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[tune] remove some bottlenecks in trialrunner (#12476)

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Richard Liaw
2020-11-30 14:54:25 -08:00
committed by GitHub
parent f5fe3794c8
commit 9ce7ad17fd
8 changed files with 45 additions and 17 deletions
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doc/source/tune/user-guide.rst
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@@ -687,6 +687,8 @@ These are the environment variables Ray Tune currently considers:
* **TUNE_RESULT_DIR**: Directory where Tune trial results are stored. If this
is not set, ``~/ray_results`` will be used.
* **TUNE_SYNCER_VERBOSITY**: Amount of command output when using Tune with Docker Syncer. Defaults to 0.
* **TUNE_WARN_THRESHOLD_S**: Threshold for logging if an Tune event loop operation takes too long. Defaults to 0.5 (seconds).
* **TUNE_STATE_REFRESH_PERIOD**: Frequency of updating the resource tracking from Ray. Defaults to 10 (seconds).
There are some environment variables that are mostly relevant for integrated libraries: