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体验新版 GitCode,发现更多精彩内容 >>
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b87f2fa2
编写于
9月 23, 2014
作者:
S
Stephan Ewen
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电子邮件补丁
差异文件
Improve error message when scheduler cannot find a slot for immediate scheduling.
上级
1ddec930
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
26 addition
and
5 deletion
+26
-5
flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/NoResourceAvailableException.java
...me/jobmanager/scheduler/NoResourceAvailableException.java
+9
-2
flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/Scheduler.java
.../apache/flink/runtime/jobmanager/scheduler/Scheduler.java
+17
-3
未找到文件。
flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/NoResourceAvailableException.java
浏览文件 @
b87f2fa2
...
...
@@ -23,16 +23,23 @@ import org.apache.flink.runtime.JobException;
public
class
NoResourceAvailableException
extends
JobException
{
private
static
final
long
serialVersionUID
=
-
2249953165298717803L
;
private
static
final
String
BASE_MESSAGE
=
"Not enough free slots available to run the job. "
+
"You can decrease the operator parallelism or increase the number of slots per TaskManager in the configuration."
;
public
NoResourceAvailableException
()
{
super
(
"Not enough free slots available to run the job. "
+
"You can decrease the operator parallelism or increase the number of slots per TaskManager in the configuration."
);
super
(
BASE_MESSAGE
);
}
public
NoResourceAvailableException
(
ScheduledUnit
unit
)
{
super
(
"No resource available to schedule unit "
+
unit
+
". You can decrease the operator parallelism or increase the number of slots per TaskManager in the configuration."
);
}
NoResourceAvailableException
(
int
numInstances
,
int
numSlotsTotal
)
{
super
(
String
.
format
(
"%s Resources available to scheduler: Number of instances=%d, total number of slots=%d"
,
BASE_MESSAGE
,
numInstances
,
numSlotsTotal
));
}
public
NoResourceAvailableException
(
String
message
)
{
super
(
message
);
...
...
flink-runtime/src/main/java/org/apache/flink/runtime/jobmanager/scheduler/Scheduler.java
浏览文件 @
b87f2fa2
...
...
@@ -108,6 +108,20 @@ public class Scheduler implements InstanceListener, SlotAvailablilityListener {
return
count
;
}
public
int
getTotalNumberOfSlots
()
{
int
count
=
0
;
synchronized
(
globalLock
)
{
for
(
Instance
instance
:
allInstances
)
{
if
(
instance
.
isAlive
())
{
count
+=
instance
.
getTotalNumberOfSlots
();
}
}
}
return
count
;
}
// --------------------------------------------------------------------------------------------
// Scheduling
// --------------------------------------------------------------------------------------------
...
...
@@ -198,7 +212,7 @@ public class Scheduler implements InstanceListener, SlotAvailablilityListener {
if
(
slotFromGroup
==
null
)
{
// both null
if
(
constraint
==
null
||
constraint
.
isUnassigned
())
{
throw
new
NoResourceAvailableException
();
throw
new
NoResourceAvailableException
(
getNumberOfAvailableInstances
(),
getTotalNumberOfSlots
()
);
}
else
{
throw
new
NoResourceAvailableException
(
"Could not allocate a slot on instance "
+
constraint
.
getLocation
()
+
", as required by the co-location constraint."
);
...
...
@@ -271,7 +285,7 @@ public class Scheduler implements InstanceListener, SlotAvailablilityListener {
return
future
;
}
else
{
throw
new
NoResourceAvailableException
(
task
);
throw
new
NoResourceAvailableException
(
getNumberOfAvailableInstances
(),
getTotalNumberOfSlots
()
);
}
}
}
...
...
@@ -439,7 +453,7 @@ public class Scheduler implements InstanceListener, SlotAvailablilityListener {
throw
new
RuntimeException
(
locality
.
name
());
}
}
// --------------------------------------------------------------------------------------------
// Instance Availability
// --------------------------------------------------------------------------------------------
...
...
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