Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 75E43104BF for ; Sun, 4 Jan 2015 16:41:34 +0000 (UTC) Received: (qmail 86879 invoked by uid 500); 4 Jan 2015 16:41:35 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 86801 invoked by uid 500); 4 Jan 2015 16:41:35 -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 86790 invoked by uid 500); 4 Jan 2015 16:41:35 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 86787 invoked by uid 99); 4 Jan 2015 16:41:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 04 Jan 2015 16:41:34 +0000 Date: Sun, 4 Jan 2015 16:41:34 +0000 (UTC) From: "Xuefu Zhang (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-9251) SetSparkReducerParallelism is likely to set too small number of reducers [Spark Branch] MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-9251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14263897#comment-14263897 ] Xuefu Zhang commented on HIVE-9251: ----------------------------------- Could you please create SPARK JIRA(s) to request missing features? Thanks. > SetSparkReducerParallelism is likely to set too small number of reducers [Spark Branch] > --------------------------------------------------------------------------------------- > > Key: HIVE-9251 > URL: https://issues.apache.org/jira/browse/HIVE-9251 > Project: Hive > Issue Type: Sub-task > Components: Spark > Reporter: Rui Li > Assignee: Rui Li > Attachments: HIVE-9251.1-spark.patch > > > This may hurt performance or even lead to task failures. For example, spark's netty-based shuffle limits the max frame size to be 2G. -- This message was sent by Atlassian JIRA (v6.3.4#6332)