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cs525-sp18-g07
spark
Commits
023ed194
Commit
023ed194
authored
14 years ago
by
Matei Zaharia
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Fixed some whitespace
parent
74bbfa91
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Changes
3
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3 changed files
src/scala/spark/HadoopFile.scala
+2
-2
2 additions, 2 deletions
src/scala/spark/HadoopFile.scala
src/scala/spark/HttpServer.scala
+1
-1
1 addition, 1 deletion
src/scala/spark/HttpServer.scala
src/scala/spark/RDD.scala
+11
-11
11 additions, 11 deletions
src/scala/spark/RDD.scala
with
14 additions
and
14 deletions
src/scala/spark/HadoopFile.scala
+
2
−
2
View file @
023ed194
...
...
@@ -15,7 +15,7 @@ import org.apache.hadoop.util.ReflectionUtils
/** A Spark split class that wraps around a Hadoop InputSplit */
@serializable
class
HadoopSplit
(
@transient
s
:
InputSplit
)
extends
Split
{
extends
Split
{
val
inputSplit
=
new
SerializableWritable
[
InputSplit
](
s
)
// Hadoop gives each split a unique toString value, so use this as our ID
...
...
@@ -48,7 +48,7 @@ extends RDD[(K, V)](sc) {
}
override
def
splits
=
splits_
override
def
iterator
(
theSplit
:
Split
)
=
new
Iterator
[(
K
,
V
)]
{
val
split
=
theSplit
.
asInstanceOf
[
HadoopSplit
]
var
reader
:
RecordReader
[
K
,
V
]
=
null
...
...
This diff is collapsed.
Click to expand it.
src/scala/spark/HttpServer.scala
+
1
−
1
View file @
023ed194
...
...
@@ -11,7 +11,7 @@ import org.eclipse.jetty.util.thread.QueuedThreadPool
/**
* Exception type thrown by HttpServer when it is in the wrong state
* Exception type thrown by HttpServer when it is in the wrong state
* for an operation.
*/
class
ServerStateException
(
message
:
String
)
extends
Exception
(
message
)
...
...
This diff is collapsed.
Click to expand it.
src/scala/spark/RDD.scala
+
11
−
11
View file @
023ed194
...
...
@@ -78,7 +78,7 @@ abstract class RDD[T: ClassManifest](
case
_
=>
throw
new
UnsupportedOperationException
(
"empty collection"
)
}
def
count
()
:
Long
=
def
count
()
:
Long
=
try
{
map
(
x
=>
1L
).
reduce
(
_
+
_
)
}
catch
{
case
e
:
UnsupportedOperationException
=>
0L
}
...
...
@@ -128,7 +128,7 @@ extends RDDTask[Option[T], T](rdd, split) with Logging {
}
class
MappedRDD
[
U:
ClassManifest
,
T:
ClassManifest
](
prev
:
RDD
[
T
],
f
:
T
=>
U
)
prev
:
RDD
[
T
],
f
:
T
=>
U
)
extends
RDD
[
U
](
prev
.
sparkContext
)
{
override
def
splits
=
prev
.
splits
override
def
preferredLocations
(
split
:
Split
)
=
prev
.
preferredLocations
(
split
)
...
...
@@ -137,7 +137,7 @@ extends RDD[U](prev.sparkContext) {
}
class
FilteredRDD
[
T:
ClassManifest
](
prev
:
RDD
[
T
],
f
:
T
=>
Boolean
)
prev
:
RDD
[
T
],
f
:
T
=>
Boolean
)
extends
RDD
[
T
](
prev
.
sparkContext
)
{
override
def
splits
=
prev
.
splits
override
def
preferredLocations
(
split
:
Split
)
=
prev
.
preferredLocations
(
split
)
...
...
@@ -146,7 +146,7 @@ extends RDD[T](prev.sparkContext) {
}
class
FlatMappedRDD
[
U:
ClassManifest
,
T:
ClassManifest
](
prev
:
RDD
[
T
],
f
:
T
=>
Traversable
[
U
])
prev
:
RDD
[
T
],
f
:
T
=>
Traversable
[
U
])
extends
RDD
[
U
](
prev
.
sparkContext
)
{
override
def
splits
=
prev
.
splits
override
def
preferredLocations
(
split
:
Split
)
=
prev
.
preferredLocations
(
split
)
...
...
@@ -155,7 +155,7 @@ extends RDD[U](prev.sparkContext) {
override
def
taskStarted
(
split
:
Split
,
slot
:
SlaveOffer
)
=
prev
.
taskStarted
(
split
,
slot
)
}
class
SplitRDD
[
T:
ClassManifest
](
prev
:
RDD
[
T
])
class
SplitRDD
[
T:
ClassManifest
](
prev
:
RDD
[
T
])
extends
RDD
[
Array
[
T
]](
prev
.
sparkContext
)
{
override
def
splits
=
prev
.
splits
override
def
preferredLocations
(
split
:
Split
)
=
prev
.
preferredLocations
(
split
)
...
...
@@ -170,16 +170,16 @@ extends RDD[Array[T]](prev.sparkContext) {
}
class
SampledRDD
[
T:
ClassManifest
](
prev
:
RDD
[
T
],
withReplacement
:
Boolean
,
frac
:
Double
,
seed
:
Int
)
prev
:
RDD
[
T
],
withReplacement
:
Boolean
,
frac
:
Double
,
seed
:
Int
)
extends
RDD
[
T
](
prev
.
sparkContext
)
{
@transient
val
splits_
=
{
val
rg
=
new
Random
(
seed
);
prev
.
splits
.
map
(
x
=>
new
SeededSplit
(
x
,
rg
.
nextInt
))
}
override
def
splits
=
splits_
.
asInstanceOf
[
Array
[
Split
]]
override
def
preferredLocations
(
split
:
Split
)
=
prev
.
preferredLocations
(
split
.
asInstanceOf
[
SeededSplit
].
prev
)
override
def
iterator
(
splitIn
:
Split
)
=
{
override
def
iterator
(
splitIn
:
Split
)
=
{
val
split
=
splitIn
.
asInstanceOf
[
SeededSplit
]
val
rg
=
new
Random
(
split
.
seed
);
// Sampling with replacement (TODO: use reservoir sampling to make this more efficient?)
...
...
@@ -213,7 +213,7 @@ extends RDD[T](prev.sparkContext) with Logging {
else
prev
.
preferredLocations
(
split
)
}
override
def
iterator
(
split
:
Split
)
:
Iterator
[
T
]
=
{
val
key
=
id
+
"::"
+
split
.
getId
()
logInfo
(
"CachedRDD split key is "
+
key
)
...
...
@@ -278,7 +278,7 @@ extends Split {
class
UnionRDD
[
T:
ClassManifest
](
sc
:
SparkContext
,
rdds
:
Seq
[
RDD
[
T
]])
extends
RDD
[
T
](
sc
)
{
@transient
val
splits_
:
Array
[
Split
]
=
{
val
splits
:
Seq
[
Split
]
=
val
splits
:
Seq
[
Split
]
=
for
(
rdd
<-
rdds
;
split
<-
rdd
.
splits
)
yield
new
UnionSplit
(
rdd
,
split
)
splits
.
toArray
...
...
@@ -289,7 +289,7 @@ extends RDD[T](sc) {
override
def
iterator
(
s
:
Split
)
:
Iterator
[
T
]
=
s
.
asInstanceOf
[
UnionSplit
[
T
]].
iterator
()
override
def
preferredLocations
(
s
:
Split
)
:
Seq
[
String
]
=
override
def
preferredLocations
(
s
:
Split
)
:
Seq
[
String
]
=
s
.
asInstanceOf
[
UnionSplit
[
T
]].
preferredLocations
()
}
...
...
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