https://oar.imag.fr/ 2026-05-04T09:25:14+00:00 https://oar.imag.fr/ https://oar.imag.fr/_media/wiki:dokuwiki.svg text/html 2013-07-10T20:13:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:glite?rev=1373487211&do=diff OUTDATED for recent reference see <https://wiki.italiangrid.it/CREAM CREAM> * Questions / Todo * Be sure at which layer we must develop (BLAHp integration ?) * Choose and define the form of OAR integration (do we need to provide BLParserOAR C module) * Will we use OAR REST text/html 2013-07-10T15:28:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:google_summer_of_code?rev=1373470111&do=diff Latest News * March 1st 2011: OAR is applying as a mentoring organization for the GSoC 2011 Contact Our organization administrators are Philippe Le Brouster and Joseph Emeras If you are a student interested in applying for a Google Summer of Code project in our organization, please send any questions you have, projects you would like to propose, etc to text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2008_application_questions?rev=1373489712&do=diff About Your Organization 1. Describe your organization OAR is a resource management system for high performance computing clusters. It is based upon an original design that emphasizes on low software complexity by using high level components. The global architecture is built upon the scripting language Perl, a relational database engine Mysql/Postgresql and a parallel/scalable remote execution tool for clusters TakTuk? ( text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2008?rev=1373489712&do=diff We've been officially accepted by Google to participate to the “Google SoC 2008”: <http://code.google.com/soc/2008/>. You can see our organization information at: <http://code.google.com/soc/2008/oar/about.html>. Be aware that the interns application deadline is “March 31st”: <http://code.google.com/opensource/gsoc/2008/faqs.html#0.1_timeline>. If you are interested in one or several of our offers, please contact us as soon as possible. Mentor contact: text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2009_application_questions_and_further?rev=1373489712&do=diff Link ID oar Group Name OAR Home Page URL <http://oar.imag.fr> Description OAR is a Resource Management System (RMS) for high performance computing clusters. It is based upon an original design that emphasizes on low software complexity by using high level components. The global architecture is built upon the scripting languages Perl and Ruby, a relational database engine Mysql/Postgresql and a parallel/scalable remote execution tool for clusters TakTuk ( text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2009?rev=1373489712&do=diff Report The program is now over and was again a success. * The CiGri scheduler project lead to an efficient production scheduler, it is currently used on CiGri. * The Kameleon tool is currently used by the OAR dev. team, the tool itself is complete, we need to work on making more recipes now. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2010_oaradmin_api?rev=1373489712&do=diff Student and mentor ;), please read carefully this page... Student: Jean-Pierre POUTCHEU Mentor: Bruno Bzeznik Co-Mentor: Olivier Richard ---------- Student: Things to do before starting * <s>Subscribe to oar commits mailing list</s> * <s>Play with text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2010_test_suite?rev=1373489712&do=diff Student and mentor ;), please read carefully this page... Student: Narayanan K Mentor: Joseph Emeras Co-Mentor: Yiannis Georgiou ---------- Student: Things to do before starting * <s>Subscribe to oar commits mailing list</s> * <s>Play with text/html 2013-07-10T21:09:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2010_virtual_cluster?rev=1373490574&do=diff Student and mentor ;), please read carefully this page... Student: Thiago Presa Mentor: Derrick Kondo Co-Mentor: Bruno Bzeznik ---------- Student: Things to do before starting * Subscribe to oar commits mailing list * Play with Kameleon (generate a OAR/Debian appliance) text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2010_web_portal?rev=1373489712&do=diff See original proposal here Student and mentor ;), please read carefully this page... Student: Sundeep Kumar Mishra Mentor: Olivier Richard Co-Mentor: Romain Cavagna ---------- Student: Things to do before starting * Practice OAR RESTfull API. * Learn ExtJs 3.x (have also a look to ExtJs' books). text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2010?rev=1373489712&do=diff Since the former success of OAR’s participation to GSOC 2008 and 2009, we applied again this year and were selected to be a GSOC 2010 mentoring organization. The OAR team is very proud of participating for the third time to GSOC. The following subjects are proposed: text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_2011?rev=1373489712&do=diff The OAR project has not been selected for 2011 GSoC edition. ---------- OAR is applying to GSoC 2011 as a mentoring organization. * This year we will take benefit from the new arrival of 3 new engineers working on the OAR sphere to improve our participation to the program. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_advanced_scheduler_for_the_cigri_grid?rev=1373489712&do=diff See original proposal here Student and mentor ;), please read carefully this page... Student: Elton Mathias Mentor: Bruno Bzeznik Co-Mentor: Yiannis Georgiou ---------- Student: Things to do before starting * Already done: g5k account, svn account, branch into cigri svn text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_drmaa_rest_page?rev=1373489712&do=diff Student: Iheb Khemissi Advisor: Olivier Richard Co-Advisor: Bruno Bzeznik, ---------- Warning: after some brainstorming it seems that drmaa-rest approach is little bit too ambitous. the two main identified obstacles are: drmaa session management and concurrency accesses (multithread api support. the new purpose is to port a drmaa-c library for torque on oarapi, see text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_drmaa-c?rev=1373489712&do=diff Student: Iheb Khemissi Advisor: Olivier Richard Co-Advisor: Bruno Bzeznik ---------- Student: Things to do before starting * Play with OAR through live CD by example : live CD / virtual appliance * play with RESTfullAPI (we'll use oarapi) * Study DRMAA: reference site * Documents (have particulary interest to GDF 133, GDF 130 and GDF 117) text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_fault_tolerance?rev=1373489712&do=diff See original proposal here Student, please read carefully this page... Student: Joris Bremond Mentor: Joseph Emeras Co-Mentor: Olivier Richard ---------- Student: Things to do before starting * get an account on grid5000: <https://www.grid5000.fr/mediawiki/index.php/Grid5000:Get_an_account> * get a svn account on the inria gforge: text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_kameleon?rev=1373489712&do=diff This is the Kameleon GSOC 2009 page. Also check the main page here: <http://wiki-oar.imag.fr/index.php/Kameleon> See original proposal here Student, please read carefully this page... Student: Darko Ilic Mentor: Yiannis Georgiou Co-Mentors: Bruno Bzeznik, Yiannis Georgiou, Joseph Emeras ---------- Student: Things to do before starting text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_mentoring_startup?rev=1373489712&do=diff Procedures to begin with mentoring * Email on the oar-devel mailing list for details about the projects accepted on GSoC ...update the NEWS on the site as well... * Where will the students develop ...Grid5000 * Accounts opening SVN, WIKI, Grid5000 , OAR-dev or only blog for google text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_monitoring_and_reporting_for_greener_computing?rev=1373489712&do=diff See original proposal here Student, please read carefully this page... Student: Erick Meneses Mentor: Romain Cavagna Co-Mentors: Yiannis Georgiou, Joseph Emeras ---------- Student: Things to do before starting * <s> get an account on grid5000 : <https://www.grid5000.fr/mediawiki/index.php/Grid5000:Get_an_account> or if you already have one, ask to your mentor to extend your validity account </s> text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_accounting?rev=1373489712&do=diff Accounting engine and interface Engine part The main part of the project is centered on the monitoring/reporting of the cluster for the needs of administrators and users. <br> In fact in the project we will have go beyond monitoring/reporting for energy consumption. We want to treat cases like monitoring of memory usage or network communication performance for specific jobs or users for specific time periods. We could then want to be able to provide specific accounting and even invoicing (fact… text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_appliances?rev=1373489712&do=diff Background Virtual hosts or live devices (USB sticks, CDROM) are a convenient way of testing, evaluating, developing or even deploying a software. In the past, OAR had a live CD which offered a pre-configured debian system embedding a pre-configured OAR server with fake nodes to ease the testing of a new release. As we had to often re-build this live CD, for each minor version of OAR, we made a script to construct it from scratch each time. But this script was difficult to maintain and was very… text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_cigri_scheduler?rev=1373489712&do=diff Advanced scheduler for the CiGri grid Introduction CiGri is a free software allowing to construct a computing grid which exploits idle processor cycles of a supercomputers group. CiGri is a lightweight grid which manages only “bag-of-tasks” applications that generaly result in a big number (>100000) of independant and idempotent sub-tasks. Running such applications at the grid level optimizes the load of supercomputers in a middle sized HPC center. Such a grid is running over HPC hosts of the … text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_computemode_ng?rev=1373489712&do=diff {| ComputeMode and OAR are brother and sister: Beside using OAR as one of its core components, ComputeMode indeed shares the same origin as OAR, at Grenoble's ID-IMAG laboratory. ComputeMode and OAR are both developed and maintained by the same team today. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_drmaa_interoperability?rev=1373489712&do=diff Interoperability with DRMAA In the High Performance Computing and Cluster context, several research groups put forward tools for managing cluster resources distributed jobs. Some efforts have been recently made by the “OGF group”:<http://www.ogf.org> to merge research results and standardize grid software interoperability. Among this standards, text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_fault_tolerance?rev=1373489712&do=diff Fault Tolerance We would like to make OAR fault tolerant. For implanting such a solution, two nerve centers have to be taken in account and be reinforced: * the database * the OAR server One part of the solution could be to set a monitoring system between the OAR server and an other spare server (by heartbeat system or any other watch method, see text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_glite_adapter?rev=1373489712&do=diff Glite Adapter Glite is the middleware use in EGEE (European Grid). We wish to develop a Glite adapter for OAR. To do this several softwares (bash script and parser) must be develop and integrated in CREAM module. CREAM is a Glite module is in charge of job execution and interaction with batch scheduler (see references for more details). text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_installation_wizard?rev=1373489712&do=diff The goal of this project is to develop wizard tools to facilitate the administration of OAR. We need to provide both terminal-based and web-based wizards. These could be separated into several parts: * Configuration of each OAR component: most of the configuration parameters are stored in the file oar.conf and/or in the oar database. These parameters need to be configured just after the installation. Currently, it is possible to edit the oar.conf file and update the settings in the database … text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_kameleon_recipes?rev=1373489712&do=diff Kameleon recipes During the 2009 edition of Google Summer of Code, a tool to generate appliances have been created: Kameleon. We currently have some basic recipes to build debian appliances but we need more of them, for other distributions and more complex. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_monitoring_and_reporting?rev=1373489712&do=diff Cluster Monitoring/Reporting for a greener computing -- Validation/configuration on Grid5000 This project will be based upon the work done on the GSOC 2008 Energy Saving project [1]. The current energy saving module consists of: * A Prediction based energy efficient scheduling which manages the under-utilization periods of a cluster by shutting down (or suspending) computing nodes. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_node_resource_isolation?rev=1373489712&do=diff The goal of this project is to develop upon OAR a mechanism for task confinement / isolation and task binding upon the resources of a node based upon cgroups (control groups) which is a (recently appeared) Linux kernel feature [1,2,3]. Background The emergence of multicore architectures that introduced new levels of hierarchies inside the node arose the need for methods of job confinement upon specific allocated resources in a single node. Indeed, multiple users can find themselves working on … text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_notifications?rev=1373489712&do=diff Notifications module OAR is able to send notifications on some events, to the administrator in case of problems, or to the users to notify the start or the end of a job. Those notifications are currently sent by e-mail only. This is not the more efficient way since notifications can generate a lot of email traffic. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_oar_livecd?rev=1373489712&do=diff Kameleon: OAR LiveCD and Appliances We want to have a tool (that will be called Kameleon) whose purpose is to generate OAR appliances or iso image. From now, we already have a script that creates a LiveCD from the debian packages. The student will start from this script will and enhance it: text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_oaradmin_api?rev=1373489712&do=diff Oaradmin API 2 years ago, a tool named oaradmin has been developed to ease the initial creation of OAR resources and to manage admission rules. We also wanted this tool to offer a configuration wizard but this part has never been coded. Oaradmin is written in Ruby. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_performance_evaluation_in_virtual_environment?rev=1373489712&do=diff The project In the area of High Performance Computing (HPC) the evaluation of a Resource Management System (RMS) is a very complex task. A known idea is to take advantage of workload traces and provide a platform to replay past scenarios using different scheduling strategies, features and even different RMS software etc. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_scheduling?rev=1373489712&do=diff The goal of this project is to extend the current scheduling capabilities of OAR Resource and Job Management System (RJMS). In more particular we want to have two new scheduling policies implemented: Preemption and Gang Scheduling Background The part of the RJMS which hides all the intelligence of the system is the scheduler. Its main role is to assign jobs according to the users needs and predefined rules and policies, upon available computational resources that match with the demands. A typi… text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_template?rev=1373489712&do=diff GSoC proposal Template This is a suggestion for the kind of information we'll find useful from students on their project proposal. * Name * Email: your google email * Background: technical and programming experience and skills. Who are you? What makes you the best person to work on this project? text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_test_infrastructure?rev=1373489712&do=diff Tests infrastructure with Simulation and Emulation In the area of High Performance Computing HPC the evaluation of a Resource Management System RMS is a very complex task. A known idea is to take advantage of workload traces and provide a platform to replay past scenarios using different scheduling strategies, features and even different RMS software etc. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_test_suite?rev=1373489712&do=diff OAR TestSuite A Suite of tests is needed to verify that the installation was successful and that the system works correctly. These tests will also be used as non-regression tests. * Installation verification tests: User should provide some descriptive values for the cluster and its function (number of nodes/cpus/cores used, jobs submitted, etc) and the program(OAR Test Suite) should execute tests for the given values. text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_web_portal_smartphone?rev=1373489712&do=diff The counter part of Web Portal proposal for Tablet and SmartPhone. See Web Portal proposal for the context. We will use: Sencha Touch technologie Difficulty Medium to High Skills * Web Portal Architecture and REST architecture * Javascript library practice * text/html 2013-07-10T20:55:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc_proposal_web_portal?rev=1373489712&do=diff The goal of this project is to provide a high quality web portal for OAR. A web portal is an important feature to help users to get used with sophisticated supercomputing infrastructures, by hiding from them the complexities of the computational environment. Also, it helps administrators to simplify simple tasks on resources. text/html 2013-07-10T21:14:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:gsoc?rev=1373490871&do=diff This page lists OAR's Google Summer of Code pages. * GSoC 2008 * GSoC 2008 application questions * GSoC 2009 * GSoC 2009 application questions and further * GSoC 2010 * GSoC 2010 web portal * GSoC 2011 text/html 2013-07-10T20:16:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:idhal?rev=1373487388&do=diff Mechanism Secured update procedure At the very first boot, a virtual node gets the server GPG public key and never get it again. Then, periodically (at boot and from cron), the virtual node makes an http query to get an update script from the server. The server signs it and the node checks the signature of the script before executing it locally: text/html 2013-07-10T08:49:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:job_resource_manager_2_memory_banks.pl?rev=1373446149&do=diff # $Id: job_resource_manager.pl 1648 2008-09-17 16:00:56Z neyron $ # # The job_resource_manager script is a perl script that oar server deploys on nodes # to manage cpusets, users, job keys, ... # # Usage: … text/html 2013-07-10T21:06:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:kameleon?rev=1373490397&do=diff Yet another tool to build VM images! Kameleon is a very simple tool to create appliances, vm or cd images, or what you want... Actually, it is a bash script generator using YAML as an imput format. But it has been designed mainly to create initial images from scratch as we haven't found a tool for doing this and only this, for whatever linux distribution and without a client/server architecture, without features to maintain a living system or other text/html 2013-07-10T20:55:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:live_cd_virtual_appliance?rev=1373489756&do=diff This page is going to be obsoleted by Kameleon 300px| How it is made A script make-debian-live-cd.sh'' in the root directory of the svn oar repository is available to quickly make a live system iso image from freshly built packages. For the moment, it makes a Debian system using a base image (automaticaly downloaded from the oar website) and the debian packages found in your <code class="file">./build-area'' directory. But it's an idea of what should be a smarter script making a live image … text/html 2013-07-10T20:08:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:restfullapi?rev=1373486931&do=diff [admin] In the next 2.4 release, OAR and OARGRID are offering a RESTful API based on a common oar_apilib. It is not well optimized for the moment as some queries are simple wrappers to the oar command line tools. But it is intended to become an important aspect of the project bringing new possibilities for the development of user interfaces, job scripts or communication with other systems like grid middlewares. text/html 2013-07-10T21:24:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:start?rev=1373491482&do=diff This namespace contains pages imported from the old OAR wiki: <http://wiki-oar.imag.fr> (Mediawiki). This is a work in progress. Wanted pages Orphans pages text/html 2013-07-10T18:53:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:web_portal_2012?rev=1373482432&do=diff This page gathers progress works lead during Q1 and Q2 2012 to develop generic web portal for OAR eco-system. See Web Portal proposal for the context. Participants * Benjamin Galaud: Projet M1 WIC * Olivier Richard ExtJS 3 Prototype version * KVM image: text/html 2013-07-10T19:37:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://oar.imag.fr/wiki:old:web_portal?rev=1373485063&do=diff This page centralizes the efforts to provide to OAR and software companions (mainly CiGri and ComputeMode) a modern Web Portal to simplify commons interaction operations. The related wiki pages are following: * GSoC Proposal Web Portal * GSoC Proposal Web Portal SmartPhone * GSoC 2010 Web Portal * Web Portal 2012 The actual_Proposal status is that a prototype has been developed during a