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 0C3F4200B50 for ; Fri, 15 Jul 2016 03:34:58 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 0ACBD160A85; Fri, 15 Jul 2016 01:34:58 +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 4A2F2160A63 for ; Fri, 15 Jul 2016 03:34:57 +0200 (CEST) Received: (qmail 98781 invoked by uid 500); 15 Jul 2016 01:34:56 -0000 Mailing-List: contact dev-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list dev@hive.apache.org Received: (qmail 98767 invoked by uid 99); 15 Jul 2016 01:34:56 -0000 Received: from mail-relay.apache.org (HELO mail-relay.apache.org) (140.211.11.15) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 15 Jul 2016 01:34:56 +0000 Received: from [10.200.0.55] (184-23-216-210.dedicated.static.sonic.net [184.23.216.210]) by mail-relay.apache.org (ASF Mail Server at mail-relay.apache.org) with ESMTPSA id 47A421A00E0; Fri, 15 Jul 2016 01:34:55 +0000 (UTC) User-Agent: Microsoft-MacOutlook/14.5.9.151119 Date: Thu, 14 Jul 2016 18:34:27 -0700 Subject: Re: One Mapper runs in ACID tables From: Gopal Vijayaraghavan Sender: Gopal Vijayaraghavan To: "dev@hive.apache.org" CC: Ashish Singh Message-ID: Thread-Topic: One Mapper runs in ACID tables References: In-Reply-To: Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit archived-at: Fri, 15 Jul 2016 01:34:58 -0000 >Want to confirm why we have implemented it in this way and if any >correction in understanding is required please update This is not implemented intentionally - the issue is that delta files show up as 0 sized splits. You should be getting exactly as many splits as you have buckets x partitions in Hive-2.0. This fix can't be backported to hive-1.2.1 without a corresponding Tez upgrade to 0.7.x. Cheers, Gopal