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1.9.1 (2017 January 6)

  • switched to supervisor + workers architecture, improving handling of errors and subprocess lifecycle control.
  • Source code split into more mostly isolated modules.

1.9.0 (2016 December 1)

  • added 3rd parallel process which handles post-processing and writing of responses. This should greatly improve performance.
  • add ability to compress data in transit

1.8.8 (2016 November 17)

  • --output_delimiter flag to set delimiter for output CSV. "tab" can be used
    for tab-delimited output
  • --skip_row_id flag to skip row_id column in output
  • fixed hang of batch-scoring script on CSV parse errors
  • added summary of run at the end of script output with full list of errors,
    warnings and total stats.
  • fixed error when trying to report multiline CSV error in fast mode
  • Run all tests against Windows

1.8.7 (2016 November 1)

  • --pred_name parameter is documented. Potentially backward incompatible change:
    Previously, 1.0 class was used as positive result for binary predictions, now last class in lexical order is used
  • Fixed memory leak and performance problem caused by unrestricted batch-generator
  • internal check and error avoidance logic for requests that are too large
  • docker and docker-compose files for dockerized run of tests and script
  • auto sampler target batch size increased to 2.5M

1.8.6 (2016 August 23)

  • improve url parsing. You no longer need to include "/api" in the host argument.
  • return more descriptive error messages when there is a problem
  • include the version of the batch-scoring script in the user-agent header

1.8.5 (2016 July 28)

  • add option to define document encoding
  • add option to skip csv dialect detection.
  • make adjustment to sample size used by dialect and encoding detection
  • use auto_sample as default unless "--n_samples" is defined
  • allow "tab" command line arg keyword. e.g. "--delimiter=tab"

1.8.4 (2016 July 11)

  • minor performance improvement for nix users

1.8.3 (2016 July 6)

  • This release is compatible with Windows
  • logs are now sent to two files within the directory where the script is run

1.8.2 (2016 June 16)

  • added --auto_sample option to find the n_samples automatically.

1.8.1 (2016 June 15)

  • added --auto_sample option to find the n_samples automatically.
  • change how csv dialects are passed around in attempt to fix a bug on Windows.

1.8.0 (2016 June 13)

  • use chardet module chardet to attempt to detect character encoding
  • use standard lib csv module to attempt to discover CSV dialect
  • use stream decoder and encoder in python 2 to transparently convert to utf-8
  • provide a mode for sending all user messages to stdout

1.7.0 (2016 May)

  • separate process for disk IO and request payload serialization
  • avoid codecs.getreader due to IO bottleneck
  • dont parse CSV (fail fatally on multiline csv)
  • multiline mode (to be renamed)
  • keep_cols resolution

1.6.0 alpha (2016 April 29)

  • Get rid of gevent/asyncio, use thread-based networking
  • Show path to logs on every unexpected error
  • Convert cmdline argument parser from docopt to argparse
  • Add configuration file support
  • Refactor logging/ui
  • Drop support of making predictions using 'v2' Modeling API

1.5.0

  • Fix bug under Python 2 where gevent was fatally failing on timeouts.
  • Added timeout argument.
  • Both asyncio and gevent now retry within the request exception handler.
  • Authorization now checks schema too and thus we fail much earlier if input not correct.

1.4.0

  • Fix bug under Python 2 where gevent was silently dropping batches.
  • Better checks if run completed successfully.
  • Fail fast on missing column or dtype mismatch.
  • Add naming of prediction column for regression.
  • Fix ignore datarobot_key.

1.3.3

  • Update requirements for Python 3 to minimum versions.

1.3.2

  • Updated client side error reporting to show the status message when it returns formatted as JSON object instead of just the error code

1.3.1

  • Use utf8 encoding for CSV strings sent to prediction API server

1.3.0

  • Use CSV instead of JSON for better throughput and reduced memory footprint on the server-side.

1.2.1

  • Gevent dependency update to fix ssl bug on 2.7.9.

1.2.0

  • Setuptools support.

1.1.0

  • Use python logging and maintain a debug log to help support engineers trace errors.

1.0.2

  • More robust delimiter handling (whitelist).
  • Dont segfault on non-splittable delimiter.

1.0.1

  • Set number of retries default to 3 instead of infinite.
  • Fix: type -> task

1.0.0

  • Initial release