spark-instrumented-optimizer/conf/java-opts

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-Dspark.shuffle.class=spark.TrackedCustomBlockedInMemoryShuffle
-Dspark.shuffle.masterHostAddress=127.0.0.1
-Dspark.shuffle.masterTrackerPort=22222
-Dspark.shuffle.trackerStrategy=spark.SelectRandomShuffleTrackerStrategy
-Dspark.shuffle.maxRxConnections=40
-Dspark.shuffle.maxTxConnections=120
-Dspark.shuffle.blockSize=4096
-Dspark.shuffle.minKnockInterval=100
-Dspark.shuffle.maxKnockInterval=5000
-Dspark.shuffle.maxChatTime=500
-Dspark.shuffle.throttleFraction=2.0
-verbose:gc
-XX:+PrintGCTimeStamps
-XX:+PrintGCDetails