Attendees: Russell, Nicole, Ani, Maria, Sergei, Kem, Jacek


Intro: logging to lsst EA server, "get all latest"...


UML - skunk meeting
===================

Primary focus on usecase (see in EA):

 use cases --> app --> image processing
    --> process pixels --> select and apply flatfield


Explained the new model: processing stages, processing slices.

See in EA:
  use cases --> middleware --> Pipeline Execution
       --> Processing Step Sandbox
 (including the diagrams inside)


See reworked flatfield use case:

  use cases --> app --> image processing
      --> process pixels sandbox --> process pixels diagram


Explained:
 - use case generalization
 - issue of synchronization between Processing Stages
 - need to clean up the whole model


Skunk work: planning to work on second use case (name...?)
which will touch much more on database/ingest aspects

 - planning to hijack next DataAccess, Database and Data Mgmt
  telecons to finish skunk work

 - goal: to identify interfaces (under Middleware API)


UML - Data Ingest
=================

Reworking Catalog Data Ingest at Base Camp use case
 - work started after the skunk meeting (last 2 1/2 days)
 - based on what was discussed at the skunk meeting
   (Slices, Stages, policy files) and the original use case
   we had in uml

 - 2 sections:
   a) Data Ingest Converter (3 use cases, planning to introduce
      one higher level for all 3, EA permission issues)
   b) Ingest Service

 - changes relative to the old use case
    - introduced temp table to verify if data 'sane'
    - introduced process that verifies if table not locked
      by readers for too long
    - linked start/shutdown with Slices/Pipeline execution
    - added configurations through Policies


 - have robustness diagrams
 - have some sequence diagrams, but still rusty
 - have interface objects with attributes and functions
   under Middleware API
 - need to finish sequence diagrams, clean up, de-bug


Look at
 - use cases - middleware - data ingest - new_...
and
 - logical view - domain model - middleware api


For Tables (Ingest and Temp) see their properties - links,
do not have functions/attributes (yet), not sure how to model




schema
=======

 - Jim Gray tried to port Sergei's schema to sql server,
   after fixing a couple of problems it is working now

 - replaced geometry types with HTM
   - Jim's version does not have geometry package
   - temporary solution

 - Sergei needs to rename tables (add "Provenance" word)

 - then ready to put in EA
    - Sergei/Kem don't have full EA (due to budget constraints)
    - Nicole will try to insert Sergei's schema into EA


AOB
===

Not sure when the next telecon is, might need to use
our slot for Skunk-meeting discussions

Jacek




Becla, Jacek wrote:
Keywords: DataAccWG

Hi,

Reminder: we have the Database telecon
tomorrow (Wednesday) at 11:00 PST.

Phone number: 866 330 1200
passcode: 300 2363

Agenda:
  - schema
  - UML: Catalog Ingest at Base Camp

Jacek

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