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 C585011889 for ; Sat, 5 Jul 2014 22:10:34 +0000 (UTC) Received: (qmail 58511 invoked by uid 500); 5 Jul 2014 22:10:34 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 58437 invoked by uid 500); 5 Jul 2014 22:10:34 -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 58422 invoked by uid 500); 5 Jul 2014 22:10:34 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 58419 invoked by uid 99); 5 Jul 2014 22:10:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 05 Jul 2014 22:10:34 +0000 Date: Sat, 5 Jul 2014 22:10:34 +0000 (UTC) From: "Lefty Leverenz (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-3990) Provide input threshold for direct-fetcher (HIVE-2925) 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-3990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14052979#comment-14052979 ] Lefty Leverenz commented on HIVE-3990: -------------------------------------- *hive.fetch.task.conversion.threshold* and *hive.fetch.task.aggr* are documented in the wiki (also *hive.fetch.task.conversion*): * [Configuration Properties -- hive.fetch.task.conversion.threshold | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.fetch.task.conversion.threshold] * [Configuration Properties -- hive.fetch.task.aggr | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.fetch.task.aggr] * [Configuration Properties -- hive.fetch.task.conversion | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.fetch.task.conversion] Please review, especially the description of *hive.fetch.task.conversion.threshold* because I added an explanation of the negative default value. By the way: # What are the input threshold units for *hive.fetch.task.conversion.threshold* -- bytes? # What does RS mean in the description of *hive.fetch.task.conversion* ("should not have any aggregations or distincts (which incurs RS)")? My best guess is ReduceSinkOperator, from [~navis]'s comment August 13, 2013 on HIVE-5056. > Provide input threshold for direct-fetcher (HIVE-2925) > ------------------------------------------------------ > > Key: HIVE-3990 > URL: https://issues.apache.org/jira/browse/HIVE-3990 > Project: Hive > Issue Type: Improvement > Components: Query Processor > Reporter: Navis > Assignee: Navis > Priority: Trivial > Labels: TODOC13 > Fix For: 0.13.0 > > Attachments: D8415.2.patch, D8415.3.patch, HIVE-3990.D8415.1.patch > > > As a followup of HIVE-2925, add input threshold for fetch task conversion. -- This message was sent by Atlassian JIRA (v6.2#6252)