--------------------------------------------------------------------- Peter Kunszt Kalman Kovari ===================================== 1) The examples are sometimes more misleading than useful... -> why? -> DONE ANDRE: clearify, discuss on list 2) The error handling and error semantics are not defined well enough. This is essential in order to assure proper interoperability. -> compile list of error codes, check for consistency -> TODO TOM: create proposal for procedural and OO 3) There is a lack of structure in terms of interface layering. High level interfaces (like JobManagement) and low level interfaces (like Stream) are not distinguished, motivated, or put into context. E.g. why is there a need of a networkstream-level interface for a grid application? -> intentional, see use cases! -> DONE ANDRE: CLEARIFY in intro 4) Example (P18): OO structured, not like the iface. (eg. i = dir.getNumEntries() instead of dir.getNumEntries(a) ? ) -> DONE ANDRE: cleanup, also session handle etc. 5) Example (P29): an exact copy of Ex. 1. -> check -> DONE ANDRE 6) Description - Streams (P62): close or destroyStream? maybe close, but not consistent. -> see Notes in Streams -> DONE ANDRE: use or so. - check SIDL ==> not specified in SIDL, proposal: use "CONSTRUCTOR" and "destructor" 7) General: sometimes bitwise OR-s are used for multiple options (Stream/ActivityType, P59), sometimes arrays of values (NameSpace/CopyFlags, P9). Why no convention? -> I agree, bitwise OR is simplier -> DONE ANDRE: check for languages, fix 8) Interface NSDir: what are the semantics of the copy method? of getName and getURL? -> ? -> DONE ANDRE: ask for clearification, sync with GFS Thorsten Sch"utt: ----------------- 9) isFile -> isEntry? -> should we revive NSEntry (more reasons?)? -> DONE ANDRE: ask mailing list - no feedback - I think we should, for clearer naming and structure. 10) SIDL docs on wiki! -> TODO TOM/JOHN 11) fix all examples in respect to session and context -> DONE ANDRE. Use a default session handle if none is specified -> examples are still valid :-D 12) flags -> DONE ANDRE: see above 13) Attribute -> AttributeSet -> TODO TOM: leave naming, but better describe idea Steven Newhouse: ---------------- 14) Inconsistent use of security! Its only in the stream section, nowhere else. "Not specifying a security system makes sense, but I think all of these methods should have a security token being passed into them or it should be an argument in the relevant object constructor." -> should be fixed by session and context -> DONE ANDRE 15) I assume the URL can support a number of protocols - http/https/file/gridftp. I see no way to register plugins in the interface (may be this is an 'internal' interface as opposed to a user funtion. Maybe there needs to be aet of interfaces to help the developers, e.g. register protocol plugins. -> plugin: implementation level -> url support: util class? any://? -> language specific -> need good error codes 16) State example language each time! Do examples in multiple languages! -> TODO: 17) How are you going to handle partial functionality implementations? Should _all_ operations support a NotImplementedException? Should there be a standard static method in each section to discover what is implemented? e.g. supported protocols & supported methods. - methods need ALL to be implemented. - protocols etc: hmmm... - discussed at GGF, DONE - was discussed at GGF... - there WILL be partial implementation, but they are not SAGA conform then. - necessary (session, context, ...) - sufficient (one other subsys) - CAN implement packages -> complete packages (partial compliant) - DONE ANDRE - should we allow query of implemented packages? - OPEN ISSUE 18) You have an 'LSF' schema for >>, >, < & <<. But in the file/directory area you use a series of attribute flags. I think you should carry these attribute flags forward into the job definition area - either way I think you should have one model not two! - DONE ANDRE: mark as known issue 19) I. General Model. Language mapping. Standard attribute model. Security. Tasks II. Tier 1 Interfaces. III. Tier 2 and above Interfaces. - II and III on same level! - DONE 20) What is to come in version 2? - steering and monitoring - possibly combining logical/physical files (read on logical files) - advert service - GridRPC - GridCPR - Task dependencies (simple work flows and batches) - extensions to existing classes - we have no explicit roadmap!! Others: ======= 21) 'The URL Problem' - should we approach it? - DONE ANDRE: - explain problem, leave it open - an implementation MAY be able to translate, or use any:// - MUST throw good exception otherwise 22) advert service -> easy: NS + Attribute + find on attribute! why not do it? DONE ANDRE: proposal to the mailing list. 23) find in name spaces? -> why not, at least for names!? But over attributes? What about query language then? DONE ANDRE: proposal to the mailing list. ---------------------------------------------------------------------- Andre: ====== 24) list only on dir - why not on file? 25) go from getSize to real stat 26) namespace ops on files - why not on wildcards? 27) should callbacks be introduced for some things? Best on tasks, but also for streams (is factory!) Necessary for monitoring/streaming, so best introduce in general... 28) integrate GridRPC / GridCPR / JSDL? What else? Use Cases?! 29) check if bulk operations can be done with task containers (explicit support needed/wanted for argument list generation?) 30) ACLs! 31) Authorization (call outs?) 32) task = ftf.read (1, buffer, &n); task.run (); When are 'n' and 'buffer' available? I would say after wait (state = finished or cancelled). Should we have a state 'failed'? For simplicity - otherwise you have to check every job which 'finish'ed if it actually finished successfully... (was discussion feedback at VU) 33) into intro: default is to define semantics everywhere. point out parts where semantics is up to the implementation GGF14: ====== 34) DONE SHANTENU: send UC doc to editors! TODO SHANTENU: follow up +-------------------------------------------------------------+ Phone calls: ============ 35) relation to OGSA into intro DONE ANDRE: 36) - example are not normative for language binding - state in intro DONE ANDRE - provide one examples in various languages - DONE ANDRE: C, C++, Perl, Java (DONE ROB) - TODO TOM: Fortran - TODO HARTMUT: Python 37) better state consistency model in intro: DONE ANDRE. +-------------------------------------------------------------+ Various: ======== 38) add myproxy context type DONE ANDRE 39) check Nathans CPR implementation DONE ANDRE 40) put JSDL, GridRPC etc specs onto WIKI TODO ANDRE 41) how to query LAST job state before STOPPED? History possible? how to query reason for job error condition? - ask list DONE CHRIS/ANDRE 42) job states: PRESTAGING POSTAGING - ask list DONE CHRIS 43) jobs: what about sandboxing? DONE ANDRE +-------------------------------------------------------------+ 44) email use case authors to map Strawman to Use Case, propose AG or conf call DONE ANDRE 45) map strawman to GridLab UC DONE ANDRE 46) add unix permission like ownership etc DONE ANDRE 47) check JSDL compliance TODO ANDRE 48) document realation of other GGF APIs and pieces TODO: ? 49) do a list of examples on the WIKI DONE ANDRE 50) a context should get added only once to a session. DONE ANDRE 51) wait on tasks: return immediatly if task is already done, only throw on cancelled (why even then?) DONE ANDRE 52) getContext --> listContexts (consistency) DONE ANDRE 53) getState on TaskContainer, giving vec of states? 54) link/copy/move/remove: default use pwd? if yes, what is state after move/remove? DONE ANDRE: don't allow (check POSIX) -> BadParameter DONE ANDRE: introduce stale handle exception 55) check strawman for references 56) cancel blocking? 57) saga::job self = getSelf (); ?