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 1D036200C47 for ; Thu, 30 Mar 2017 19:24:54 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 1B825160BA2; Thu, 30 Mar 2017 17:24:54 +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 6149F160B9A for ; Thu, 30 Mar 2017 19:24:53 +0200 (CEST) Received: (qmail 21373 invoked by uid 500); 30 Mar 2017 17:24:43 -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 21229 invoked by uid 99); 30 Mar 2017 17:24:43 -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; Thu, 30 Mar 2017 17:24:43 +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 39574188A0D for ; Thu, 30 Mar 2017 17:24:43 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.002 X-Spam-Level: X-Spam-Status: No, score=-100.002 tagged_above=-999 required=6.31 tests=[RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id n82kqytGXnxS for ; Thu, 30 Mar 2017 17:24:42 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 645675FBE4 for ; Thu, 30 Mar 2017 17:24:42 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id EF199E0AFC for ; Thu, 30 Mar 2017 17:24:41 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id ADF7221DDA for ; Thu, 30 Mar 2017 17:24:41 +0000 (UTC) Date: Thu, 30 Mar 2017 17:24:41 +0000 (UTC) From: "Chao Sun (JIRA)" To: dev@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HIVE-16337) HoS: use separate config for mapjoin hash table size limit rather than hive.auto.convert.join.noconditionaltask.size MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 30 Mar 2017 17:24:54 -0000 Chao Sun created HIVE-16337: ------------------------------- Summary: HoS: use separate config for mapjoin hash table size limit rather than hive.auto.convert.join.noconditionaltask.size Key: HIVE-16337 URL: https://issues.apache.org/jira/browse/HIVE-16337 Project: Hive Issue Type: Improvement Components: Spark Reporter: Chao Sun HoS currently share the same config {{hive.auto.convert.join.noconditionaltask.size}} with MR, however it interprets it differently: in MR this is the file size of the input, while in Spark it is the data size. This could cause Spark to be over conservative in many mapjoin optimizations. I suggest we use a separate config for HoS for this purpose. -- This message was sent by Atlassian JIRA (v6.3.15#6346)