UI_PATH_PREFIX
HistoryServer
UnionRDD
rdd
UnknownReason
spark
UnsafeShuffleWriter
unsafe
ui
spark
unary_-
Vector
unbroadcast
BroadcastFactory HttpBroadcastFactory TorrentBroadcastFactory
underlyingSplit
SplitInfo
union
SparkContext JavaDoubleRDD JavaPairRDD JavaRDD JavaSparkContext RDD
uniqueId
StreamBlockId
unpersist
JavaDoubleRDD JavaPairRDD JavaRDD Broadcast PersistenceEngine RDD
unsafe
shuffle
unset
TaskContext BitSet
update
AccumulableInfo AccumulableInfo MutablePair AppendOnlyMap
updateAggregateMetrics
JobProgressListener
updateBytesRead
InputMetrics
updatedBlocks
TaskMetrics
uploadBlock
NettyBlockTransferService NioBlockTransferService
useDisk
StorageLevel
useMemory
StorageLevel
useOffHeap
StorageLevel
user
JobLogger
util
spark