Return-Path: X-Original-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 4066A18D83 for ; Tue, 3 Nov 2015 01:29:29 +0000 (UTC) Received: (qmail 69932 invoked by uid 500); 3 Nov 2015 01:29:28 -0000 Delivered-To: apmail-hadoop-hdfs-dev-archive@hadoop.apache.org Received: (qmail 69763 invoked by uid 500); 3 Nov 2015 01:29:28 -0000 Mailing-List: contact hdfs-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-dev@hadoop.apache.org Delivered-To: mailing list hdfs-dev@hadoop.apache.org Received: (qmail 69720 invoked by uid 99); 3 Nov 2015 01:29:28 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Nov 2015 01:29:28 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id CF67A2C1F63 for ; Tue, 3 Nov 2015 01:29:27 +0000 (UTC) Date: Tue, 3 Nov 2015 01:29:27 +0000 (UTC) From: "Xiao Chen (JIRA)" To: hdfs-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HDFS-9364) Unnecessary DNS resolution attempts when NameNodeProxies MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Xiao Chen created HDFS-9364: ------------------------------- Summary: Unnecessary DNS resolution attempts when NameNodeProxies Key: HDFS-9364 URL: https://issues.apache.org/jira/browse/HDFS-9364 Project: Hadoop HDFS Issue Type: Bug Reporter: Xiao Chen Assignee: Xiao Chen When creating NameNodeProxies, we always try to DNS-resolve namenode URIs. This is unnecessary if the URI is logical, and may be significantly slow if the DNS is having problems. -- This message was sent by Atlassian JIRA (v6.3.4#6332)