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 EBF88200C1D for ; Thu, 2 Feb 2017 01:45:56 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id EAA49160B63; Thu, 2 Feb 2017 00:45:56 +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 40491160B46 for ; Thu, 2 Feb 2017 01:45:56 +0100 (CET) Received: (qmail 15517 invoked by uid 500); 2 Feb 2017 00:45:55 -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 15506 invoked by uid 99); 2 Feb 2017 00:45:55 -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, 02 Feb 2017 00:45:55 +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 E79181A02D1 for ; Thu, 2 Feb 2017 00:45:54 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -1.999 X-Spam-Level: X-Spam-Status: No, score=-1.999 tagged_above=-999 required=6.31 tests=[KAM_LAZY_DOMAIN_SECURITY=1, RP_MATCHES_RCVD=-2.999] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id tYyyLbIiafdG for ; Thu, 2 Feb 2017 00:45:54 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 4FB9B5FACC for ; Thu, 2 Feb 2017 00:45:53 +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 5FFBEE040D for ; Thu, 2 Feb 2017 00:45:52 +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 BB3152528E for ; Thu, 2 Feb 2017 00:45:51 +0000 (UTC) Date: Thu, 2 Feb 2017 00:45:51 +0000 (UTC) From: "Yongjun Zhang (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-11363) Need more diagnosis info when seeing Slow waitForAckedSeqno MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 02 Feb 2017 00:45:57 -0000 [ https://issues.apache.org/jira/browse/HDFS-11363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849184#comment-15849184 ] Yongjun Zhang commented on HDFS-11363: -------------------------------------- Thanks [~xiaochen] for the new rev, except for an extra ":", I'm +1. > Need more diagnosis info when seeing Slow waitForAckedSeqno > ----------------------------------------------------------- > > Key: HDFS-11363 > URL: https://issues.apache.org/jira/browse/HDFS-11363 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Yongjun Zhang > Assignee: Xiao Chen > Labels: supportability > Attachments: HDFS-11363.01.patch, HDFS-11363.02.patch > > > When client writes a file, it may get the following message when ACK doesn't get back in a timely manner: > WARN hdfs.DFSClient: Slow waitForAckedSeqno took 39264ms (threshold=30000ms) > It would be nice to tell what file it's writing, and what DataNodes are in the pipeline, together with this message, to facilitate investigating related performance issue. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org