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 F359C200D3A for ; Wed, 1 Nov 2017 06:44:04 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id F1F6D160BFA; Wed, 1 Nov 2017 05:44:04 +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 41CAC1609EF for ; Wed, 1 Nov 2017 06:44:04 +0100 (CET) Received: (qmail 36129 invoked by uid 500); 1 Nov 2017 05:44:03 -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 36118 invoked by uid 99); 1 Nov 2017 05:44:03 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 01 Nov 2017 05:44:03 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 8DE831830E0 for ; Wed, 1 Nov 2017 05:44:02 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, 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 (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id oLQKC64WHSKA for ; Wed, 1 Nov 2017 05:44:01 +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 29A1160D28 for ; Wed, 1 Nov 2017 05:44:01 +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 5D262E0059 for ; Wed, 1 Nov 2017 05:44:00 +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 14C3E212F6 for ; Wed, 1 Nov 2017 05:44:00 +0000 (UTC) Date: Wed, 1 Nov 2017 05:44:00 +0000 (UTC) From: "Xiao Chen (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-12725) BlockPlacementPolicyRackFaultTolerant still fails with racks with very few nodes MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Wed, 01 Nov 2017 05:44:05 -0000 [ https://issues.apache.org/jira/browse/HDFS-12725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Xiao Chen updated HDFS-12725: ----------------------------- Attachment: HDFS-12725.04.patch Patch 4 to fix the checkstyles that's relevant. Method with 7+ parameters is not my favorite, but that is consistent with other calls inside the bpp. > BlockPlacementPolicyRackFaultTolerant still fails with racks with very few nodes > -------------------------------------------------------------------------------- > > Key: HDFS-12725 > URL: https://issues.apache.org/jira/browse/HDFS-12725 > Project: Hadoop HDFS > Issue Type: Bug > Components: erasure-coding > Affects Versions: 3.0.0 > Reporter: Xiao Chen > Assignee: Xiao Chen > Priority: Major > Labels: hdfs-ec-3.0-must-do > Attachments: HDFS-12725.01.patch, HDFS-12725.02.patch, HDFS-12725.03.patch, HDFS-12725.04.patch > > > HDFS-12567 tries to fix the scenario where EC blocks may not be allocated in extremely rack-imbalanced cluster. > The added fall-back step of the fix could be improved to do a best-effort placement. This is more likely to happen in testing than in real clusters. -- 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