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 620BA200BF1 for ; Tue, 3 Jan 2017 22:11:00 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id 60A11160B20; Tue, 3 Jan 2017 21:11:00 +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 D02B4160B48 for ; Tue, 3 Jan 2017 22:10:59 +0100 (CET) Received: (qmail 23973 invoked by uid 500); 3 Jan 2017 21:10:58 -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 23696 invoked by uid 99); 3 Jan 2017 21:10:58 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Jan 2017 21:10:58 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 862542C2A68 for ; Tue, 3 Jan 2017 21:10:58 +0000 (UTC) Date: Tue, 3 Jan 2017 21:10:58 +0000 (UTC) From: "Lukas Majercak (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-11288) Manually allow block replication/deletion in Safe Mode MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 03 Jan 2017 21:11:00 -0000 [ https://issues.apache.org/jira/browse/HDFS-11288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15796189#comment-15796189 ] Lukas Majercak commented on HDFS-11288: --------------------------------------- Will send a proposed change momentarily > Manually allow block replication/deletion in Safe Mode > ------------------------------------------------------ > > Key: HDFS-11288 > URL: https://issues.apache.org/jira/browse/HDFS-11288 > Project: Hadoop HDFS > Issue Type: New Feature > Components: namenode > Affects Versions: 3.0.0-alpha1 > Reporter: Lukas Majercak > > Currently, the Safe Mode does not allow block replication/deletion, which makes sense, especially on startup, as we do not want to replicate blocks unnecessarily. > An issue we have seen in our clusters though, is when the NameNode is getting overwhelmed with the amounts of needed replications; in which case, we would like to be able to manually set the NN to be in a state in which R/Ws to FS are disallowed but the NN continues replicating/deleting blocks. -- 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