Comments (4)
davies
commented on July 23, 2024
moving files in HDFS should be very fast, could have a thread dump when it's moving files?
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dark-spark2
commented on July 23, 2024
Hi @davies @jameszhouyi ,
I am unable to load 1 TB data : getting "Container marked as failed: container_1494249330558_0002_01_000005"
what parameter did you give spark to run with ? ( executor-memory,driver-memory)?
Thanks!
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v-olmedo
commented on July 23, 2024
Hello folks. I how I make the data gen multi-threaded? It appears I can only run one version of dsdgen to generate the data. If i spin up 4 on 4 compute servers. One takes ownership of the files and the others cant.
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juliuszsompolski
commented on July 23, 2024
@v-olmedo The README describes how to use parallel dsdgens. In particular, the line
numPartitions = 100) // how many dsdgen partitions to run - number of input tasks.
Note that you need to use dsdgen from https://github.com/databricks/tpcds-kit
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