UI_PATH_PREFIX
HistoryServer
UnifiedMemoryManager
memory
UnionRDD
rdd
UnknownReason
spark
UnsafeExternalSorter
sort
UnsafeInMemorySorter
sort
UnsafeShuffleWriter
sort
UnsafeSorterIterator
sort
UnsafeSorterSpillReader
sort
UnsafeSorterSpillWriter
sort
ui
spark
unary_-
Vector
unbroadcast
BroadcastFactory
HttpBroadcastFactory
TorrentBroadcastFactory
underlyingSplit
SplitInfo
union
SparkContext
JavaDoubleRDD
JavaPairRDD
JavaRDD
JavaSparkContext
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OpenHashSet
uniqueId
StreamBlockId
unpersist
JavaDoubleRDD
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JavaRDD
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unsafe
spark
collection
unset
TaskContext
BitSet
update
AccumulableInfo
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updateAggregateMetrics
JobProgressListener
updateBytesRead
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updatedBlocks
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uploadBlock
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useDisk
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useMemory
StorageLevel
useOffHeap
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user
JobLogger
util
spark