spark-instrumented-optimizer/conf/java-opts

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-Dspark.shuffle.class=spark.ManualBlockedLocalFileShuffle -Dspark.blockedLocalFileShuffle.maxRxConnections=2 -Dspark.blockedLocalFileShuffle.blockSize=256 -Dspark.blockedLocalFileShuffle.minKnockInterval=50 -Dspark.parallelLocalFileShuffle.maxRxConnections=2 -Dspark.parallelLocalFileShuffle.maxTxConnections=2 -Dspark.parallelLocalFileShuffle.minKnockInterval=50 -Dspark.parallelLocalFileShuffle.maxKnockInterval=2000 -Dspark.parallelInMemoryShuffle.maxRxConnections=2 -Dspark.parallelInMemoryShuffle.maxTxConnections=2 -Dspark.parallelInMemoryShuffle.minKnockInterval=50 -Dspark.parallelInMemoryShuffle.maxKnockInterval=2000