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 ED4AC200CF9 for ; Sun, 17 Sep 2017 20:26:06 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id EBAD71609D8; Sun, 17 Sep 2017 18:26:06 +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 3D37D1609CF for ; Sun, 17 Sep 2017 20:26:06 +0200 (CEST) Received: (qmail 76066 invoked by uid 500); 17 Sep 2017 18:26:05 -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 76051 invoked by uid 99); 17 Sep 2017 18:26:05 -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; Sun, 17 Sep 2017 18:26:05 +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 D348D1835F8 for ; Sun, 17 Sep 2017 18:26:04 +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-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id GpCrxvZCU8jV for ; Sun, 17 Sep 2017 18:26:04 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id D8E345F6C8 for ; Sun, 17 Sep 2017 18:26:03 +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 A3CB3E0C21 for ; Sun, 17 Sep 2017 18:26:02 +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 E7B5825382 for ; Sun, 17 Sep 2017 18:26:00 +0000 (UTC) Date: Sun, 17 Sep 2017 18:26:00 +0000 (UTC) From: "Brahma Reddy Battula (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-11799) Introduce a config to allow setting up write pipeline with fewer nodes than replication factor MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Sun, 17 Sep 2017 18:26:07 -0000 [ https://issues.apache.org/jira/browse/HDFS-11799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Brahma Reddy Battula updated HDFS-11799: ---------------------------------------- Attachment: HDFS-11799-007.patch Uploaded patch as per above suggestion. > Introduce a config to allow setting up write pipeline with fewer nodes than replication factor > ---------------------------------------------------------------------------------------------- > > Key: HDFS-11799 > URL: https://issues.apache.org/jira/browse/HDFS-11799 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Yongjun Zhang > Assignee: Brahma Reddy Battula > Attachments: HDFS-11799-002.patch, HDFS-11799-003.patch, HDFS-11799-004.patch, HDFS-11799-005.patch, HDFS-11799-006.patch, HDFS-11799-007.patch, HDFS-11799.patch > > > During pipeline recovery, if not enough DNs can be found, if > dfs.client.block.write.replace-datanode-on-failure.best-effort > is enabled, we let the pipeline to continue, even if there is a single DN. > Similarly, when we create the write pipeline initially, if for some reason we can't find enough DNs, we can have a similar config to enable writing with a single DN. > More study will be done. > -- 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