Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id A5029200B50 for ; Fri, 15 Jul 2016 02:19:22 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id A38DF160A85; Fri, 15 Jul 2016 00:19:22 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id C4B60160A63 for ; Fri, 15 Jul 2016 02:19:21 +0200 (CEST) Received: (qmail 71696 invoked by uid 500); 15 Jul 2016 00:19:20 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 71679 invoked by uid 99); 15 Jul 2016 00:19:20 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 15 Jul 2016 00:19:20 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id B6B572C02A8 for ; Fri, 15 Jul 2016 00:19:20 +0000 (UTC) Date: Fri, 15 Jul 2016 00:19:20 +0000 (UTC) From: "Hadoop QA (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-13321) Deprecate FileSystem APIs that promote inefficient call patterns. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Fri, 15 Jul 2016 00:19:22 -0000 [ https://issues.apache.org/jira/browse/HADOOP-13321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378651#comment-15378651 ] Hadoop QA commented on HADOOP-13321: ------------------------------------ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 22s{color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | | {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s{color} | {color:red} The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 24s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 51s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 24s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 55s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 21s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 45s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 36s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 50s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} javac {color} | {color:red} 6m 50s{color} | {color:red} root generated 1243 new + 711 unchanged - 0 fixed = 1954 total (was 711) {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 27s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 53s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 26s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 44s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 56s{color} | {color:green} hadoop-common in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 21s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 39m 12s{color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:9560f25 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12818059/HADOOP-13321.000.patch | | JIRA Issue | HADOOP-13321 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle | | uname | Linux 0533553f676d 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | trunk / e549a9a | | Default Java | 1.8.0_91 | | findbugs | v3.0.0 | | javac | https://builds.apache.org/job/PreCommit-HADOOP-Build/10006/artifact/patchprocess/diff-compile-javac-root.txt | | Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/10006/testReport/ | | modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common | | Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/10006/console | | Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > Deprecate FileSystem APIs that promote inefficient call patterns. > ----------------------------------------------------------------- > > Key: HADOOP-13321 > URL: https://issues.apache.org/jira/browse/HADOOP-13321 > Project: Hadoop Common > Issue Type: Improvement > Components: fs > Reporter: Chris Nauroth > Assignee: Mingliang Liu > Attachments: HADOOP-13321.000.patch > > > {{FileSystem}} contains several methods that act as convenience wrappers over calling {{getFileStatus}} and retrieving a single property of the returned {{FileStatus}}. These methods have a habit of fostering inefficient call patterns in applications, resulting in multiple redundant {{getFileStatus}} calls. For HDFS, this translates into wasteful NameNode RPC traffic. For file systems backed by cloud object stores, this translates into wasteful HTTP traffic. This issue proposes to deprecate these methods and instead encourage applications to call {{getFileStatus}} and then reuse the same {{FileStatus}} instance as needed. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: common-issues-help@hadoop.apache.org