EGEE is a project funded by the European Union under contract IST-2003-508833 R-GMA: Status and Plans Antony Wilson / RAL GridPP 12 - Brunel www.eu-egee.org.

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Presentation transcript:

EGEE is a project funded by the European Union under contract IST R-GMA: Status and Plans Antony Wilson / RAL GridPP 12 - Brunel

Information Services in EGEE, 31 January Whats the talk about? Past - Recent Activities Present - R-GMA for GLite Release 1 Future - RGMA developments

Information Services in EGEE, 31 January Recent Activities Apel used for accounting in LCG New API Grid Journal Paper accepted EGC2005 poster accepted Bug-fix release for LCG

Information Services in EGEE, 31 January R-GMA LCG Bug-fix Release Registry replication Each instance is master of its own data Checksums to support self healing Can adjust the frequency of updates Need to discover the optimum number of instances Provides: Removal of single point of failure Better performance Simpler API – matching the next (WS) release Provides smooth transition between old API and WS A lot of work has gone into avoiding problems caused by poorly configured networks, firewalls, MySQL corruptions etc – i.e. coping with life on the Grid Some predefined indices for performance Expect release to be rolled out around end of February

Information Services in EGEE, 31 January Deployment in LCG 105 sites on LCG R-GMA working sites at 40 sites 26 sites failing GOC R-GMA tests Configuration script not run Firewalls blocked All working UK sites are passing the GOC R-GMA tests

Information Services in EGEE, 31 January R-GMA for GLite Release 1 Very similar to LCG release Based on old API with wrappers Authentication

Information Services in EGEE, 31 January Service Discovery API using R-GMA Prototype available with GLite Release 1 Java and C In development May provide a service rather than just API (wrapper) API being discussed with PPDG Hope to agree on common API User guide

Information Services in EGEE, 31 January R-GMA Information Buyer WMS information supermarket R-GMA information buyer

Information Services in EGEE, 31 January Towards Web Services Web Service version Version with pre-WS functionality almost ready Design documentation and review

Information Services in EGEE, 31 January RGMA developments File (as well as memory and RDBMS) based Producers Native python interface Portable i.e. no swig dependency Fine grained authorization Will use parameterised views to control: Who can publish Who can read Who can create table Who can drop table etc.

Information Services in EGEE, 31 January RGMA developments Schema replication Eliminates remaining single point of failure Novel algorithm No master Allows reuse of table names

Information Services in EGEE, 31 January Standards OASIS WSN Will WSN be useful for R-GMA and INFOD Abdeslem Djaoui GGF INFOD-WG R-GMA and INFOD-WG Steve Fisher and Abdeslem Djaoui GGF OGSA-WG GMA (hence R-GMA) in OGSA Abdeslem Djaoui

Information Services in EGEE, 31 January Further Information JRA1-UK web site