Return-Path: <hdfs-issues-return-175568-archive-asf-public=cust-asf.ponee.io@hadoop.apache.org>
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 EEC13200BE7
	for <archive-asf-public-internal@cust-asf2.ponee.io>; Tue,  6 Dec 2016 07:01:06 +0100 (CET)
Received: by cust-asf.ponee.io (Postfix)
	id ED5D5160B27; Tue,  6 Dec 2016 06:01:06 +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 4084C160B18
	for <archive-asf-public@cust-asf.ponee.io>; Tue,  6 Dec 2016 07:01:06 +0100 (CET)
Received: (qmail 95174 invoked by uid 500); 6 Dec 2016 06:01:05 -0000
Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
List-Help: <mailto:hdfs-issues-help@hadoop.apache.org>
List-Unsubscribe: <mailto:hdfs-issues-unsubscribe@hadoop.apache.org>
List-Post: <mailto:hdfs-issues@hadoop.apache.org>
List-Id: <hdfs-issues.hadoop.apache.org>
Delivered-To: mailing list hdfs-issues@hadoop.apache.org
Received: (qmail 95139 invoked by uid 99); 6 Dec 2016 06:01:05 -0000
Received: from arcas.apache.org (HELO arcas) (140.211.11.28)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Dec 2016 06:01:05 +0000
Received: from arcas.apache.org (localhost [127.0.0.1])
	by arcas (Postfix) with ESMTP id 22DA12C2A6A
	for <hdfs-issues@hadoop.apache.org>; Tue,  6 Dec 2016 06:01:05 +0000 (UTC)
Date: Tue, 6 Dec 2016 06:01:05 +0000 (UTC)
From: "Weiwei Yang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13021744.1479473973000.446532.1481004065139@Atlassian.JIRA>
In-Reply-To: <JIRA.13021744.1479473973000@Atlassian.JIRA>
References: <JIRA.13021744.1479473973000@Atlassian.JIRA> <JIRA.13021744.1479473973246@arcas>
Subject: [jira] [Commented] (HDFS-11156) Add new op GETFILEBLOCKLOCATIONS to
 WebHDFS REST API
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394
archived-at: Tue, 06 Dec 2016 06:01:07 -0000


    [ https://issues.apache.org/jira/browse/HDFS-11156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15724468#comment-15724468 ] 

Weiwei Yang commented on HDFS-11156:
------------------------------------

Hi [~andrew.wang]

In that case client can still call GET_BLOCK_LOCATIONS, that is still working. Adding a new API should not break compatibility, this one now is jus like HDFS-10756 which adds "GETTRASHROOT" to webhdfs. 

> Add new op GETFILEBLOCKLOCATIONS to WebHDFS REST API
> ----------------------------------------------------
>
>                 Key: HDFS-11156
>                 URL: https://issues.apache.org/jira/browse/HDFS-11156
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: webhdfs
>    Affects Versions: 2.7.3
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>             Fix For: 2.8.0, 3.0.0-alpha2
>
>         Attachments: HDFS-11156.01.patch, HDFS-11156.02.patch, HDFS-11156.03.patch, HDFS-11156.04.patch, HDFS-11156.05.patch, HDFS-11156.06.patch
>
>
> Following webhdfs REST API
> {code}
> http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=GET_BLOCK_LOCATIONS&offset=0&length=1
> {code}
> will get a response like
> {code}
> {
>   "LocatedBlocks" : {
>     "fileLength" : 1073741824,
>     "isLastBlockComplete" : true,
>     "isUnderConstruction" : false,
>     "lastLocatedBlock" : { ... },
>     "locatedBlocks" : [ {...} ]
>   }
> }
> {code}
> This represents for *o.a.h.h.p.LocatedBlocks*. However according to *FileSystem* API, 
> {code}
> public BlockLocation[] getFileBlockLocations(Path p, long start, long len)
> {code}
> clients would expect an array of BlockLocation. This mismatch should be fixed. Marked as Incompatible change as this will change the output of the GET_BLOCK_LOCATIONS API.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org