attilapiros commented on issue #23560: [SPARK-26632][Spark Core] Separate Thread Configurations of Driver and Executor URL: https://github.com/apache/spark/pull/23560#issuecomment-470948531 Thanks, so it was 8, 8, 8 and 8. Now I am just wondering what would be the drawback for using higher number of threads for each pool than the necessary other then wasting some memory and threads. Still this can be very useful setting I just cannot decide. You can render a table by separating headers and rows like this: | |ds|dc|dd|ed|time|old time|improvement| |----------|---|--|---|--|----|---------|-------------| |128 nodes|15|15|10|30|107 |108 |0.9% | |256 nodes|12|15|10|30|159 |196 |18.8% | |512 nodes|12|15|10|30|283 |377 |24.9% |
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