Return-Path: X-Original-To: apmail-hadoop-common-dev-archive@www.apache.org Delivered-To: apmail-hadoop-common-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 8495B105FB for ; Tue, 17 Dec 2013 18:58:12 +0000 (UTC) Received: (qmail 9570 invoked by uid 500); 17 Dec 2013 18:58:09 -0000 Delivered-To: apmail-hadoop-common-dev-archive@hadoop.apache.org Received: (qmail 9466 invoked by uid 500); 17 Dec 2013 18:58:08 -0000 Mailing-List: contact common-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-dev@hadoop.apache.org Delivered-To: mailing list common-dev@hadoop.apache.org Received: (qmail 9406 invoked by uid 99); 17 Dec 2013 18:58:08 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 17 Dec 2013 18:58:08 +0000 Date: Tue, 17 Dec 2013 18:58:08 +0000 (UTC) From: "Daryn Sharp (JIRA)" To: common-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HADOOP-10173) Remove UGI from DIGEST-MD5 SASL server creation MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Daryn Sharp created HADOOP-10173: ------------------------------------ Summary: Remove UGI from DIGEST-MD5 SASL server creation Key: HADOOP-10173 URL: https://issues.apache.org/jira/browse/HADOOP-10173 Project: Hadoop Common Issue Type: Improvement Components: ipc Affects Versions: 0.23.0, 3.0.0, 2.4.0 Reporter: Daryn Sharp Assignee: Daryn Sharp Priority: Critical Instantiation of SASL server instances within the readers threads is performed within a {{UGI.getCurrentUser().doAs}}. {{getCurrentUser}} is synchronized, and doAs also degrades performance. GSSAPI (kerberos) requires instantiation within a doAs, but DIGEST-MD5 (token) does not. -- This message was sent by Atlassian JIRA (v6.1.4#6159)