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cs525-sp18-g07
spark
Commits
b09d4b79
Commit
b09d4b79
authored
11 years ago
by
Matei Zaharia
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Merge pull request #799 from woggle/sync-fix
Remove extra synchronization in ResultTask
parents
cc6b92e8
9dfc280f
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1 changed file
core/src/main/scala/spark/scheduler/ResultTask.scala
+7
-9
7 additions, 9 deletions
core/src/main/scala/spark/scheduler/ResultTask.scala
with
7 additions
and
9 deletions
core/src/main/scala/spark/scheduler/ResultTask.scala
+
7
−
9
View file @
b09d4b79
...
@@ -51,15 +51,13 @@ private[spark] object ResultTask {
...
@@ -51,15 +51,13 @@ private[spark] object ResultTask {
}
}
def
deserializeInfo
(
stageId
:
Int
,
bytes
:
Array
[
Byte
])
:
(
RDD
[
_
],
(
TaskContext
,
Iterator
[
_
])
=>
_
)
=
{
def
deserializeInfo
(
stageId
:
Int
,
bytes
:
Array
[
Byte
])
:
(
RDD
[
_
],
(
TaskContext
,
Iterator
[
_
])
=>
_
)
=
{
synchronized
{
val
loader
=
Thread
.
currentThread
.
getContextClassLoader
val
loader
=
Thread
.
currentThread
.
getContextClassLoader
val
in
=
new
GZIPInputStream
(
new
ByteArrayInputStream
(
bytes
))
val
in
=
new
GZIPInputStream
(
new
ByteArrayInputStream
(
bytes
))
val
ser
=
SparkEnv
.
get
.
closureSerializer
.
newInstance
val
ser
=
SparkEnv
.
get
.
closureSerializer
.
newInstance
val
objIn
=
ser
.
deserializeStream
(
in
)
val
objIn
=
ser
.
deserializeStream
(
in
)
val
rdd
=
objIn
.
readObject
().
asInstanceOf
[
RDD
[
_
]]
val
rdd
=
objIn
.
readObject
().
asInstanceOf
[
RDD
[
_
]]
val
func
=
objIn
.
readObject
().
asInstanceOf
[(
TaskContext
,
Iterator
[
_
])
=>
_
]
val
func
=
objIn
.
readObject
().
asInstanceOf
[(
TaskContext
,
Iterator
[
_
])
=>
_
]
return
(
rdd
,
func
)
return
(
rdd
,
func
)
}
}
}
def
clearCache
()
{
def
clearCache
()
{
...
...
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