DIET A Scalable Platform for Clusters, Grids and Clouds
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1 DIET A Scalable Platform for Clusters, Grids and Clouds Eddy Caron, Frédéric Desprez INRIA LIP ENS Lyon Avalon Research Team Benjamin Depardon SysFera Joint work with A. Muresan, J. Rouzaud-Cornabas (LIP ENS Lyon) H. Guemard, O. Mornard (SysFera)
2 Introduction Transparency and simplicity represent the holy grail for Grids and Clouds (maybe even before performance)! Utility computing (Almost) everything as a service Scheduling tunability to take into account the characteristics of specific application classes Large scope of applications ready (and not only number crunching ones!) Heterogeneity of jobs executed and data managed Many incarnations of distributed platforms (peer-to-peer systems, clusters, clusters of clusters, grids, Clouds, ) Many research projects around the world Significant technology base Many platforms available Do not forget good ol time research on scheduling and distributed systems! - Most scheduling problems are very difficult to solve even in their simplistic form - but simple solutions often lead to better performance results in real life F. Desprez - ISC Cloud 25/09/2012-2
3 Avalon and SysFera Avalon Research team from Inria (with CNRS, ENS Lyon, University of Lyon). Led by Christian Perez, located at LIP/ENS Lyon. Goals: contribute to the design of programming models supporting various kinds of architecture, to implement them by mastering the various algorithmic issues involved, and by studying the impact on application-level algorithms. Research areas: distributed algorithms, programming models, service deployment, service discovery, service composition and orchestration, large-scale data management, etc. Validation using applications from different fields of science such as bioinformatics, physics, cosmology, etc., over Grid'5000 SysFera Company co-founded by D. Loureiro, E. Caron, F. Desprez, and IT Translation Spin-off of Inria, led by David Loureiro. Goals: Industrialize the DIET software and expand upon it to provide advanced features. Use the accumulated experience and expertise to help software editors move to a SaaS/Cloud business model Areas of expertise: distributed computing, clusters, grids, HPC, Clouds, SaaS, PaaS, Big Data Validation in production environments for large companies and SMBs in various domains: energy, linguistics, video games, bioinformatics, cosmology, meteorology, and so on. F. Desprez - ISC Cloud 25/09/2012-3
4 DIET s Goals Distributed Interactive Engineering Toolbox Our goals - To develop a toolbox for the deployment of environments using the Software as a Service (SaaS) paradigm with different applications - Over clusters, clusters of clusters, grids and Clouds - Use as much as possible public domain and standard software - To obtain a high performance and scalable environment - Implement and validate our more theoretical results Several applications in different fields - simulation, bioinformatics, robotics, Release available on the web since July 2012 ACI Grid ASP, RNTL GASP, ANR LEGO CIGC-05-11, ANR Gwendia, Celtic-plus Project SEED4C DIET client DIET agents MasterAgents, LocalAgents DIET server ServerDeamon (SeD) Client layer Scheduling layer Service layer F. Desprez - ISC Cloud 25/09/2012-4
5 DIET Architecture overview Context : Development of a toolbox for deploying applications over various platforms with a hierarchical architecture for an improved scalability Distributed scheduler (MA, LA) Servers (SeD) Validation: Large validation over Grid DIET production used-case The Decrypthon project DIET was selected by IBM Transfered in a Start up company SysFera (created in March 2010). Main research issues: scheduling, heterogeneity, automatic deployment, interoperability, high performance data transfer and management, monitoring, fault tolerance, genericity of solutions for various applications, static and dynamic analysis of performance, F. Desprez - ISC Cloud 25/09/2012-5
6 Data Management DAGDA (Data Arrangement for Grid and Distributed Applications) Joining task scheduling and data management Standardized through GridRPC OGF WG. Explicit data replication - Using the API Implicit data replication Data replacement algorithm - LRU, LFU AND FIFO Transfer optimization by selecting the more convenient source Storage resources usage management Data status backup/restoration Join work with Gaël LeMahec (UPJV/MIS) F. Desprez - ISC Cloud 25/09/2012-6
7 Parallel and batch submissions Parallel & sequential jobs - transparent for the user - system dependent submission MA SeDBatch - Many batch systems - Batch schedulers behaviour - Internal scheduling process Monitoring & Performance prediction Simulation OAR LA SeD SeD // NFS SLURM SeD Batch PBS SGE Loadleveler LSF F. Desprez - ISC Cloud 25/09/2012-7
8 Workflow representation Direct Acyclic Graph (DAG) - Each vertex is a task - Each directed edge represents communication between tasks Goals Build and execute workflows Use different heuristics to solve scheduling problems Extensibility to address multi-workflows submission and large grid platform Manage heterogeneity and variability of environment Idle time Data transfert Execution time ANR EGI (Glite) Gwendia s s s Language definition (MOTEUR & MADAG) Grid 5000 (DIET) 0.214s s s Comparison on Grid 5000 vs EGI F. Desprez - ISC Cloud 25/09/2012 8
9 DIET Cloud: First Prototype Inside the Cloud DIET platform is virtualized inside the cloud. (as Xen image for example) Very flexible and scalable as DIET nodes can be launched Scheduling is more complex DIET as a Cloud manager Eucalyptus interface Eucalyptus is treated as a new Batch System Provide a new implementation for the BatchSystem abstract class F. Desprez - ISC Cloud 25/09/2012-9
10 DIET Cloud: Architecture Next Generation Many prerequisites available in DIET service calls, scalable scheduling data management. Multi-cloud infrastructures manager SeD Cloud deals with a large number of Cloud IaaS using an API as δ-cloud, OCCI, OpenStack, etc. DIET as Virtual Machines manager using the IaaS skills DIET SeD Cloud bootstraps a Cloud instance (VM launching) Application Deployment External tools Puppet, chef, etc. Elastic architecture Allows each DIET SeD Cloud to expand or reduces the number of compute resource. F. Desprez - ISC Cloud 25/09/
11 DIET Cloud: Workflow on Cloud using Nimbus Nimbus low-level IaaS provider open-source IaaS provider provides low-level resources (VMs) compatible with the Amazon EC2 used a FutureGrid install Phantom high-level resource provider auto-scaling and high availability provider high-level resource provider subset of the Amazon auto-scale service part of the Nimbus platform DIET MADag the workflow engine one service implementation per task each service launches its afferent task supports DAG, PTG and functional workflows Client submitting a workflow?23@!1,-./0,1! A2B25C2!-2:90D! "#$%!&'("()*! +,-./0,1!234532! HIG3D,7! :2-C5B2!!"#$%&'(&')'*+', &'+-$&"'+, 65789:!?B523D5:D! ;' <!?2"!)-G/5B<!!! HIG3D,7! /-,3D23@!?2"!AG7:2:!! HIG3D,7! /-,3D23@! J!J!J! ;' =! ;' >!.*/*0',!$1-+"*)%/0,2&-$3+, ;' 3! "2E0,F!1,-./0,1!DG:.:! F. Desprez - ISC Cloud 25/09/ !
12 SysFera-DS overview End-User End-User End-User End-User CLI - C/C++ - Python - WS Users - Tasks - Workflows - Data - Info Workstations Data centers Servers Clusters or Private/public supercomputers Clouds F. Desprez - ISC Cloud 25/09/
13 SysFera-DS: Functionalities Web interface User and Admin Interfaces Web services C C++ CLI Python Security Data Management Workflow Engine Task Management File Management Hierarchy of Schedulers FIFO Green Cloud Appli1 Appli2... Persistence Implicit/Explicit Replication LRMS Monitoring SLURM SGE LoadLeveler OAR... Cloud Interface User Management Computing Resources Storage Cloud Resources External Storage Local Storage Cloud Storage F. Desprez - ISC Cloud 25/09/
14 Seed4C: Secure embedded element and data protection Seed4C goal: Guarantee end-to-end security of service Can we get a seed to build trusted Clouds? Up to 80% of problems can be solved with a protected execution and a proper policy enforcement A TCB (Trusted Control Plane) within the network: the seed Smart deployment of SEEDs SEED load balancing Pre-provisioning of security credentials "#$"%&$'%!"#$#%&''( '%)*&+*'%)(,'-"$.&/( SEED form factors and management +0(,'$1.-'2( Dynamic association with applications/services Hardware / Software / dedicated VMs / OS component? SEED 4C SEED 4C Alcatel Lucent / INRIA / MPY F. Desprez - ISC Cloud 25/09/
15 One Seed4C Use Case: HPC Added value of Network of secure elements (NoSE) Generation and protection of secrets (Key) in network protocols SPS DIET OSPF, SMTP, S-BGP, Secure BGP Execution of sensible code Policy verification Bootstrap isolation Assurance CM CM P sou rce Re s bus sou rce SPS Certification of host characteristics MAC address Location VM bootstrap on server side Re Nim SPS Validation of host characteristics P Op enn ebu la s CMP: Cloud Management Platform SPS: Secure Provisioning and Scheduling Design of new elements to interface NoSE and Cloud software SPS: Secure Provisioning and Scheduling Alcatel Lucent / INRIA / MPY F. Desprez - ISC Cloud 25/09/
16 Techlimed Linguistic as a Service (LaaS) Arabic language processing Web indexation Text mining Sentiment analysis Search engine Automatic analysis Lots of computations 3 processes: analyzer, segmenter and partofspeech Agglutination: elements added to a word A picture The picture And the picture Is it a picture His picture Is it his a picture Vowel addition/deletion How it is written: How it is read: F. Desprez - ISC Cloud 25/09/
17 Techlimed OVH/Amazon EC2 solution Workflow distributed between OVH servers and Amazon EC2 Monitoring system Management scripts Debian repository Startup 1. Init from standard AMI 2. Install softs from Debian repo on OVH 3. Configure softs & environment 4. Connect SeD to MA 5. Connect Ganglia daemon SeD OmniNames Arabic language analysis... MADAG MA SeD SeD Termination 1. Disconnect SeD 2. Wait for jobs termination or timeout 3. Terminate instance Arabic language analysis Arabic language analysis Fixed OVH resources On-demand resources F. Desprez - ISC Cloud 25/09/
18 SOP: Think global Services for personal computer SOP project (ANR-11-INFR-001) - Network connection + machine + software package - No maintenance for users (latest functionalities, no virus) - Always best performance - Transparent reconfiguration - Not limited by users' hardware - Shared resources - Cloud resources - Data centers - Try to save energy while providing good QoS Provide a distributed infrastructure to provide end-users with a seamless access to computational resources F. Desprez - ISC Cloud 25/09/
19 Grid 5000 One original vision - Being able to perform experiments at every level of a grid or cloud software stack with the possibility of reproducing the experimental conditions isolate the experiments between each other to get a good flexibility to understand what is going on inside the platform to inject experimental conditions (faults, external load) An instrument for Computer Science 10 sites in France connected through Renater with more than cores Sites in Luxemburgh and Brazil A example (FutureGrid in the USA) One of the first IaaS Clouds Grid Application Grid Middleware OS ( ) Grid BIOS F. Desprez - ISC Cloud 25/09/
20 Conclusion and Future Work Going from a research prototype to a production software Development between the Avalon research team and SysFera Flexible approach for Clusters, Grids, and Clouds Research issues currently addressed Semi-static scheduling of dynamic workflows over Clouds Elastic scheduling of resources Multi-criteria scheduling (cost and performance) Joint scheduling of requests and data management services SLA MapReduce-like applications scheduling Schedulers for different classes of applications Automatic deployment of new applications Elastic management of the middleware itself Still validated over Grid 5000 with various applications F. Desprez - ISC Cloud 25/09/
21 F. Desprez, E. Caron Avalon Team, LIP ENS Lyon F. Veillet, B. Depardon SysFera
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