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体验新版 GitCode,发现更多精彩内容 >>
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c4acbb83
编写于
12月 09, 2017
作者:
D
Dian Fu
提交者:
Dawid Wysakowicz
12月 29, 2017
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差异文件
[FLINK-8227] Optimize the performance of SharedBufferSerializer
This closes #5142
上级
91f00ec9
变更
1
隐藏空白更改
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并排
Showing
1 changed file
with
8 addition
and
6 deletion
+8
-6
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/SharedBuffer.java
.../src/main/java/org/apache/flink/cep/nfa/SharedBuffer.java
+8
-6
未找到文件。
flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/SharedBuffer.java
浏览文件 @
c4acbb83
...
...
@@ -527,6 +527,7 @@ public class SharedBuffer<K extends Serializable, V> implements Serializable {
private
final
Set
<
SharedBufferEdge
<
K
,
V
>>
edges
;
private
final
SharedBufferPage
<
K
,
V
>
page
;
private
int
referenceCounter
;
private
transient
int
entryId
;
SharedBufferEntry
(
final
ValueTimeWrapper
<
V
>
valueTime
,
...
...
@@ -547,6 +548,8 @@ public class SharedBuffer<K extends Serializable, V> implements Serializable {
referenceCounter
=
0
;
entryId
=
-
1
;
this
.
page
=
page
;
}
...
...
@@ -886,7 +889,6 @@ public class SharedBuffer<K extends Serializable, V> implements Serializable {
@Override
public
void
serialize
(
SharedBuffer
<
K
,
V
>
record
,
DataOutputView
target
)
throws
IOException
{
Map
<
K
,
SharedBufferPage
<
K
,
V
>>
pages
=
record
.
pages
;
Map
<
SharedBufferEntry
<
K
,
V
>,
Integer
>
entryIDs
=
new
HashMap
<>();
int
totalEdges
=
0
;
int
entryCounter
=
0
;
...
...
@@ -908,7 +910,7 @@ public class SharedBuffer<K extends Serializable, V> implements Serializable {
// assign id to the sharedBufferEntry for the future
// serialization of the previous relation
entryIDs
.
put
(
sharedBuffer
,
entryCounter
++)
;
sharedBuffer
.
entryId
=
entryCounter
++
;
ValueTimeWrapper
<
V
>
valueTimeWrapper
=
sharedBuffer
.
getValueTime
();
...
...
@@ -932,15 +934,15 @@ public class SharedBuffer<K extends Serializable, V> implements Serializable {
for
(
Map
.
Entry
<
ValueTimeWrapper
<
V
>,
SharedBufferEntry
<
K
,
V
>>
sharedBufferEntry:
page
.
entries
.
entrySet
())
{
SharedBufferEntry
<
K
,
V
>
sharedBuffer
=
sharedBufferEntry
.
getValue
();
Integer
id
=
entryIDs
.
get
(
sharedBuffer
)
;
Preconditions
.
checkState
(
id
!=
null
,
"Could not find id for entry: "
+
sharedBuffer
);
int
id
=
sharedBuffer
.
entryId
;
Preconditions
.
checkState
(
id
!=
-
1
,
"Could not find id for entry: "
+
sharedBuffer
);
for
(
SharedBufferEdge
<
K
,
V
>
edge:
sharedBuffer
.
edges
)
{
// in order to serialize the previous relation we simply serialize the ids
// of the source and target SharedBufferEntry
if
(
edge
.
target
!=
null
)
{
Integer
targetId
=
entryIDs
.
get
(
edge
.
getTarget
())
;
Preconditions
.
checkState
(
targetId
!=
null
,
int
targetId
=
edge
.
getTarget
().
entryId
;
Preconditions
.
checkState
(
targetId
!=
-
1
,
"Could not find id for entry: "
+
edge
.
getTarget
());
target
.
writeInt
(
id
);
...
...
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