Return-Path: X-Original-To: apmail-zookeeper-dev-archive@www.apache.org Delivered-To: apmail-zookeeper-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 8B43310F3B for ; Sun, 10 Nov 2013 02:23:18 +0000 (UTC) Received: (qmail 6603 invoked by uid 500); 10 Nov 2013 02:23:18 -0000 Delivered-To: apmail-zookeeper-dev-archive@zookeeper.apache.org Received: (qmail 6581 invoked by uid 500); 10 Nov 2013 02:23:18 -0000 Mailing-List: contact dev-help@zookeeper.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@zookeeper.apache.org Delivered-To: mailing list dev@zookeeper.apache.org Received: (qmail 6573 invoked by uid 99); 10 Nov 2013 02:23:18 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 10 Nov 2013 02:23:18 +0000 Date: Sun, 10 Nov 2013 02:23:18 +0000 (UTC) From: "Flavio Junqueira (JIRA)" To: dev@zookeeper.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (ZOOKEEPER-1666) Avoid Reverse DNS lookup if the hostname in connection string is literal IP address. 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/ZOOKEEPER-1666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13818329#comment-13818329 ] Flavio Junqueira commented on ZOOKEEPER-1666: --------------------------------------------- Never mind, I've seen it in the v1 patch for 3.4, but the v2 patch has the curly braces aligned just fine, +1. > Avoid Reverse DNS lookup if the hostname in connection string is literal IP address. > ------------------------------------------------------------------------------------ > > Key: ZOOKEEPER-1666 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1666 > Project: ZooKeeper > Issue Type: Improvement > Components: java client > Reporter: George Cao > Assignee: George Cao > Labels: patch, test > Attachments: ZOOKEEPER-1666-34.patch, ZOOKEEPER-1666-34v2.patch, ZOOKEEPER-1666.patch, ZOOKEEPER-1666.patch > > > In our ENV, if the InetSocketAddress.getHostName() is called and the host name in the connection string are literal IP address, then the call will trigger a reverse DNS lookup which is very slow. > And in this situation, the host name can simply set as the IP without causing any problem. -- This message was sent by Atlassian JIRA (v6.1#6144)