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 A5E6610622 for ; Fri, 16 Jan 2015 12:27:34 +0000 (UTC) Received: (qmail 67358 invoked by uid 500); 16 Jan 2015 12:27:35 -0000 Delivered-To: apmail-hadoop-hdfs-dev-archive@hadoop.apache.org Received: (qmail 67215 invoked by uid 500); 16 Jan 2015 12:27:35 -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 67007 invoked by uid 99); 16 Jan 2015 12:27:35 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 16 Jan 2015 12:27:35 +0000 Date: Fri, 16 Jan 2015 12:27:35 +0000 (UTC) From: "Yi Liu (JIRA)" To: hdfs-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HDFS-7634) Lazy persist (memory) file should not support truncate currently MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Yi Liu created HDFS-7634: ---------------------------- Summary: Lazy persist (memory) file should not support truncat= e currently Key: HDFS-7634 URL: https://issues.apache.org/jira/browse/HDFS-7634 Project: Hadoop HDFS Issue Type: Sub-task Reporter: Yi Liu Assignee: Yi Liu Similar with {{append}}, lazy persist (memory) file should not support trun= cate currently. Quote the reason from HDFS-6581 design doc: {quote} Appends to files created with the LAZY_PERSISTflag will not be allowed in t= he initial implementation to avoid the complexity of keeping in=C2=ADmemory= and on=C2=ADdisk replicas in sync on a given DataNode. {quote} -- This message was sent by Atlassian JIRA (v6.3.4#6332)