Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-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 AB8121106E for ; Tue, 29 Jul 2014 21:59:39 +0000 (UTC) Received: (qmail 57451 invoked by uid 500); 29 Jul 2014 21:59:39 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 57392 invoked by uid 500); 29 Jul 2014 21:59:39 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 57379 invoked by uid 99); 29 Jul 2014 21:59:39 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 29 Jul 2014 21:59:39 +0000 Date: Tue, 29 Jul 2014 21:59:39 +0000 (UTC) From: "Daryn Sharp (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HDFS-6773) MiniDFSCluster can run dramatically faster MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Daryn Sharp created HDFS-6773: --------------------------------- Summary: MiniDFSCluster can run dramatically faster Key: HDFS-6773 URL: https://issues.apache.org/jira/browse/HDFS-6773 Project: Hadoop HDFS Issue Type: Improvement Components: namenode Affects Versions: 2.0.0-alpha, 3.0.0 Reporter: Daryn Sharp The mini cluster is unnecessarily running with durable edit logs. The following change cut runtime of a single test from ~30s to ~10s. {code}EditLogFileOutputStream.setShouldSkipFsyncForTesting(true);{code} The mini cluster should default to this behavior after identifying the few edit log tests that probably depend on durable logs. -- This message was sent by Atlassian JIRA (v6.2#6252)