From yarn-issues-return-43429-apmail-hadoop-yarn-issues-archive=hadoop.apache.org@hadoop.apache.org Tue Dec 16 20:14:15 2014 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 A75E2108FB for ; Tue, 16 Dec 2014 20:14:15 +0000 (UTC) Received: (qmail 42174 invoked by uid 500); 16 Dec 2014 20:14:15 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 42133 invoked by uid 500); 16 Dec 2014 20:14:15 -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 42056 invoked by uid 99); 16 Dec 2014 20:14:15 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Dec 2014 20:14:15 +0000 Date: Tue, 16 Dec 2014 20:14:15 +0000 (UTC) From: "Jason Lowe (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (YARN-2972) DelegationTokenRenewer thread pool never expands 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-2972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jason Lowe updated YARN-2972: ----------------------------- Affects Version/s: (was: 2.5.0) 2.3.0 > DelegationTokenRenewer thread pool never expands > ------------------------------------------------ > > Key: YARN-2972 > URL: https://issues.apache.org/jira/browse/YARN-2972 > Project: Hadoop YARN > Issue Type: Bug > Components: resourcemanager > Affects Versions: 2.3.0 > Reporter: Jason Lowe > Assignee: Jason Lowe > > DelegationTokenRenewer uses a thread pool to manage token renewals. The number of threads is configurable, but unfortunately the pool never expands beyond the hardcoded initial 5 threads because we are using an unbounded LinkedBlockingQueue. ThreadPoolExecutor only grows the thread pool beyond the core size when the specified queue is full. -- This message was sent by Atlassian JIRA (v6.3.4#6332)