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 4532D181A2 for ; Wed, 20 Jan 2016 19:04:41 +0000 (UTC) Received: (qmail 70859 invoked by uid 500); 20 Jan 2016 19:04:40 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 70771 invoked by uid 500); 20 Jan 2016 19:04:40 -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 70464 invoked by uid 99); 20 Jan 2016 19:04:40 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 Jan 2016 19:04:40 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 540292C1F5D for ; Wed, 20 Jan 2016 19:04:40 +0000 (UTC) Date: Wed, 20 Jan 2016 19:04:40 +0000 (UTC) From: "Xiaoyu Yao (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-9667) StorageType: SSD precede over DISK 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-9667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15109184#comment-15109184 ] Xiaoyu Yao commented on HDFS-9667: ---------------------------------- Thanks [~aderen] for reporting this, this seems to be a dup of HDFS-8361. > StorageType: SSD precede over DISK > ---------------------------------- > > Key: HDFS-9667 > URL: https://issues.apache.org/jira/browse/HDFS-9667 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 2.6.0, 2.7.0 > Reporter: ade > Assignee: ade > Fix For: 2.6.0 > > Attachments: HDFS-9667.0.patch > > > We enabled the heterogeneous storage in our cluster and there are only ~50% of datanode & regionserver hosts with SSD. We set hfile with ONE_SSD storagepolicy but we found block's all replica are DISK often even local host with SSD storage. The block placement do not choose SSD first to place replica. -- This message was sent by Atlassian JIRA (v6.3.4#6332)