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 8E57A1731F for ; Sat, 25 Jul 2015 07:10:05 +0000 (UTC) Received: (qmail 27213 invoked by uid 500); 25 Jul 2015 07:10:05 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 27170 invoked by uid 500); 25 Jul 2015 07:10:05 -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 27155 invoked by uid 99); 25 Jul 2015 07:10:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 25 Jul 2015 07:10:05 +0000 Date: Sat, 25 Jul 2015 07:10:05 +0000 (UTC) From: "Gautam Gopalakrishnan (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Assigned] (HDFS-8821) Explain message "Operation category X is not supported in state standby" 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-8821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gautam Gopalakrishnan reassigned HDFS-8821: ------------------------------------------- Assignee: Gautam Gopalakrishnan > Explain message "Operation category X is not supported in state standby" > ------------------------------------------------------------------------- > > Key: HDFS-8821 > URL: https://issues.apache.org/jira/browse/HDFS-8821 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Gautam Gopalakrishnan > Assignee: Gautam Gopalakrishnan > Priority: Minor > Attachments: HDFS-8821-1.patch > > > There is one message specifically that causes many users to question the health of their HDFS cluster, namely "Operation category READ/WRITE is not supported in state standby". > HDFS-3447 is an attempt to lower the logging severity for StandbyException related messages but it is not resolved yet. So this jira is an attempt to explain this particular message so it appears less scary. > The text is question 3.17 in the Hadoop Wiki FAQ > ref: https://wiki.apache.org/hadoop/FAQ#What_does_the_message_.22Operation_category_READ.2FWRITE_is_not_supported_in_state_standby.22_mean.3F -- This message was sent by Atlassian JIRA (v6.3.4#6332)