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Apache Celeborn™ (Incubating) 0.2.0 Release Notes

Highlight

  • Support load-aware slots allocation strategy.

  • Support columnar shuffle.

  • Enhanced flow control.

  • Enhanced HA stability.

  • Enhanced disk management.

  • Support graceful and fast upgrade.

  • Support quota management.

  • Support zstd compression.

  • Support spark 2.4 to 3.3.

  • Major improvements of Celeborn on Kubernetes, including documents and Helm Chart.

  • Code cleanup and refactor.

  • Shade netty completely.

  • Enhanced build system.

  • Refactor configurations.

  • Support JDK11.

  • Remove log4j1.

Performance

  • Batch and parallelize RPC.

  • Add bitmap to filter unnecessary partition read.

  • Cache RPC to reduce Spark driver memory pressure.

Others

  • Bugfixes and improvements.

Credits

Thanks to the following contributors who helped to review and commit to Apache Celeborn(Incubating) 0.2.0-incubating version, and the order is based on the commit time:

Contributors
zwangsheng AngersZhuuuu FMX waitinfuture dxheming haiming
pan3793 lichaojacobs liugs0213 nafiyAix fanyilun 942011334
kerwin-zk xunxunmimi5577 mcdull-zhang wForget RexXiong leesf
zouxxyy Gabriel39 zhongqiangczq szyWilliam boneanxs jxysoft
cfmcgrady zy-jordan kaijchen Rex(Hui) An jiaoqingbo