Meeting of SAGA-CORE-WG at GGF17 2nd meeting, may 12, 11:00 - 12:30 Session chaired by Andre Merzky Notes taken by Shantenu Jha, Andre Merzky, Thilo Kielmann Agenda: - agenda bashing - update on implementations - bulk operations (Stephan Hirmer) - issues from the issue list - document editing business - GridCPR update on implementations ------------------------- - DEISA, nothing new (files+jobs working and stable) - OMII, (Java) great progress, good feedback, following spec changes available on their website Java bindings would need external cross-check from a Java expert Ed checks if this can be done at LSU - SAGA-A (C++), added RPC subsystem, added adoptors, almost complete/done for Windows and Linux, GT4 adaptors SAGA-A is available from the saga cvs via anonymous cvs checkout Boost licence (GPL) Windows and Linux Both Windows and Linux versions are available LSU/CCT cvs bulk operations (talk by Stephan Hirmer) ---------------------------------------- Stephan reports on his work at LSU, implementing bulk operations within SAGA-A. searching for "similar" tasks inside a task container that can be run as a single bulk operation first tests show promising speedups -> fesibility of bulk ops issues: should task_container be derived from task (grouping of tasks)? should templates be allowed in API classes? Implementor's note - Templates would be useful issues from the issue list -------------------------- 136 - Errors & task_container motivation seems to come from workflows no use-cases for workflow, hence leave at status quo 137 tasks survive app life time? problem: do (web) service invocation that outlives app. runtime (like long running file transfers) tricky between tasks (threads/asynchrony) and jobs (remote user programs) defer beyond saga 1.0, not yet well understood to implement problem: what to do with pending tasks at app. end ?? -> undefined in standard w.r.t. implementation document editing business ------------------------- people willing to proofread parts of the SAGA spec: Derek Simmel reviews files and jobs Yusuke reviews task model Pascal streaming, logical files until end of May cook book: need examples, implementors, into the Wiki language bindings: c++ as headers java as interfaces + javadoc GridCPR ------- a separate design team will propose a subsystem based on Derek's proposal At 12:35, the session is closed.