Return-Path: X-Original-To: apmail-hive-issues-archive@minotaur.apache.org Delivered-To: apmail-hive-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 29ED018800 for ; Tue, 29 Sep 2015 07:00:13 +0000 (UTC) Received: (qmail 42567 invoked by uid 500); 29 Sep 2015 07:00:13 -0000 Delivered-To: apmail-hive-issues-archive@hive.apache.org Received: (qmail 42542 invoked by uid 500); 29 Sep 2015 07:00:13 -0000 Mailing-List: contact issues-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 issues@hive.apache.org Received: (qmail 42532 invoked by uid 99); 29 Sep 2015 07:00:13 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 29 Sep 2015 07:00:13 +0000 Date: Tue, 29 Sep 2015 07:00:12 +0000 (UTC) From: "Bing Li (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-10982) Customizable the value of java.sql.statement.setFetchSize in Hive JDBC Driver 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-10982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14934744#comment-14934744 ] Bing Li commented on HIVE-10982: -------------------------------- Hi, [~vgumashta] Thank you for your comment. Do you mean to invoke a new property to hive-site.xml, which will control the max size responded by HS2 at the same time? Do you know the current control mechanism on HS2? > Customizable the value of java.sql.statement.setFetchSize in Hive JDBC Driver > ------------------------------------------------------------------------------ > > Key: HIVE-10982 > URL: https://issues.apache.org/jira/browse/HIVE-10982 > Project: Hive > Issue Type: Improvement > Components: JDBC > Affects Versions: 1.2.0, 1.2.1 > Reporter: Bing Li > Assignee: Bing Li > Priority: Critical > Attachments: HIVE-10982.1.patch > > > The current JDBC driver for Hive hard-code the value of setFetchSize to 50, which will be a bottleneck for performance. > Pentaho filed this issue as http://jira.pentaho.com/browse/PDI-11511, whose status is open. > Also it has discussion in http://forums.pentaho.com/showthread.php?158381-Hive-JDBC-Query-too-slow-too-many-fetches-after-query-execution-Kettle-Xform > http://mail-archives.apache.org/mod_mbox/hive-user/201307.mbox/%3CCACQ46vEVGrfqG5rWXNr1PSgYz7dcF07mvLo8MM2qiT3ANM1XvQ@mail.gmail.com%3E -- This message was sent by Atlassian JIRA (v6.3.4#6332)