Return-Path: Delivered-To: apmail-hadoop-core-commits-archive@www.apache.org Received: (qmail 90781 invoked from network); 3 Jun 2008 13:38:30 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 3 Jun 2008 13:38:30 -0000 Received: (qmail 49555 invoked by uid 500); 3 Jun 2008 13:38:32 -0000 Delivered-To: apmail-hadoop-core-commits-archive@hadoop.apache.org Received: (qmail 49517 invoked by uid 500); 3 Jun 2008 13:38:32 -0000 Mailing-List: contact core-commits-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-commits@hadoop.apache.org Received: (qmail 49508 invoked by uid 99); 3 Jun 2008 13:38:32 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Jun 2008 06:38:32 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED,OBSCURED_EMAIL X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO eris.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Jun 2008 13:37:35 +0000 Received: by eris.apache.org (Postfix, from userid 65534) id 500A62388A62; Tue, 3 Jun 2008 06:37:56 -0700 (PDT) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: svn commit: r662795 [2/2] - in /hadoop/core/trunk: docs/ src/contrib/hod/ src/contrib/hod/bin/ src/contrib/hod/hodlib/Common/ src/contrib/hod/hodlib/Hod/ src/contrib/hod/hodlib/NodePools/ src/contrib/hod/support/ src/docs/src/documentation/content/xdocs/ Date: Tue, 03 Jun 2008 13:37:55 -0000 To: core-commits@hadoop.apache.org From: ddas@apache.org X-Mailer: svnmailer-1.0.8 Message-Id: <20080603133756.500A62388A62@eris.apache.org> X-Virus-Checked: Checked by ClamAV on apache.org Modified: hadoop/core/trunk/docs/hod_user_guide.pdf URL: http://svn.apache.org/viewvc/hadoop/core/trunk/docs/hod_user_guide.pdf?rev=662795&r1=662794&r2=662795&view=diff ============================================================================== --- hadoop/core/trunk/docs/hod_user_guide.pdf (original) +++ hadoop/core/trunk/docs/hod_user_guide.pdf Tue Jun 3 06:37:54 2008 @@ -581,10 +581,10 @@ >> endobj 98 0 obj -<< /Length 2655 /Filter [ /ASCII85Decode /FlateDecode ] +<< /Length 2626 /Filter [ /ASCII85Decode /FlateDecode ] >> stream 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startxref -65173 +65238 %%EOF Modified: hadoop/core/trunk/src/contrib/hod/CHANGES.txt URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/hod/CHANGES.txt?rev=662795&r1=662794&r2=662795&view=diff ============================================================================== --- hadoop/core/trunk/src/contrib/hod/CHANGES.txt (original) +++ hadoop/core/trunk/src/contrib/hod/CHANGES.txt Tue Jun 3 06:37:54 2008 @@ -8,6 +8,10 @@ NEW FEATURES IMPROVEMENTS + + HADOOP-3376: Provide a mechanism to detect and handle violations to + resource manager limits. (Vinod Kumar Vavilapalli via ddas) + BUG FIXES Modified: hadoop/core/trunk/src/contrib/hod/bin/hod URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/hod/bin/hod?rev=662795&r1=662794&r2=662795&view=diff ============================================================================== --- hadoop/core/trunk/src/contrib/hod/bin/hod (original) +++ hadoop/core/trunk/src/contrib/hod/bin/hod Tue Jun 3 06:37:54 2008 @@ -49,7 +49,8 @@ from hodlib.Common.descGenerator import * from hodlib.Common.util import local_fqdn, need_to_allocate, filter_warnings,\ get_exception_error_string, hodInterrupt, \ - HOD_INTERRUPTED_MESG, HOD_INTERRUPTED_CODE + HOD_INTERRUPTED_MESG, HOD_INTERRUPTED_CODE,\ + TORQUE_USER_LIMITS_COMMENT_FIELD from hodlib.Common.tcp import tcpError, tcpSocket from hodlib.Hod.hod import hodHelp @@ -145,6 +146,9 @@ ('update-worker-info', 'bool', 'Specifies whether to update Worker Info after allocation', False, False, False, True), + ('job-feasibility-attr', 'string', 'Specifies whether to check job feasibility - resource manager and/or scheduler limits, also gives the attribute value', + False, None, False, True), + ('title', 'string', 'Title for the current HOD allocation.', True, "HOD", False, True, 'N'), Modified: hadoop/core/trunk/src/contrib/hod/hodlib/Common/setup.py URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/hod/hodlib/Common/setup.py?rev=662795&r1=662794&r2=662795&view=diff ============================================================================== --- hadoop/core/trunk/src/contrib/hod/hodlib/Common/setup.py (original) +++ hadoop/core/trunk/src/contrib/hod/hodlib/Common/setup.py Tue Jun 3 06:37:54 2008 @@ -34,7 +34,7 @@ reComma = re.compile("\s*,\s*") reDot = re.compile("\.") reCommentHack = re.compile("^.*?\s+#|;.*", flags=re.S) -reCommentNewline = re.compile("\W$") +reCommentNewline = re.compile("\n|\r$") reKeyVal = r"(? maxUsage: + return "Never", msg + if reqUsage + currentUsage > maxUsage: + return False, msg + except Exception, e: + self._log.error("Error in isJobFeasible : %s" %e) + raise Exception(e) + return True, msg def runWorkers(self, args): return self.__torque.pbsdsh(args) Added: hadoop/core/trunk/src/contrib/hod/support/checklimits.sh URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/hod/support/checklimits.sh?rev=662795&view=auto ============================================================================== --- hadoop/core/trunk/src/contrib/hod/support/checklimits.sh (added) +++ hadoop/core/trunk/src/contrib/hod/support/checklimits.sh Tue Jun 3 06:37:54 2008 @@ -0,0 +1,57 @@ +#!/bin/bash + +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +COMMANDS=( "qstat" "qalter" "checkjob" ) +ERROR=0 +for (( i=0; i<${#COMMANDS[@]}; i++ )) +do + cmd=${COMMANDS[$i]} + CMD_PATH=`which $cmd 2>/dev/null` + if [ $? -ne 0 ] + then + echo Could not find $cmd in PATH + ERROR=1 + fi +done +if [ $ERROR -ne 0 ] +then + exit 1 +fi + +jobs=`qstat -i |grep -o -e '^[0-9]*'` +for job in $jobs +do + echo -en "$job\t" + PATTERN="job [^ ]* violates active HARD MAXPROC limit of \([0-9]*\) for user [^ ]*[ ]*(R: \([0-9]*\), U: \([0-9]*\))" + OUT=`checkjob $job 2>&1|grep -o -e "$PATTERN"` + if [ $? -eq 0 ] + then + echo -en "| Exceeds resource limits\t" + COMMENT_FIELD=`echo $OUT|sed -e "s/$PATTERN/User-limits exceeded. Requested:\2 Used:\3 MaxLimit:\1/"` + qstat -f $job|grep '^[ \t]*comment = .*$' >/dev/null + if [ $? -ne 0 ] + then + echo -en "| Comment field updated\t" + qalter $job -W comment="$COMMENT_FIELD" >/dev/null + else + echo -en "| Comment field already set\t" + fi + else + echo -en "| Doesn't exceed limits.\t" + fi + echo +done Modified: hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_admin_guide.xml URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_admin_guide.xml?rev=662795&r1=662794&r2=662795&view=diff ============================================================================== --- hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_admin_guide.xml (original) +++ hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_admin_guide.xml Tue Jun 3 06:37:54 2008 @@ -313,6 +313,32 @@

python logcondense.py -p ~/hadoop-0.17.0/bin/hadoop -d 7 -c ~/hadoop-conf -l /user

+
+ checklimits.sh - Tool to update torque comment field reflecting resource limits +

checklimits is a HOD tool specific to torque/maui environment. It + updates torque comment field when newly submitted job(s) violate/cross + over user limits set up in maui scheduler. It uses qstat, does one pass + over torque job list to find out queued or unfinished jobs, runs maui + tool checkjob on each job to see if user limits are violated and then + runs torque's qalter utility to update job attribute 'comment'. Currently + it updates the comment as User-limits exceeded. Requested:([0-9]*) + Used:([0-9]*) MaxLimit:([0-9]*) for those jobs that violate limits. + This comment field is then used by HOD to behave accordingly depending on + the type of violation.

+
+ Running checklimits.sh +

checklimits.sh is available under hod_install_location/support + folder. This is a shell script and can be run directly as sh + checklimits.sh or as ./checklimits.sh after enabling + execute permissions. In order for this tool to be able to update + comment field of jobs from different users, it has to be run with + torque administrative privileges. This tool has to be run repeatedly + after specific intervals of time to frequently update jobs violating + constraints, for e.g. via cron. Please note that the resource manager + and scheduler commands used in this script can be expensive and so + it is better not to run this inside a tight loop without sleeping.

+
+
Modified: hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_config_guide.xml URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_config_guide.xml?rev=662795&r1=662794&r2=662795&view=diff ============================================================================== --- hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_config_guide.xml (original) +++ hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_config_guide.xml Tue Jun 3 06:37:54 2008 @@ -104,6 +104,27 @@ specified as key-value pairs. These will be used to generate a hadoop-site.xml on the submit node that should be used for running MapReduce jobs. +
  • job-feasibility-attr: A regular expression string that specifies + whether and how to check job feasibility - resource + manager or scheduler limits. The current + implementation corresponds to the torque job + attribute 'comment' and by default is disabled. + When set, HOD uses it to decide what type + of limit violation is triggered and either + deallocates the cluster or stays in queued state + according as the request is beyond maximum limits or + the cumulative usage has crossed maxumum limits. + The torque comment attribute may be updated + periodically by an external mechanism. For e.g., + comment attribute can be updated by running + checklimits.sh script in hod/support directory, + and then setting job-feasibility-attr equal to the + value TORQUE_USER_LIMITS_COMMENT_FIELD i.e + "User-limits exceeded. Requested:([0-9]*) + Used:([0-9]*) MaxLimit:([0-9]*)" will make HOD + behave accordingly. +
    • Modified: hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_user_guide.xml URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_user_guide.xml?rev=662795&r1=662794&r2=662795&view=diff ============================================================================== --- hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_user_guide.xml (original) +++ hadoop/core/trunk/src/docs/src/documentation/content/xdocs/hod_user_guide.xml Tue Jun 3 06:37:54 2008 @@ -404,7 +404,8 @@ 4 Scheduler failure 1. Requested more resources than available. Run checknodes cluster_name to see if enough nodes are available.
    - 2. Torque is misconfigured, the path to Torque binaries is misconfigured, or other Torque problems. Contact system administrator. + 2. Requested resources exceed resource manager limits.
    + 3. Torque is misconfigured, the path to Torque binaries is misconfigured, or other Torque problems. Contact system administrator. 5