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 904BE200D0B for ; Wed, 27 Sep 2017 18:48:04 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 8EE801609CA; Wed, 27 Sep 2017 16:48:04 +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 D35AD1609C1 for ; Wed, 27 Sep 2017 18:48:03 +0200 (CEST) Received: (qmail 15851 invoked by uid 500); 27 Sep 2017 16:48:03 -0000 Mailing-List: contact yarn-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list yarn-issues@hadoop.apache.org Received: (qmail 15840 invoked by uid 99); 27 Sep 2017 16:48:02 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 27 Sep 2017 16:48:02 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 8FA2D1A06B2 for ; Wed, 27 Sep 2017 16:48:02 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, 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 (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id sZ4897v4aPAS for ; Wed, 27 Sep 2017 16:48:02 +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 D24415F3F5 for ; Wed, 27 Sep 2017 16:48:01 +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 1916DE0E2B for ; Wed, 27 Sep 2017 16:48:01 +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 400C224296 for ; Wed, 27 Sep 2017 16:48:00 +0000 (UTC) Date: Wed, 27 Sep 2017 16:48:00 +0000 (UTC) From: "Robert Kanter (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Comment Edited] (YARN-7207) Cache the local host name when getting application list in RM MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 27 Sep 2017 16:48:04 -0000 [ https://issues.apache.org/jira/browse/YARN-7207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16182871#comment-16182871 ] Robert Kanter edited comment on YARN-7207 at 9/27/17 4:47 PM: -------------------------------------------------------------- +1 LGTM Please file a new JIRA for #2 then. was (Author: rkanter): +1 LGTM > Cache the local host name when getting application list in RM > ------------------------------------------------------------- > > Key: YARN-7207 > URL: https://issues.apache.org/jira/browse/YARN-7207 > Project: Hadoop YARN > Issue Type: Improvement > Components: RM > Affects Versions: 3.1.0 > Reporter: Yufei Gu > Assignee: Yufei Gu > Attachments: YARN-7207.001.patch, YARN-7207.002.patch > > > {{getLocalHostName()}} is invoked for generating the report for each application, which means it is called 1000 times for each {{getApplications()}} if there are 1000 apps in RM. Some user got a performance issue when {{getLocalHostName()}} is slow under some network envs. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: yarn-issues-help@hadoop.apache.org