mail.outlook.com> In-Reply-To: <5590DB2387FAB413.678770E1-ED29-40CE-902F-61C9EED1FECC@mail.outlook.com> Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/f.28.0.171108 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.240.112] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected archived-at: Tue, 05 Dec 2017 14:43:37 -0000 SSB0aGluayB0aGF0IGJlZm9yZSB3ZSBkaXNjdXNzIHRoZSBvZmYtc2hvb3Rpbmcgb2YgUFhGLCB0 aGF0IG5lZWRzIHRvIGJlIHRoZSBjYXNlLCBhbmQgYWxzbyBhIHBlcmlvZCBvZiBhZG9wdGlvbiB0 byBtb3ZlIGFzIHNvbWUgY29tcGFuaWVzIG1heSBoYXZlIGN1c3RvbSBQWEYgcGx1Z2lucyB3b3Jr aW5nIHdpdGggSEFXUS4NCg0KT24gMDUvMTIvMjAxNywgMTQ6MTAsICJjaGFuZy5sZWkuY25AZ21h aWwuY29tIiA8Y2hhbmcubGVpLmNuQGdtYWlsLmNvbT4gd3JvdGU6DQoNCiAgICANCiAgICANCiAg ICANCiAgICAJDQogICAgCQkNCiAgICAJCQ0KICAgIAkNCiAgICAJCU1pa2UsICB0aGUgbmV3IGZy YW1ld29yayB3aWxsIGluY2x1ZGUgYWxsIHRoZSBwbHVnaW5zIGZvciBleHRlcm5hbCBkYXRhLiAN CiAgICBUaGFua3NMZWkNCiAgICANCiAgICAJCQ0KICAgIAkJDQogICAgDQogICAgCQlDaGVlcnNM ZWkNCiAgICAJDQogICAgDQogICAgDQogICAgDQogICAgDQogICAgT24gVHVlLCBEZWMgNSwgMjAx NyBhdCA1OjMwIFBNICswODAwLCAiTWljaGFlbCBQZWFyY2UiIDxNaWNoYWVsLlBlYXJjZUBpZy5j b20+IHdyb3RlOg0KICAgIA0KICAgIA0KICAgIA0KICAgIA0KICAgIA0KICAgIA0KICAgIA0KICAg IA0KICAgIA0KICAgIA0KICAgIExlaSwNCiAgICANCiAgICBJIHdvdWxkIGRpc2FncmVlLiBUaGUg SmlyYSAvIGZlYXR1cmUgZG9lc27igJl0IGNhdGVyIGZvciBpbnRlZ3JhdGlvbiB3aXRoIG90aGVy IEhhZG9vcCBjb21wb25lbnRzIG9yIG90aGVyIHNvdXJjZXMgc3VjaCBhcyBIQmFzZSBldGMsIGl0 IHNpbXBseSBzZWVtcyB0byBjb3ZlciBzdG9yYWdlIG9mIGludGVybmFsIGRhdGEuDQogICAgDQog ICAgQXMgc3VjaCBJIHdvdWxkbuKAmXQgbGlrZSB0byBzZWUgYSBjb21wb25lbnQgbWFpbnRhaW5l ZCBpbiBhcGFjaGUgZm9yIEFwYWNoZSBIYXdxLCBtb3ZlZCBvdXQgb2YgQXBhY2hlIG93bmVyc2hp cCBhbmQgZ292ZXJuYW5jZS4NCiAgICANCiAgICBJdCBzaG91bGQgcmVtYWluIHdoaWxzdCBzdGls bCBjb3JlIHRvIEhBV1EgaW4gdGhpcyBBU0YgcHJvamVjdC4NCiAgICANCiAgICBSZWdhcmRzDQog ICAgTWlrZQ0KICAgIA0KICAgIE9uIDA1LzEyLzIwMTcsIDAxOjE5LCAiTGVpIENoYW5nIiAgd3Jv dGU6DQogICAgDQogICAgICAgIEdyZWF0IHRvIHNlZSBHcmVlbnBsdW0gaXMgdXNpbmcgUFhGLiBJ IHRoaW5rIFBYRiBpcyBhIHZlcnkgZ29vZCBmaXQgZm9yDQogICAgICAgIEdyZWVucGx1bSdzIGN1 cnJlbnQgYXJjaGl0ZWN0dXJlLg0KICAgIA0KICAgICAgICBUbyBhdm9pZCBkdXBsaWNhdGUgbWFp bnRlbmFuY2UgY29zdCwgbXkgc3VnZ2VzdGlvbiBpcyB0byBvbmx5IG1haW50YWluIFBYRg0KICAg ICAgICBjb2RlIGluIG9uZSBwbGFjZTogR3JlZW5wbHVtLg0KICAgIA0KICAgICAgICBGcm9tIEhB V1Egc2lkZSwgaXQgY2FuIGJlIGRlcHJlY2F0ZWQgaW4gYSBmdXR1cmUgcmVsZWFzZSBhZnRlciB0 aGUgbmV3DQogICAgICAgIGZyYW1ld29yayBpcyByZWFkeS4NCiAgICANCiAgICAgICAgVGhhbmtz DQogICAgICAgIExlaQ0KICAgIA0KICAgIA0KICAgICAgICBPbiBUdWUsIERlYyA1LCAyMDE3IGF0 IDM6MDIgQU0sIEVkIEVzcGlubyAgd3JvdGU6DQogICAgDQogICAgICAgID4gVG8gdGhlIEhBV1Eg ZGV2IGNvbW11bml0eSwNCiAgICAgICAgPg0KICAgICAgICA+IEkgd2FudGVkIHRvIHJhaXNlIHVw IGFuIGlzc3VlIGZvciBkaXNjdXNzaW9uIHJlZ2FyZGluZyBKSVJBIEhBV1EtNzg2DQogICAgICAg ID4gLiBUaGlzIGlzIGEgcHJvcG9zYWwgZm9yIGENCiAgICAgICAgPiBuZXcgY29tcG9uZW50L2Z1 bmN0aW9uYWxpdHkgKEZyYW1ld29yayB0byBzdXBwb3J0IHBsdWdnYWJsZSBmb3JtYXRzIGFuZA0K ICAgICAgICA+IGZpbGUgc3lzdGVtcykgdGhhdCBhcHBlYXJzIHRvIHJlcGxhY2UgdGhhdCBjdXJy ZW50bHkgcHJvdmlkZWQgYnkgdGhlIFBYRg0KICAgICAgICA+IGNvbXBvbmVudC4NCiAgICAgICAg Pg0KICAgICAgICA+IFBYRiB3YXMgcmVjZW50bHkgcmUtdXNlZCBpbiBhbm90aGVyIG9wZW4gc291 cmNlIHByb2plY3Q6IEdyZWVucGx1bS1EQiAoDQogICAgICAgID4gaHR0cHM6Ly9naXRodWIuY29t L2dyZWVucGx1bS1kYi9ncGRiL3RyZWUvNVhfU1RBQkxFL2dwQXV4L2V4dGVuc2lvbnMvcHhmICkN CiAgICAgICAgPiBhbmQgZGVwZW5kcyBvbiB0aGUgc2VydmVyLXNpZGUgY29tcG9uZW50cyB0aGF0 IGV4aXN0IHRvZGF5IGluIEhBV1HigJlzIHNvdXJjZQ0KICAgICAgICA+IHRyZWUuDQogICAgICAg ID4NCiAgICAgICAgPiBUaGUgcXVlc3Rpb24gSSBoYXZlIGZvciB0aGUgY29tbXVuaXR5IGlzOiB3 aXRoIHRoZSBwb3NzaWJpbGl0eSBvZiBQWEYgYmVpbmcNCiAgICAgICAgPiByZXBsYWNlZCBieSBh IG5ldyBjb21wb25lbnQgaW4gYSBmdXR1cmUgcmVsZWFzZSBvZiBIQVdRLCB3aGF0IHNob3VsZCBi ZWNvbWUNCiAgICAgICAgPiBvZiB0aGUgUFhGIGNvZGU/IE9sZGVyIHJlbGVhc2VzIG9mIEhBV1Eg KDIuMy4wID4pIHdpbGwgY29udGludWUgdG8gdXNlIGl0DQogICAgICAgID4gYnV0IHRoZXJlIGlz IGFuIG91dHNpZGUgcHJvamVjdCBub3cgZGVwZW5kaW5nIG9uIGl0Lg0KICAgICAgICA+DQogICAg ICAgID4gRG9lcyB0aGUgSEFXUSBjb21tdW5pdHkgd2FudCB0byBtYWludGFpbiB0aGUgUFhGIGNv ZGUgaW4gdGhlIEhBV1EgcHJvamVjdA0KICAgICAgICA+IG9yIGlmIG5vdCBoZXJlLCB3aGVyZT8g SWYgdGhlIEdQREIgY29tbXVuaXR5IGZvcmtlZCBQWEYgZnJvbSBIQVdRIHdvdWxkDQogICAgICAg ID4gdGhhdCBiZSBvaz8NCiAgICAgICAgPg0KICAgICAgICA+IFJlZ2FyZHMsDQogICAgICAgID4N CiAgICAgICAgPiBFZCBFc3Bpbm8NCiAgICAgICAgPg0KICAgIA0KICAgIA0KICAgIFRoZSBpbmZv cm1hdGlvbiBjb250YWluZWQgaW4gdGhpcyBlbWFpbCBpcyBzdHJpY3RseSBjb25maWRlbnRpYWwg YW5kIGZvciB0aGUgdXNlIG9mIHRoZSBhZGRyZXNzZWUgb25seSwgdW5sZXNzIG90aGVyd2lzZSBp bmRpY2F0ZWQuIElmIHlvdSBhcmUgbm90IHRoZSBpbnRlbmRlZCByZWNpcGllbnQsIHBsZWFzZSBk byBub3QgcmVhZCwgY29weSwgdXNlIG9yIGRpc2Nsb3NlIHRvIG90aGVycyB0aGlzIG1lc3NhZ2Ug b3IgYW55IGF0dGFjaG1lbnQuIFBsZWFzZSBhbHNvIG5vdGlmeSB0aGUgc2VuZGVyIGJ5IHJlcGx5 aW5nIHRvIHRoaXMgZW1haWwgb3IgYnkgdGVsZXBob25lICgrNDQoMDIwIDc4OTYgMDAxMSkgYW5k IHRoZW4gZGVsZXRlIHRoZSBlbWFpbCBhbmQgYW55IGNvcGllcyBvZiBpdC4gT3BpbmlvbnMsIGNv bmNsdXNpb24gKGV0YykgdGhhdCBkbyBub3QgcmVsYXRlIHRvIHRoZSBvZmZpY2lhbCBidXNpbmVz cyBvZiB0aGlzIGNvbXBhbnkgc2hhbGwgYmUgdW5kZXJzdG9vZCBhcyBuZWl0aGVyIGdpdmVuIG5v ciBlbmRvcnNlZCBieSBpdC4gSUcgaXMgYSB0cmFkaW5nIG5hbWUgb2YgSUcgTWFya2V0cyBMaW1p dGVkIChhIGNvbXBhbnkgcmVnaXN0ZXJlZCBpbiBFbmdsYW5kIGFuZCBXYWxlcywgY29tcGFueSBu dW1iZXIgMDQwMDg5NTcpIGFuZCBJRyBJbmRleCBMaW1pdGVkIChhIGNvbXBhbnkgcmVnaXN0ZXJl ZCBpbiBFbmdsYW5kIGFuZCBXYWxlcywgY29tcGFueSBudW1iZXIgMDExOTA5MDIpLiBSZWdpc3Rl cmVkIGFkZHJlc3MgYXQgQ2Fubm9uIEJyaWRnZSBIb3VzZSwgMjUgRG93Z2F0ZSBIaWxsLCBMb25k b24gRUM0UiAyWUEuIEJvdGggSUcgTWFya2V0cyBMaW1pdGVkIChyZWdpc3RlciBudW1iZXIgMTk1 MzU1KSBhbmQgSUcgSW5kZXggTGltaXRlZCAocmVnaXN0ZXIgbnVtYmVyIDExNDA1OSkgYXJlIGF1 dGhvcmlzZWQgYW5kIHJlZ3VsYXRlZCBieSB0aGUgRmluYW5jaWFsIENvbmR1Y3QgQXV0aG9yaXR5 Lg0KICAgIA0KICAgIA0KICAgIA0KICAgIA0KICAgIA0KICAgIA0KDQo=