From mapreduce-issues-return-93828-archive-asf-public=cust-asf.ponee.io@hadoop.apache.org Wed Oct 30 04:05:04 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 6B3E61804BB for ; Wed, 30 Oct 2019 05:05:04 +0100 (CET) Received: (qmail 87763 invoked by uid 500); 30 Oct 2019 04:05:02 -0000 Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list mapreduce-issues@hadoop.apache.org Received: (qmail 87731 invoked by uid 99); 30 Oct 2019 04:05:01 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 30 Oct 2019 04:05:01 +0000 Received: from jira-he-de.apache.org (static.172.67.40.188.clients.your-server.de [188.40.67.172]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id D25E2E30AA for ; Wed, 30 Oct 2019 04:05:00 +0000 (UTC) Received: from jira-he-de.apache.org (localhost.localdomain [127.0.0.1]) by jira-he-de.apache.org (ASF Mail Server at jira-he-de.apache.org) with ESMTP id 5006178060F for ; Wed, 30 Oct 2019 04:05:00 +0000 (UTC) Date: Wed, 30 Oct 2019 04:05:00 +0000 (UTC) From: "Hadoop QA (Jira)" To: mapreduce-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (MAPREDUCE-7208) Tuning TaskRuntimeEstimator MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/MAPREDUCE-7208?page=3Dcom.atlas= sian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D= 16962665#comment-16962665 ]=20 Hadoop QA commented on MAPREDUCE-7208: -------------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 21s= {color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0= m 0s{color} | {color:green} The patch does not contain any @author tags. {= color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green}= 0m 0s{color} | {color:green} The patch appears to include 7 new or modif= ied test files. {color} | || || || || {color:brown} trunk Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m 13s= {color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}= 17m 46s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 16= m 7s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}= 2m 53s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 6= m 58s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:gree= n} 12m 11s{color} | {color:green} branch has no errors when building and te= sting our client artifacts. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} = 9m 44s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 7= m 2s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 33s= {color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}= 4m 50s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 14= m 40s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 14m = 40s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:oran= ge} 3m 0s{color} | {color:orange} root: The patch generated 19 new + 1195= unchanged - 8 fixed =3D 1214 total (was 1203) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 7= m 30s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}= 0m 0s{color} | {color:green} There were no new shellcheck issues. {color= } | | {color:green}+1{color} | {color:green} shelldocs {color} | {color:green} = 0m 39s{color} | {color:green} There were no new shelldocs issues. {color} = | | {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m = 1s{color} | {color:red} The patch has 1 line(s) that end in whitespace. Use= git apply --whitespace=3Dfix <>. Refer https://git-scm.com/doc= s/git-apply {color} | | {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 2= s{color} | {color:green} The patch has no ill-formed XML file. {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:gree= n} 12m 15s{color} | {color:green} patch has no errors when building and tes= ting our client artifacts. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1= 0m 44s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 7= m 1s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:red}-1{color} | {color:red} unit {color} | {color:red} 8m 37s{col= or} | {color:red} hadoop-common in the patch failed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 84m 59s{col= or} | {color:red} hadoop-hdfs in the patch failed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 82m 4s{col= or} | {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {= color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 5m 3= 7s{color} | {color:green} hadoop-mapreduce-client-core in the patch passed.= {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m 2= 5s{color} | {color:green} hadoop-mapreduce-client-app in the patch passed. = {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red}118m 32s{col= or} | {color:red} hadoop-mapreduce-client-jobclient in the patch failed. {c= olor} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 1m 18s{col= or} | {color:red} hadoop-dynamometer-infra in the patch failed. {color} | | {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 1m 2= 5s{color} | {color:red} The patch generated 1 ASF License warnings. {color}= | | {color:black}{color} | {color:black} {color} | {color:black}453m 39s{colo= r} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.fs.viewfs.TestViewFsTrash | | | hadoop.hdfs.server.balancer.TestBalancer | | | hadoop.hdfs.server.namenode.TestRedudantBlocks | | | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPr= eemption | | | hadoop.tools.dynamometer.TestDynamometerInfra | \\ \\ || Subsystem || Report/Notes || | Docker | Client=3D19.03.4 Server=3D19.03.4 Image:yetus/hadoop:104ccca9169= | | JIRA Issue | MAPREDUCE-7208 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/1298430= 3/MAPREDUCE-7208.002.patch | | Optional Tests | dupname asflicense compile javac javadoc mvninstal= l mvnsite unit shadedclient findbugs checkstyle xml shellcheck shel= ldocs | | uname | Linux 811e933bad65 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:= 12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | trunk / bd498ba | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_222 | | shellcheck | v0.4.6 | | findbugs | v3.1.0-RC1 | | checkstyle | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679= /artifact/out/diff-checkstyle-root.txt | | whitespace | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679= /artifact/out/whitespace-eol.txt | | unit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679/artif= act/out/patch-unit-hadoop-common-project_hadoop-common.txt | | unit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679/artif= act/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt | | unit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679/artif= act/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoo= p-yarn-server-resourcemanager.txt | | unit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679/artif= act/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-= mapreduce-client-jobclient.txt | | unit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679/artif= act/out/patch-unit-hadoop-tools_hadoop-dynamometer_hadoop-dynamometer-infra= .txt | | Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7= 679/testReport/ | | asflicense | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7679= /artifact/out/patch-asflicense-problems.txt | | Max. process+thread count | 4770 (vs. ulimit of 5500) | | modules | C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hado= op-hdfs hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-serv= er-resourcemanager hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-= mapreduce-client-core hadoop-mapreduce-project/hadoop-mapreduce-client/hado= op-mapreduce-client-app hadoop-mapreduce-project/hadoop-mapreduce-client/ha= doop-mapreduce-client-jobclient hadoop-tools/hadoop-dynamometer/hadoop-dyna= mometer-infra U: . | | Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/= 7679/console | | Powered by | Apache Yetus 0.8.0 http://yetus.apache.org | This message was automatically generated. > Tuning TaskRuntimeEstimator=20 > ---------------------------- > > Key: MAPREDUCE-7208 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7208 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Reporter: Ahmed Hussein > Assignee: Ahmed Hussein > Priority: Minor > Attachments: MAPREDUCE-7208.001.patch, MAPREDUCE-7208.002.patch, = smoothing-exponential.md > > > By default, MR uses LegacyTaskRuntimeEstimator to get an estimate of the = runtime. =C2=A0The estimator does not adjust dynamically to the progress ra= te of the tasks. On the other hand, the existing alternative "Exponentially= SmoothedTaskRuntimeEstimator" behavior in unpredictable. > =C2=A0 > There are several dimensions to improve the exponential implementation: > # Exponential shooting needs a warmup period. Otherwise, the estimate wi= ll be affected by the initial values. > # Using a single=C2=A0smoothing factor (Lambda) does not work well for a= ll the tasks. To increase the level of smoothing across the majority of tas= ks, we need to give a range of flexibility to dynamically adjust the smooth= ing factor=C2=A0based on the history of the task progress. > # Design wise, it is better to separate between the statistical model an= d the MR interface.=C2=A0We need to have a way to evaluate estimators stati= stically, without the need to run MR. For example, an estimator can be eval= uated as a black box by using a stream of raw data as input and testing the= accuracy of the generated stream of estimates. > # The exponential estimator=C2=A0speculates frequently and fails to dete= ct slowing tasks. It=C2=A0does not detect slowing tasks. As a result, a tas= kAttempt that does not do any progress won't trigger a new speculation. > =C2=A0 > The file [^smoothing-exponential.md]=C2=A0describes how Simple Exponentia= l smoothing factor works. > =C2=A0 > =C2=A0 -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-help@hadoop.apache.org