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 0CA4B200B64 for ; Tue, 19 Jul 2016 00:31:22 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 0B622160A87; Mon, 18 Jul 2016 22:31:22 +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 777AA160A5D for ; Tue, 19 Jul 2016 00:31:21 +0200 (CEST) Received: (qmail 56497 invoked by uid 500); 18 Jul 2016 22:31:20 -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 56474 invoked by uid 99); 18 Jul 2016 22:31:20 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 18 Jul 2016 22:31:20 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 90DB02C0034 for ; Mon, 18 Jul 2016 22:31:20 +0000 (UTC) Date: Mon, 18 Jul 2016 22:31:20 +0000 (UTC) From: "Prasanth Jayachandran (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-13027) Configuration changes to improve logging performance MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Mon, 18 Jul 2016 22:31:22 -0000 [ https://issues.apache.org/jira/browse/HIVE-13027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15383196#comment-15383196 ] Prasanth Jayachandran commented on HIVE-13027: ---------------------------------------------- Yes. I updated the Hive Logging section with some description about asynchronous logging. Thanks [~leftylev] for catching this! > Configuration changes to improve logging performance > ---------------------------------------------------- > > Key: HIVE-13027 > URL: https://issues.apache.org/jira/browse/HIVE-13027 > Project: Hive > Issue Type: Improvement > Components: Logging > Affects Versions: 2.1.0 > Reporter: Prasanth Jayachandran > Assignee: Prasanth Jayachandran > Fix For: 2.1.0 > > Attachments: HIVE-13027.1.patch, HIVE-13027.2.patch, HIVE-13027.3.patch, HIVE-13027.3.patch, HIVE-13027.4.patch > > > For LLAP and HS2, some configuration changes can be made to improve logging performance > 1) LOG4j2's async logger claims to have 6-68 times better performance than synchronous logger. https://logging.apache.org/log4j/2.x/manual/async.html > 2) Replace File appenders with RandomAccessFileAppender that claims to be 20-200% more performant. > https://logging.apache.org/log4j/2.x/manual/appenders.html#RandomAccessFileAppender > Also make async logging configurable. -- This message was sent by Atlassian JIRA (v6.3.4#6332)