dcapwell commented on code in PR #28:
URL: https://github.com/apache/cassandra-accord/pull/28#discussion_r1092288042
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accord-core/src/test/java/accord/impl/basic/DelayedExecutorService.java:
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@@ -0,0 +1,107 @@
+package accord.impl.basic;
+
+import accord.burn.random.Decision;
+import accord.burn.random.IntRange;
+import accord.burn.random.RandomInt;
+import accord.burn.random.SegmentedIntRange;
+import org.apache.cassandra.concurrent.FutureTask;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.AbstractExecutorService;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+public class DelayedExecutorService extends AbstractExecutorService
+{
+ private final PendingQueue pending;
+ private final Random random;
+ private final RandomInt jitterInNano;
+
+ public DelayedExecutorService(PendingQueue pending, Random random)
+ {
+ this.pending = pending;
+ this.random = random;
+ this.jitterInNano = new SegmentedIntRange(
+ new IntRange(microToNanos(0), microToNanos(50)),
+ new IntRange(microToNanos(50), msToNanos(5)),
+ // this is different from Apache Cassandra Simulator as this
is computed differently for each executor
Review Comment:
I created a `RandomWalkPeriodChance` that looks to be working in this
manner, but the true happens 58% of the time where as we want around 1-10%...
so trying to mess with this to get that involved
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