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 A52F8200D30 for ; Mon, 30 Oct 2017 22:09:05 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id A39F2160BE4; Mon, 30 Oct 2017 21:09:05 +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 EA7631609D5 for ; Mon, 30 Oct 2017 22:09:04 +0100 (CET) Received: (qmail 21971 invoked by uid 500); 30 Oct 2017 21:09:04 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 21959 invoked by uid 99); 30 Oct 2017 21:09:04 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 30 Oct 2017 21:09:04 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 5164FCDC73 for ; Mon, 30 Oct 2017 21:09:03 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.002 X-Spam-Level: X-Spam-Status: No, score=-100.002 tagged_above=-999 required=6.31 tests=[RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id uBEhlrwYC11a for ; Mon, 30 Oct 2017 21:09:02 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 0A02660F07 for ; Mon, 30 Oct 2017 21:09:02 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 5703AE0555 for ; Mon, 30 Oct 2017 21:09:01 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 14066212F8 for ; Mon, 30 Oct 2017 21:09:01 +0000 (UTC) Date: Mon, 30 Oct 2017 21:09:01 +0000 (UTC) From: "Steve Loughran (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-7878) API - expose an unique file identifier MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Mon, 30 Oct 2017 21:09:05 -0000 [ https://issues.apache.org/jira/browse/HDFS-7878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225724#comment-16225724 ] Steve Loughran commented on HDFS-7878: -------------------------------------- Bits I Understand are +1 from me > API - expose an unique file identifier > -------------------------------------- > > Key: HDFS-7878 > URL: https://issues.apache.org/jira/browse/HDFS-7878 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Sergey Shelukhin > Assignee: Sergey Shelukhin > Labels: BB2015-05-TBR > Attachments: HDFS-7878.01.patch, HDFS-7878.02.patch, HDFS-7878.03.patch, HDFS-7878.04.patch, HDFS-7878.05.patch, HDFS-7878.06.patch, HDFS-7878.07.patch, HDFS-7878.08.patch, HDFS-7878.09.patch, HDFS-7878.10.patch, HDFS-7878.11.patch, HDFS-7878.12.patch, HDFS-7878.13.patch, HDFS-7878.14.patch, HDFS-7878.15.patch, HDFS-7878.16.patch, HDFS-7878.17.patch, HDFS-7878.18.patch, HDFS-7878.19.patch, HDFS-7878.20.patch, HDFS-7878.21.patch, HDFS-7878.patch > > > See HDFS-487. > Even though that is resolved as duplicate, the ID is actually not exposed by the JIRA it supposedly duplicates. > INode ID for the file should be easy to expose; alternatively ID could be derived from block IDs, to account for appends... > This is useful e.g. for cache key by file, to make sure cache stays correct when file is overwritten. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org