Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-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 D354618B36 for ; Tue, 13 Oct 2015 08:34:05 +0000 (UTC) Received: (qmail 81792 invoked by uid 500); 13 Oct 2015 08:34:05 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 81750 invoked by uid 500); 13 Oct 2015 08:34:05 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 81736 invoked by uid 99); 13 Oct 2015 08:34:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 13 Oct 2015 08:34:05 +0000 Date: Tue, 13 Oct 2015 08:34:05 +0000 (UTC) From: "Nicolas Liochon (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-12450) UserGroupInformation should not log at WARN level if no groups are found 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/HADOOP-12450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14954620#comment-14954620 ] Nicolas Liochon commented on HADOOP-12450: ------------------------------------------ +1 (non binding)... > UserGroupInformation should not log at WARN level if no groups are found > ------------------------------------------------------------------------ > > Key: HADOOP-12450 > URL: https://issues.apache.org/jira/browse/HADOOP-12450 > Project: Hadoop Common > Issue Type: Improvement > Components: security > Reporter: Elliott Clark > Assignee: Elliott Clark > Priority: Minor > Attachments: HADOOP-12450-v1.patch, HADOOP-12450-v2.patch > > > HBase tries to get the groups of a user on every request. That user may or may not exist on the box running Hadoop/HBase. > If that user doesn't exist currently Hadoop will log at the WARN level everytime. This leads to gigs of log spam and serious GC issues. -- This message was sent by Atlassian JIRA (v6.3.4#6332)