ray-project/ray ray-0.6.5

on GitHub

Core

• Build system fully converted to Bazel. #4284, #4280, #4281
• Introduce a set data structure in the GCS. #4199
• Make all arguments to _remote() optional. #4305
• Improve object transfer latency by setting TCP_NODELAY on all TCP connections. #4318
• Add beginning of experimental serving module. #4095
• Remove Jupyter notebook based UI. #4301
• Add ray timeline command line command for dumping Chrome trace. #4239

Tune

• Add custom field for serializations. #4237
• Begin adding Tune CLI. #3983, #4321, #4322
• Add optimization to reuse actors. #4218
• Add warnings if the Tune event loop gets clogged. #4353
• Switch preferred API from tune.run_experiments to tune.run. #4234
• Make the logging from the function API consistent and predictable. #4011

RLlib

• Breaking: Flip sign of entropy coefficient in A2C and Impala. #4374
• Add option to continue training even if some workers crash. #4376
• Add asynchronous remote workers. #4253
• Add callback accessor for raw observations. #4212

Java

• Improve single-process mode. #4245, #4265
• Package native dependencies into jar. #4367
• Initial support for calling Python functions from Java. #4166

Autoscaler

• Restore error messages for setup errors. #4388

Known Issues

• Object broadcasts on large clusters are inefficient. #2945