From jira-return-8719-archive-asf-public=cust-asf.ponee.io@kafka.apache.org Thu Jan 11 11:40:06 2018 Return-Path: X-Original-To: archive-asf-public@eu.ponee.io Delivered-To: archive-asf-public@eu.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by mx-eu-01.ponee.io (Postfix) with ESMTP id CFA9518076D for ; Thu, 11 Jan 2018 11:40:06 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id C00F7160C1F; Thu, 11 Jan 2018 10:40:06 +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 0BAA3160C20 for ; Thu, 11 Jan 2018 11:40:05 +0100 (CET) Received: (qmail 9004 invoked by uid 500); 11 Jan 2018 10:40:05 -0000 Mailing-List: contact jira-help@kafka.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: jira@kafka.apache.org Delivered-To: mailing list jira@kafka.apache.org Received: (qmail 8987 invoked by uid 99); 11 Jan 2018 10:40:05 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Jan 2018 10:40:05 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id B6F8D1A0EBD for ; Thu, 11 Jan 2018 10:40:04 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.711 X-Spam-Level: X-Spam-Status: No, score=-100.711 tagged_above=-999 required=6.31 tests=[RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id g2F8NQPNrrfa for ; Thu, 11 Jan 2018 10:40:03 +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 1C5ED5F3BA for ; Thu, 11 Jan 2018 10:40:03 +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 956A9E0373 for ; Thu, 11 Jan 2018 10:40:01 +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 5953E255D6 for ; Thu, 11 Jan 2018 10:40:00 +0000 (UTC) Date: Thu, 11 Jan 2018 10:40:00 +0000 (UTC) From: "Lakshmi G S (JIRA)" To: jira@kafka.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (KAFKA-5504) Kafka controller is not getting elected 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/KAFKA-5504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322027#comment-16322027 ] Lakshmi G S commented on KAFKA-5504: ------------------------------------ Hi Andrey, Have you identified the root cause yet? We are facing the same issue in one of our environments. > Kafka controller is not getting elected > --------------------------------------- > > Key: KAFKA-5504 > URL: https://issues.apache.org/jira/browse/KAFKA-5504 > Project: Kafka > Issue Type: Bug > Components: controller > Affects Versions: 0.9.0.1 > Reporter: Ashish Kumar > > I am having a kafka cluster of 20 nodes and I was facing the issue of under-replicated topics issue for last few days so decided to restart the broker which was working as a controller but after restart getting below logs in all the brokers (It seems controller is not finalized and leader election is happening continuously): > [2017-06-23 02:59:50,388] INFO Result of znode creation is: NODEEXISTS (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:50,396] INFO New leader is 12 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > [2017-06-23 02:59:50,410] INFO Rolled new log segment for 'dpe_feedback_rating_history-4' in 0 ms. (kafka.log.Log) > [2017-06-23 02:59:51,585] INFO Creating /controller (is it secure? false) (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:51,590] INFO Result of znode creation is: NODEEXISTS (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:51,609] INFO New leader is 11 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > [2017-06-23 02:59:52,792] INFO Creating /controller (is it secure? false) (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:52,799] INFO Result of znode creation is: NODEEXISTS (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:52,808] INFO New leader is 12 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > [2017-06-23 02:59:54,122] INFO New leader is 3 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > [2017-06-23 02:59:55,504] INFO Creating /controller (is it secure? false) (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:55,512] INFO Result of znode creation is: NODEEXISTS (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:55,520] INFO New leader is 11 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > [2017-06-23 02:59:56,695] INFO Creating /controller (is it secure? false) (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:56,701] INFO Result of znode creation is: NODEEXISTS (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:56,709] INFO New leader is 11 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > [2017-06-23 02:59:57,949] INFO Creating /controller (is it secure? false) (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:57,955] INFO Result of znode creation is: NODEEXISTS (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:57,965] INFO New leader is 12 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > [2017-06-23 02:59:59,378] INFO Creating /controller (is it secure? false) (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:59,384] INFO Result of znode creation is: NODEEXISTS (kafka.utils.ZKCheckedEphemeral) > [2017-06-23 02:59:59,395] INFO New leader is 12 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) > . > . > . > Tried deleting controller znode (/controller) but no luck. Please let me know if any fix is possible here. -- This message was sent by Atlassian JIRA (v6.4.14#64029)