Return-Path: X-Original-To: apmail-hadoop-yarn-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-yarn-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 8D089101C9 for ; Wed, 28 Aug 2013 23:59:53 +0000 (UTC) Received: (qmail 55761 invoked by uid 500); 28 Aug 2013 23:59:53 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 55737 invoked by uid 500); 28 Aug 2013 23:59:53 -0000 Mailing-List: contact yarn-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: yarn-issues@hadoop.apache.org Delivered-To: mailing list yarn-issues@hadoop.apache.org Received: (qmail 55728 invoked by uid 99); 28 Aug 2013 23:59:53 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 28 Aug 2013 23:59:53 +0000 Date: Wed, 28 Aug 2013 23:59:53 +0000 (UTC) From: "Karthik Kambatla (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (YARN-1098) Separate out stateless services from stateful services in the RM 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/YARN-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Karthik Kambatla updated YARN-1098: ----------------------------------- Description: >From discussion on YARN-1027, it makes sense to separate out services that are stateful and stateless. The stateless services can run perennially irrespective of whether the RM is in Active/Standby state, while the stateful services need to be started on transitionToActive() and completely shutdown on transitionToStandby(). The external-facing stateless services should respond to the client/AM/NM requests depending on whether the RM is Active/Standby. was: >From discussion on YARN-1027, it makes sense to separate out services that are stateful and stateless. The stateless services can be HA-agnostic and be run perennially irrespective of whether the RM is in Active/Standby state, while the stateful services need to be aware of HA and be started on transitionToActive() and completely shutdown on transitionToStandby(). > Separate out stateless services from stateful services in the RM > ---------------------------------------------------------------- > > Key: YARN-1098 > URL: https://issues.apache.org/jira/browse/YARN-1098 > Project: Hadoop YARN > Issue Type: Sub-task > Components: resourcemanager > Affects Versions: 2.1.0-beta > Reporter: Karthik Kambatla > Assignee: Karthik Kambatla > Labels: ha > Attachments: yarn-1098-approach.patch, yarn-1098-approach.patch > > > From discussion on YARN-1027, it makes sense to separate out services that are stateful and stateless. The stateless services can run perennially irrespective of whether the RM is in Active/Standby state, while the stateful services need to be started on transitionToActive() and completely shutdown on transitionToStandby(). > The external-facing stateless services should respond to the client/AM/NM requests depending on whether the RM is Active/Standby. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira