| Name | Description | Type | Package | Framework |
| BernoulliCellSampler | A sampler based on Bernoulli trials for partitioning a data sequence. | Class | org.apache.spark.util.random | Apache Spark |
| BernoulliSampler | A sampler based on Bernoulli trials. | Class | org.apache.spark.util.random | Apache Spark |
| EnumUtil | Class | org.apache.spark.util | Apache Spark | |
| InnerClosureFinder | Class | org.apache.spark.util | Apache Spark | |
| MethodIdentifier | Helper class to identify a method. | Class | org.apache.spark.util | Apache Spark |
| MutablePair | A tuple of 2 elements. | Class | org.apache.spark.util | Apache Spark |
| PoissonSampler | A sampler for sampling with replacement, based on values drawn from Poisson distribution. | Class | org.apache.spark.util.random | Apache Spark |
| RandomSampler | A pseudorandom sampler. | Interface | org.apache.spark.util.random | Apache Spark |
| ReturnStatementFinder | Class | org.apache.spark.util | Apache Spark | |
| RpcUtils | Class | org.apache.spark.util | Apache Spark | |
| SignalLoggerHandler | Class | org.apache.spark.util | Apache Spark | |
| SizeEstimator | Estimates the sizes of Java objects (number of bytes of memory they occupy), for use in memory-aware caches. | Class | org.apache.spark.util | Apache Spark |
| SparkShutdownHook | Class | org.apache.spark.util | Apache Spark | |
| StatCounter | A class for tracking the statistics of a set of numbers (count, mean and variance) in a numerically robust way. | Class | org.apache.spark.util | Apache Spark |
| TaskCompletionListener | Listener providing a callback function to invoke when a task's execution completes. | Interface | org.apache.spark.util | Apache Spark |
| Vector | Class | org.apache.spark.util | Apache Spark | |
| Vector .Multiplier | Class | org.apache.spark.util.Vector | Apache Spark | |
| Vector .VectorAccumParam$ | Class | org.apache.spark.util.Vector | Apache Spark | |