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The ALMA Online Control Software: An Overview and Ways to
Improve Data Quality
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Bird’s Eye View
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In More Detail
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DC, TelCal & QuickLook
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DataCapturer
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Archive and Relational Database
ARCHIVE: xml store, binary store Relational database: state
database, scheduling working database (swdb), asdm database
Users: pipeline, OT, WebAQUA, anyone retrieving an asdm
Users: Scheduling, QuickLook, WebAQUA
Pros: Can hold large amounts of data Pros: Query-able, lots of
configuration options, lots of performance tools
Cons: Not query-able Cons: relies on Oracle, possible
performance issues with large databases
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QuickLook
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Scheduling
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SubmissionPhase I
GeneratedSBs
ARPC Meeting
OBSERVED!
Phase IIGenerated
SBs
P2G
Simulation
Simulation
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Scheduling
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ARCHIVExml store
StateArchive
SchedulingWorking
Database(SWDB)
SchedulingUpdater
SchedulingData
Model(APDM)
DynamicScheduling
Algorithm (DSA)Scheduling
Panel
ReadyRunningSuspended
ScienceCSVCal
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Scheduling
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Software branches
● Trunk: development● Release branch: “staging area” prior to
branching● Major releases:
– 2014.6 (Cycle 3)– 2015.8 (Cycle 4)
● Minor releases: (incremental testing)– 2014.4 (subarrays)–
2015.6 (new python version)
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Testing Cycle
● Phase A: testing by us– Modular tests– Jenkins– TFINT
● Phase B: “Verification” by Software Operations● Phase C:
“Validation” by EOC/Scientists
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Jenkins
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Release Cycle
Cycle311/04/14: Requirements deadline
12/01/14 – 12/14/14: Implementation Phase
12/15/14 – 01/30/15: Verification Phase
02/17/15: Delivery
Cycle 410/30/15: Requirements deadline
11/30/15 – 12/14/15: Implementation Phase
12/14/15 – 01/22/16: Verification Phase
01/27/16:
Deliveryhttps://ictwiki.alma.cl/twiki/bin/view/IRM/ReleasesPlanning
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Telescope Meta Data
ObservedPassed
9/18/15R. Rosen
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Telescope Meta Data
9/18/15
Syscal TimesCSV-2555FixplanetNull StateIDInvalid UIDSyscal
Missing AntennaTsys Error
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Future Projects
● Short term– QA0 flags– QuickLook
● Middle term– Porting to 64 bit– WebAQUA
● Long term– Migrate to relational database
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Control Team● Ralph Marson (Control lead): ObservingModes,
Devices,
everything else● Patrick Brandt: Total power processor,
hardware● Alexis Tejeda: Scheduling, TMCDB● Rachel Rosen:
DataCapturer, QuickLook, Scheduling● Rodrigo Amestica: Correlator●
J. Perez: Correlator
● Jorge Avarias: Scheduling (through 01/01/16)● Rafael Hiriart:
TMCDB, Pipeline (through 01/01/16)
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Paths for Improvement
● Communication directly with software team● Advocate for
changes in the policies
– Relational database– Continuous development and deployment
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