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DFOS Tutorial: Calibration Memory and Daily Operations

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Learn about calibration memory management, daily operational procedures, automated tasks, and sequential data processing in the DFOS system. Get insights into file organization, calibration equivalents, and maintenance practices.

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DFOS Tutorial: Calibration Memory and Daily Operations

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  1. dfos: tutorial www.eso.org/~qc/dfos/ • Lesson 1: • dfos - vision and architecture • Directory structure • Installation • Tips and tricks • Lesson 2: • Association • Lesson 3: • Operations

  2. The calibration memory Three memory files under $DFO_MON_DIR: • raw_list: all raw files per <date>; created from scratch by createAB • mcalib_list: all *real* mcalib files (final names, final place) • ‘calib memory’ part I • day range: • starting with <date> • N days backwards (N_MCAL_LIST: ‘depth’ of calib memory) • created by listMcalib (usually as part of moveProducts) • vcalib_list: all *virtual* mcalib files (predicted names) • ‘calib memory’ part II • depth: N(VCAL_LIST); dynamically shifted by createAB/updateAB all filled by fitsreport -c fitsreport_assoclists.cfg

  3. The calibration memory Equivalents: • your $DFO_CAL_DIR branch (content controlled by mcalib_list) <=> master calibration database • raw_list + mcalib_list <=> OST • vcalib_list: no equivalent! Maintenance: • Self-maintained (createAB/updateAB) • need management only if you jump in time • user-control possible through listMcalib

  4. Finding calibrations • Sequential creation: only after day 3 all vcalibs known • Duplicate creation: all vcalibs known to all days!

  5. Missing calibrations • Still missing mcalibs? • increase N_MCAL_LIST, run listMcalib -> scan older dates • Still missing? • well, wait or call Paranal ... • Headers: will tell you if missing calibs have been measured recently, but generally don’t solve the problem

  6. Daily operations: simple scheme 1. Pre-processing: daily, cronjob • download headers • create Report • … 7-10 days later: • Download fits files • check completeness • incomplete: wait • complete: createAB [dataclient -t h -d 2005-01-02] [createReport -d 2005-01-02] [dataclient -t r -d 2005-01-02] [checkdownloads -d 2005-01-02] [createAB -m CALIB -d 2005-01-02]

  7. Daily operations: simple scheme 2. Processing • createJob • execute jobs file • measureQuality • certifyProducts 3. Post-processing • moveProducts 4. Pre-processing, processing (SCI) 5. Post-processing SCIENCE / ALL • moveProducts -m SCIENCE • updateDP • finishNight [createJob -m CALIB -d 2005-01-02] [JOBS_NIGHT] [measureQ. -m CALIB -d 2005-01-02] [certifyP. -m CALIB -d 2005-01-02] [moveProd. -m CALIB -d 2005-01-02] [createAB-> certifyP. -m SCIENCE …] [moveP. -m SCIENCE -d 2005-01-02] [updateDP -d 2005-01-02] [finishNight -d 2005-01-02]

  8. Daily operations: simple scheme CALIB SCIENCE Simplified:

  9. Daily operations: simple scheme • Process one Paranal day: • low load … takes one DFO day • heavy load … takes three DFO days

  10. Daily operations: optimized scheme • Parts to be automated (cronjob: dfosCron): • header download • createReport • Data downloads: • dvdMonitor • fits download (bulk) • checkCompleteness • results in typically three complete plus one incomplete day (for continuous data acquisition)

  11. Daily operations: optimized scheme Twice a week: burst of new data; process three days in a bulk:

  12. Sequences • Commands come in sequences (command groups which can be executed sequentially, interrupted by decisions or actions) • [check “sequences” for details] • seq1: dataclient (headers) + createReport • seq2: dataclient (fits) • seq3: checkCompleteness • seq4: createAB + createJob • seq5: processAB + measureQuality • seq6: certifyProducts + moveProducts • seq7: updateDP + finishNight

  13. dfoMonitor • Follows sequences • knows about status of sequences • monitor plus active GUI • links to related information

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