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The following are the official release notes for the MWA ASVO. Changes/fixes are tagged with:

  • WEB This item relates to the front end web site of the MWA ASVO and the associated VO TAP service.
  • CLIENT This item relates to the python API and command line client of the MWA ASVO (manta-ray-client).
  • BACKEND This item relates to the server back-end of the MWA ASVO system, which includes the dispatch service, processor service and cotter.

(Latest) 20-Jun-2018

  • Fixes:
    • WEB Accessing a web page which requires the user to be logged in will now take them to a login page.
    • WEB On query page, "project" drop down is now sorted correctly and includes a short description (which is also searchable).
    • WEBBACKENDCLIENT Fixed an issue where the "Jobs" page and the manta-ray-client did not allow the use of a non-integer time resolution setting. e.g. 0.5 would result in an error:  "Time resolution not of type integer".
    • WEB Fixed an issue where the query form is not showing all observations when performing a search.
    • CLIENT Fixed an issue where rerunning the manta-ray-client with the same csv file produces multiple jobs (which are all the same except for the order of the parameters), instead of 'reconnecting' to the existing job(s).
    • BACKEND Fixed several issues when closing down processes.
    • BACKEND The processor will explicitly ignore files in the archive which are not required for the data job. This will prevent errors like this: "MWA: 50 and NGAS: 51 file number mismatch; ignoring: 1066572736" from occurring.
  • Enhancements:
    • WEB Updated look and feel.
    • WEB Changed font to be much more readable for numbers.
    • WEB We've added a twitter feed (@mwa_asvo) to the front page which will be used to update users of any service status changes or issues to the MWA ASVO.
    • WEB Dates are now displayed in ISO 8601 format.
    • WEB Added Change Password feature.
    • WEB On query page, "from date" can be searched without "to date" and vice-versa.
    • WEB Upon registering, users will now be shown a message box telling them their registration is successful and that they will need to verify their email address. This should prevent users from clicking register multiple times.
    • WEB Added information about compliance with privacy policy.

30 May 2018

  • Fixes:
    • CLIENT Added keyboard interrupt handler to the mwa_client to prevent nuisance error messages when sending Ctrl-C key sequence.
  • Enhancements:
    • CLIENT Made white text in mwa_client brighter.
    • CLIENT mwa_client now ignores lines beginning with # so you can now comment your csv files.

23 May 2018

  • Fixes:
    • CLIENT Modified prerequisites so it includes a minimum version number of the "requests" package. Users reported that using "requests" package below version 2.18.3 was causing errors.

26 February 2018

  • Fixes:
    • WEB VO TAP service returns correct output for availability and capabilities; also is now MWA branded.

12 February 2018

  • Fixes:
    • BACKEND Processor now ignores directory structure of flag file when unzipping which was causing issues for some older observations.

9 February 2018

  • Enhancements:
    • BACKEND The processor now uses a round robin user queue for processing jobs. This means if user A submits 100 jobs and, a few minutes later, user B submits 2 jobs, then it will alternate between processing A's and B's jobs such that user B is not waiting for user A's jobs to finish before user B's jobs start. Instead it would process them: A, B, A, B, A, A, A... and so on. This will result in a much more fair allocation of jobs for users.
    • BACKEND If the processor is shutdown, it will now re-queue the job.

7 February 2018

  • Enhancements:
    • WEB Added buttons on the query results page to allow export of the results to csv format so they can be used as inputs to the manta-ray-client.
    • CLIENT Jump out of mwa_client earlier and report error, if there are no jobs specified in the csv file.
    • CLIENT mwa_client will ignore empty rows in csv file.
    • BACKEND The generated metafits file passed to the cotter process is now included in the output zip file for conversion jobs.

18 January 2018

  • Enhancements:
    • WEB Change from displaying channel number to channel frequency in search results.

27 December 2017

  • WEBCLIENTBACKEND Initial release


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