Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-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 7DD6618925 for ; Fri, 21 Aug 2015 22:57:47 +0000 (UTC) Received: (qmail 2784 invoked by uid 500); 21 Aug 2015 22:57:47 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 2729 invoked by uid 500); 21 Aug 2015 22:57:47 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 2717 invoked by uid 99); 21 Aug 2015 22:57:47 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 21 Aug 2015 22:57:47 +0000 Date: Fri, 21 Aug 2015 22:57:47 +0000 (UTC) From: "Anu Engineer (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-12325) RPC Metrics : Add the ability track and log slow RPCs 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/HADOOP-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14707610#comment-14707610 ] Anu Engineer commented on HADOOP-12325: --------------------------------------- Thanks for your comments. I will re-factor the patch and upload. > RPC Metrics : Add the ability track and log slow RPCs > ----------------------------------------------------- > > Key: HADOOP-12325 > URL: https://issues.apache.org/jira/browse/HADOOP-12325 > Project: Hadoop Common > Issue Type: Improvement > Components: ipc, metrics > Affects Versions: 2.7.1 > Reporter: Anu Engineer > Assignee: Anu Engineer > Attachments: Callers of WritableRpcEngine.call.png, HADOOP-12325.001.patch, HADOOP-12325.002.patch, HADOOP-12325.003.patch, HADOOP-12325.004.patch > > > This JIRA proposes to add a counter called RpcSlowCalls and also a configuration setting that allows users to log really slow RPCs. Slow RPCs are RPCs that fall at 99th percentile. This is useful to troubleshoot why certain services like name node freezes under heavy load. -- This message was sent by Atlassian JIRA (v6.3.4#6332)