marcoabreu commented on issue #11997: Disable ccache log print due to threadunsafety URL: https://github.com/apache/incubator-mxnet/pull/11997#issuecomment-409940096 This file is shared with all compilers. This means that if we don't access it with a proper locking mechanism, the running compilers might crash or hang. I'm not entirely sure how to locking works over a NFS, but I'm quite sure that this is the culprit. I investigated it with Kellen a bit a few weeks ago and found some statements on the internet that apparently it's quite sensitive to interact with the statistic files because it is queried a LOT during the compilation time and it is being used to synchronize between concurrent calls.
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