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 5E13217809 for ; Fri, 13 Feb 2015 15:26:20 +0000 (UTC) Received: (qmail 7326 invoked by uid 500); 13 Feb 2015 15:26:15 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 7265 invoked by uid 500); 13 Feb 2015 15:26:15 -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 7253 invoked by uid 99); 13 Feb 2015 15:26:15 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 13 Feb 2015 15:26:15 +0000 Date: Fri, 13 Feb 2015 15:26:15 +0000 (UTC) From: "Hudson (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-7694) FSDataInputStream should support "unbuffer" 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/HDFS-7694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14320270#comment-14320270 ] Hudson commented on HDFS-7694: ------------------------------ FAILURE: Integrated in Hadoop-Mapreduce-trunk #2054 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2054/]) HDFS-7694. FSDataInputStream should support "unbuffer" (cmccabe) (cmccabe: rev 6b39ad0865cb2a7960dd59d68178f0bf28865ce2) * hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.h * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java * hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs/hdfs.c * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/PeerCache.java * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FSDataInputStream.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestUnbuffer.java * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CanUnbuffer.java > FSDataInputStream should support "unbuffer" > ------------------------------------------- > > Key: HDFS-7694 > URL: https://issues.apache.org/jira/browse/HDFS-7694 > Project: Hadoop HDFS > Issue Type: Improvement > Affects Versions: 2.7.0 > Reporter: Colin Patrick McCabe > Assignee: Colin Patrick McCabe > Fix For: 2.7.0 > > Attachments: HDFS-7694.001.patch, HDFS-7694.002.patch, HDFS-7694.003.patch, HDFS-7694.004.patch, HDFS-7694.005.patch > > > For applications that have many open HDFS (or other Hadoop filesystem) files, it would be useful to have an API to clear readahead buffers and sockets. This could be added to the existing APIs as an optional interface, in much the same way as we added setReadahead / setDropBehind / etc. -- This message was sent by Atlassian JIRA (v6.3.4#6332)