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[SPARK-30667] Support simple all gather in barrier task context - Spark - [issue]
...Currently we offer task.barrier() to coordinate tasks in barrier mode. Tasks can see all IP addresses from BarrierTaskContext. It would be simpler to integrate with distributed frameworks li...    Author: Xiangrui Meng , 2020-05-21, 08:09
[SPARK-7768] Make user-defined type (UDT) API public - Spark - [issue]
...As the demand for UDTs increases beyond sparse/dense vectors in MLlib, it would be nice to make the UDT API public in 1.5....    Author: Xiangrui Meng , 2020-05-28, 20:29
[SPARK-27371] Standalone master receives resource info from worker and allocate driver/executor properly - Spark - [issue]
...As an admin, I can let Spark Standalone worker automatically discover GPUs installed on worker nodes. So I don't need to manually configure them....    Author: Xiangrui Meng , 2020-06-06, 14:24
[SPARK-31777] CrossValidator supports user-supplied folds - Spark - [issue]
...As a user, I can specify how CrossValidator should create folds by specifying a foldCol, which should be integer type with range [0, numFolds). If foldCol is specified, Spark won't do random...    Author: Xiangrui Meng , 2020-06-16, 23:47
[SPARK-27363] Mesos support for GPU-aware scheduling - Spark - [issue]
...Design and implement Mesos support for GPU-aware scheduling....    Author: Xiangrui Meng , 2020-06-29, 14:14
[SPARK-27372] Standalone executor process-level isolation to support GPU scheduling - Spark - [issue]
...As an admin, I can configure standalone to have multiple executor processes on the same worker node and processes are configured via cgroups so they only have access to assigned GPUs. So I d...    Author: Xiangrui Meng , 2020-06-29, 14:14
[SPARK-27365] Spark Jenkins supports testing GPU-aware scheduling features - Spark - [issue]
...Upgrade Spark Jenkins to install GPU cards and run GPU integration tests triggered by "GPU" in Andy Feng Shane Knapp...    Author: Xiangrui Meng , 2020-06-29, 14:15