apeforest opened a new issue #17470: Distributed training hangs if --sync-dst-dir used and num of hosts less than num of workers URL: https://github.com/apache/incubator-mxnet/issues/17470 ## Description Distributed training using dist kvstore hangs if --sync-dst-dir used and num of hosts less than num of workers ### Error Message hangs after rsync ## To Reproduce ### Steps to reproduce (Paste the commands you ran that produced the error.) 1. Follow the example: https://github.com/apache/incubator-mxnet/tree/master/example/distributed_training 2. Specify hostfile: localhost 3. Run: python ~/mxnet/tools/launch.py -n 2 -s 2 -H hosts \ --sync-dst-dir /home/ubuntu/cifar10_dist \ --launcher ssh \ "python /home/ubuntu/cifar10_dist/cifar10_dist.py" ## What have you tried to solve it? 1. 2. ## Environment We recommend using our script for collecting the diagnositc information. Run the following command and paste the outputs below: ``` curl --retry 10 -s https://raw.githubusercontent.com/dmlc/gluon-nlp/master/tools/diagnose.py | python # paste outputs here ```
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