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artdaq Release Notes 1.07.00 (22-Apr-2014)

This version of artdaq is the continuation of the development that was being released in the v1_05_xx series. It continues to use the v1_08_10 version of art. The jump to version v1_07_00 was needed so that we could provide a fixed version of the artdaq code with a newer version of art for the NOvA DDT (that version was released as artdaq v1_06_00).

External Package Changes

  • none

artdaq v1_07_00

New features:

  • Issue #5747: Add support to artdaq::Fragment for specifying sizes in bytes

Bug fixes:

  • Issue #5833: Fix "data rate" typo

Operational changes:

  • Issue #5357: Complete the implementation of graceful handling of backpressure
  • Issue #5866: [DS-50] Add the ability to preload a fake_fsync library in pmt.rb

Known issues:

  • This is minor, but everyone should be aware that we'll need to re-orient our searches for back-pressure when searching through the logs. We used to be able to search for "FAIL". Now, we'll need to search for a substring in

Wed Apr 23 11:27:14 -0500 2014: %MSG-w EventBuilderCore: Aggregator-dsfr6-6650 MF-online
Wed Apr 23 11:27:14 -0500 2014: Unable to process event 10652 because of back-pressure - retrying...
Wed Apr 23 11:27:14 -0500 2014: %MSG
Wed Apr 23 11:27:16 -0500 2014: %MSG-w EventBuilderCore: EventBuilder-dseb8-6642 MF-online
Wed Apr 23 11:27:16 -0500 2014: Unable to process fragment 2 in event 10762 because of back-pressure - retrying...
Wed Apr 23 11:27:16 -0500 2014: %MSG