Update MULTITHREADED shuffle maxBytesInFlight default to 128MB #9344
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Signed-off-by: Alessandro Bellina <[email protected]>
revans2
approved these changes
Sep 29, 2023
tgravescs
approved these changes
Sep 29, 2023
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Closes #9153
This updates the default value of spark.rapids.shuffle.multiThreaded.maxBytesInFlight to 128MB given a netty OOM I saw here #9153, and after testing different maxBytesInFlight values. There will be follow ups to this as we work to really limit host memory usage, but this is certainly a more conservative default than the 2GB that it is set to now.