[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-29 Thread andrewor14
Github user andrewor14 commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167855990
  
What first two days of work are you referring to? The problem is we just 
can't use Kryo for serializing task results because there might be unregistered 
classes. Because of this constraint we can't use `spark.serializer` here since 
the user can specify Kryo there.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-29 Thread andrewor14
Github user andrewor14 commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167859672
  
Thanks for putting the effort into this @tedyu. It did move us forward in 
the sense that now we know we can't use Kryo for serializing task results. I'm 
going to close the issue.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-29 Thread tedyu
Github user tedyu closed the pull request at:

https://github.com/apache/spark/pull/10368


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-29 Thread tedyu
Github user tedyu commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167802141
  
I think the first two days' work aligns with SPARK-12414.

Is it possible to keep that (without modification to KryoSerializer and the 
new test) ?


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-28 Thread tedyu
Github user tedyu commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48507734
  
--- Diff: 
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -109,6 +111,9 @@ class KryoSerializer(conf: SparkConf)
 kryo.register(classOf[SerializableJobConf], new KryoJavaSerializer())
 kryo.register(classOf[HttpBroadcast[_]], new KryoJavaSerializer())
 kryo.register(classOf[PythonBroadcast], new KryoJavaSerializer())
+kryo.register(classOf[TaskMetrics], new KryoJavaSerializer())
+kryo.register(classOf[DirectTaskResult[_]], new KryoJavaSerializer())
+kryo.register(classOf[IndirectTaskResult[_]], new KryoJavaSerializer())
--- End diff --

bq. people may forget to register new classes if they just add an Option 
field to TaskMetrics in future

Addition to TaskMetrics would be reviewed, right ?
A comment can be added to TaskMetrics reminding them to register 
corresponding class.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-28 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48507496
  
--- Diff: 
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -109,6 +111,9 @@ class KryoSerializer(conf: SparkConf)
 kryo.register(classOf[SerializableJobConf], new KryoJavaSerializer())
 kryo.register(classOf[HttpBroadcast[_]], new KryoJavaSerializer())
 kryo.register(classOf[PythonBroadcast], new KryoJavaSerializer())
+kryo.register(classOf[TaskMetrics], new KryoJavaSerializer())
+kryo.register(classOf[DirectTaskResult[_]], new KryoJavaSerializer())
+kryo.register(classOf[IndirectTaskResult[_]], new KryoJavaSerializer())
--- End diff --

I just found there are more classes need to register, such as 
`ShuffleReadMetrics`, `OutputMetrics` and `ShuffleWriteMetrics`. The problem is 
that most fields in `TaskMetrics` are `Option` so the new added unit tests 
cannot cover them.

Not sure how many people uses `spark.kryo.registrationRequired`. But if 
they enable it, we will break their codes.

In addition, even if we register all necessary classes now, people may 
forget to register new classes if they just add an `Option` field in future.

I prefer to close this PR since I don't think this patch buys us much due 
to the tricky thing introduced.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-28 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48508806
  
--- Diff: 
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -109,6 +111,9 @@ class KryoSerializer(conf: SparkConf)
 kryo.register(classOf[SerializableJobConf], new KryoJavaSerializer())
 kryo.register(classOf[HttpBroadcast[_]], new KryoJavaSerializer())
 kryo.register(classOf[PythonBroadcast], new KryoJavaSerializer())
+kryo.register(classOf[TaskMetrics], new KryoJavaSerializer())
+kryo.register(classOf[DirectTaskResult[_]], new KryoJavaSerializer())
+kryo.register(classOf[IndirectTaskResult[_]], new KryoJavaSerializer())
--- End diff --

Moreover, `_accumulatorUpdates` is much more complicated. Its value could 
be any type, e.g., `SQLMetricValue`. If someone adds a new `SQLMetricValue` 
type, it's hard for reviewers to recall it will be stored in `TaskMetrics`.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-28 Thread andrewor14
Github user andrewor14 commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48511217
  
--- Diff: 
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -109,6 +111,9 @@ class KryoSerializer(conf: SparkConf)
 kryo.register(classOf[SerializableJobConf], new KryoJavaSerializer())
 kryo.register(classOf[HttpBroadcast[_]], new KryoJavaSerializer())
 kryo.register(classOf[PythonBroadcast], new KryoJavaSerializer())
+kryo.register(classOf[TaskMetrics], new KryoJavaSerializer())
+kryo.register(classOf[DirectTaskResult[_]], new KryoJavaSerializer())
+kryo.register(classOf[IndirectTaskResult[_]], new KryoJavaSerializer())
--- End diff --

I see, that does seem like a real problem. Let's move this discussion to 
the main thread so more people can see.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-28 Thread andrewor14
Github user andrewor14 commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167673871
  
As @zsxwing pointed out, the existing unit tests are not sufficient because 
they didn't catch the fact that `ShuffleReadMetrics` et al must also be 
registered. This is because these fields are options. In the future, people are 
free to add more options fields and it will be hard for reviewers to maintain 
this additional requirement of registering it with Kryo.

Given this the suggestion is to close this issue for now. Eventually when 
we get rid of closure serializer altogether (SPARK-12414) we can just replace 
this one with Java serializer, and add a huge comment why it can't be Kryo.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-28 Thread tedyu
Github user tedyu commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48513944
  
--- Diff: 
core/src/test/scala/org/apache/spark/scheduler/TaskResultGetterSuite.scala ---
@@ -81,6 +81,16 @@ class TaskResultGetterSuite extends SparkFunSuite with 
BeforeAndAfter with Local
   // as we can make it) so the tests don't take too long.
   def conf: SparkConf = new SparkConf().set("spark.akka.frameSize", "1")
 
+  test("Kryo serializer for TaskResult") {
+val conf1 = new SparkConf(false)
+conf1.set("spark.serializer", 
"org.apache.spark.serializer.KryoSerializer")
--- End diff --

I wasn't aware of SPARK-12414 previously.
If Java serializer is to be used everywhere, is there some code in this PR 
that is useful for SPARK-12414 ?


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-27 Thread srowen
Github user srowen commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48458317
  
--- Diff: core/src/test/scala/org/apache/spark/HeartbeatReceiverSuite.scala 
---
@@ -220,7 +222,7 @@ class HeartbeatReceiverSuite
 } else {
   assert(!response.reregisterBlockManager)
   // Additionally verify that the scheduler callback is called with 
the correct parameters
-  verify(scheduler).executorHeartbeatReceived(
+  verify(scheduler, 
VerificationModeFactory.atLeast(1)).executorHeartbeatReceived(
--- End diff --

@tedyu this still needs attention. Is the rest OK to commit @andrewor14 or 
are you interested in refining the tests?


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-24 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167101101
  
**[Test build #48304 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/48304/consoleFull)**
 for PR 10368 at commit 
[`a4173eb`](https://github.com/apache/spark/commit/a4173ebf248617fd16864df156516e6c038a09a1).
 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-24 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167101251
  
Merged build finished. Test PASSed.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-24 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167101252
  
Test PASSed.
Refer to this link for build results (access rights to CI server needed): 
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/48304/
Test PASSed.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-24 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167081572
  
**[Test build #48304 has 
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/48304/consoleFull)**
 for PR 10368 at commit 
[`a4173eb`](https://github.com/apache/spark/commit/a4173ebf248617fd16864df156516e6c038a09a1).


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-24 Thread tedyu
Github user tedyu commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167086261
  
```
sbt.ForkMain$ForkError: 
org.scalatest.exceptions.TestFailedDueToTimeoutException: The code passed to 
eventually never returned normally. Attempted 209 times over 10.019028894 
seconds. Last failure message: strings.forall({
  ((elem: Any) => DirectKafkaStreamSuite.collectedData.contains(elem))
}) was false.
at 
org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:420)
at 
org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:438)
at 
org.apache.spark.streaming.kafka.DirectKafkaStreamSuite.eventually(DirectKafkaStreamSuite.scala:44)
at 
org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:307)
at 
org.apache.spark.streaming.kafka.DirectKafkaStreamSuite.eventually(DirectKafkaStreamSuite.scala:44)
at 
org.apache.spark.streaming.kafka.DirectKafkaStreamSuite$$anonfun$5.org$apache$spark$streaming$kafka$DirectKafkaStreamSuite$$anonfun$$sendDataAndWaitForReceive$1(DirectKafkaStreamSuite.scala:249)
at 
org.apache.spark.streaming.kafka.DirectKafkaStreamSuite$$anonfun$5.apply$mcV$sp(DirectKafkaStreamSuite.scala:310)
at 
org.apache.spark.streaming.kafka.DirectKafkaStreamSuite$$anonfun$5.apply(DirectKafkaStreamSuite.scala:235)
at 
org.apache.spark.streaming.kafka.DirectKafkaStreamSuite$$anonfun$5.apply(DirectKafkaStreamSuite.scala:235)
```
Not sure if the test failure in build #48288 was related.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-24 Thread tedyu
Github user tedyu commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167079477
  
Jenkins, test this please


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48372722
  
--- Diff: 
core/src/test/scala/org/apache/spark/serializer/KryoSerializerSuite.scala ---
@@ -154,6 +155,19 @@ class KryoSerializerSuite extends SparkFunSuite with 
SharedSparkContext {
   mutable.HashMap(1 -> "one", 2 -> "two", 3 -> "three")))
   }
 
+  test("Bug: SPARK-12415") {
+val ser = new 
KryoSerializer(conf.clone.set("spark.kryo.registrationRequired", "true"))
+  .newInstance()
+def check[T: ClassTag](t: T) {
+  val ret = ser.deserialize[T](ser.serialize(t))
+  assert(ret.equals(t), "Deser " + ret + " orig " + t)
--- End diff --

Nit: Use `==` insead


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread andrewor14
Github user andrewor14 commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48371027
  
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala 
---
@@ -46,6 +46,26 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, 
var accumUpdates: Map[Long
 
   def this() = this(null.asInstanceOf[ByteBuffer], null, null)
 
+  override def toString: String = valueBytes.toString + " " + accumUpdates 
+ " " + metrics
+
+  override def equals(other: Any): Boolean = other match {
+case that: DirectTaskResult[_] => {
+  if (!this.valueBytes.equals(that.valueBytes)) return false
+
+  val accumSize = if (accumUpdates != null) accumUpdates.size else 0
+  val thatAccumSize = if (that.accumUpdates != null) 
that.accumUpdates.size else 0
+  if (accumSize != thatAccumSize) return false
+  if (accumSize > 0) {
+val b = this.accumUpdates.keys.forall { key =>
+  this.accumUpdates.get(key) == that.accumUpdates.get(key)
+}
+if (!b) return false;
+  }
+  this.metrics.equals(that.metrics)
+}
--- End diff --

similarly, this can be simplified
```
val accumEquals =
  if (accumUpdates != null) {
accumUpdates.keys.forall { k => accumUpdates.get(k) == 
that.accumUpdates.get(k) }
  } else {
that.accumUpdates == null
  }
  valueBytes.equals(that.valueBytes) &&
  metrics.equals(that.metrics) &&
  accumEquals
```


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread andrewor14
Github user andrewor14 commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48370672
  
--- Diff: core/src/main/scala/org/apache/spark/executor/TaskMetrics.scala 
---
@@ -215,6 +215,19 @@ class TaskMetrics extends Serializable {
 inputMetrics.foreach(_.updateBytesRead())
   }
 
+  override def equals(other: Any): Boolean = other match {
+case that: TaskMetrics => {
+  if (this.executorDeserializeTime != that.executorDeserializeTime) 
return false
+  if (this.executorRunTime != that.executorRunTime) return false
+  if (this.resultSize != that.resultSize) return false
+  if (this.jvmGCTime != that.jvmGCTime) return false
+  if (this.resultSerializationTime != that.resultSerializationTime) 
return false
+  if (this.hostname == null && that.hostname != null) return false
+  if (this.hostname != null) this.hostname.equals(that.hostname) else 
true
+}
--- End diff --

it would be better if this looked like:
```
this.executorDeserializeTime == that.executorDeserializeTime &&
this.executorRunTime == that.executorRunTime &&
...
this.hostname == that.hostname
```
no need to check `equals` here because we're in scala


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48372093
  
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala 
---
@@ -46,6 +46,26 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, 
var accumUpdates: Map[Long
 
   def this() = this(null.asInstanceOf[ByteBuffer], null, null)
 
+  override def toString: String = valueBytes.toString + " " + accumUpdates 
+ " " + metrics
+
+  override def equals(other: Any): Boolean = other match {
+case that: DirectTaskResult[_] => {
+  if (!this.valueBytes.equals(that.valueBytes)) return false
+
+  val accumSize = if (accumUpdates != null) accumUpdates.size else 0
+  val thatAccumSize = if (that.accumUpdates != null) 
that.accumUpdates.size else 0
+  if (accumSize != thatAccumSize) return false
+  if (accumSize > 0) {
+val b = this.accumUpdates.keys.forall { key =>
--- End diff --

Why compare two Maps manually? I think `Map` already implements `equals`. 
Right?


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48372644
  
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala 
---
@@ -46,6 +46,26 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, 
var accumUpdates: Map[Long
 
   def this() = this(null.asInstanceOf[ByteBuffer], null, null)
 
+  override def toString: String = valueBytes.toString + " " + accumUpdates 
+ " " + metrics
+
+  override def equals(other: Any): Boolean = other match {
+case that: DirectTaskResult[_] => {
+  if (!this.valueBytes.equals(that.valueBytes)) return false
+
+  val accumSize = if (accumUpdates != null) accumUpdates.size else 0
+  val thatAccumSize = if (that.accumUpdates != null) 
that.accumUpdates.size else 0
+  if (accumSize != thatAccumSize) return false
+  if (accumSize > 0) {
+val b = this.accumUpdates.keys.forall { key =>
+  this.accumUpdates.get(key) == that.accumUpdates.get(key)
+}
+if (!b) return false;
+  }
+  this.metrics.equals(that.metrics)
+}
--- End diff --

Also use `==` instead of `equals`.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread andrewor14
Github user andrewor14 commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-166972579
  
The rest of it looks OK. @zsxwing can you take another pass?


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread andrewor14
Github user andrewor14 commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48371257
  
--- Diff: 
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -109,6 +111,9 @@ class KryoSerializer(conf: SparkConf)
 kryo.register(classOf[SerializableJobConf], new KryoJavaSerializer())
 kryo.register(classOf[HttpBroadcast[_]], new KryoJavaSerializer())
 kryo.register(classOf[PythonBroadcast], new KryoJavaSerializer())
+kryo.register(classOf[TaskMetrics], new KryoJavaSerializer())
+kryo.register(classOf[DirectTaskResult[_]], new KryoJavaSerializer())
+kryo.register(classOf[IndirectTaskResult[_]], new KryoJavaSerializer())
--- End diff --

FYI, each of these calls is actually somewhat expensive. We create 
thousands of new Kryo serializer instances because we don't reuse them and so 
we end up calling `register` here many times. There is an outstanding issue 
[SPARK-12473](https://issues.apache.org/jira/browse/SPARK-12473) to resolve 
this, but until that is fixed this commit will likely cause minor performance 
regressions.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread andrewor14
Github user andrewor14 commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48389119
  
--- Diff: core/src/main/scala/org/apache/spark/executor/TaskMetrics.scala 
---
@@ -215,6 +215,18 @@ class TaskMetrics extends Serializable {
 inputMetrics.foreach(_.updateBytesRead())
   }
 
+  override def equals(other: Any): Boolean = other match {
--- End diff --

yeah, that would be preferable actually. In the future if we add more 
fields to `TaskMetrics` we might forget to add it to `equals`


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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https://github.com/apache/spark/pull/10368#issuecomment-167022107
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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https://github.com/apache/spark/pull/10368#issuecomment-167022108
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167022099
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread andrewor14
Github user andrewor14 commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48389780
  
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala 
---
@@ -46,6 +46,8 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, var 
accumUpdates: Map[Long
 
   def this() = this(null.asInstanceOf[ByteBuffer], null, null)
 
+  override def toString: String = valueBytes.toString + " " + accumUpdates 
+ " " + metrics
--- End diff --

This representation isn't really useful. It doesn't even tell you the task 
ID. I would just revert this change since it's unrelated and doesn't add much 
value.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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https://github.com/apache/spark/pull/10368#issuecomment-167039814
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
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https://github.com/apache/spark/pull/10368#issuecomment-167016754
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48389313
  
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala 
---
@@ -46,6 +46,8 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, var 
accumUpdates: Map[Long
 
   def this() = this(null.asInstanceOf[ByteBuffer], null, null)
 
+  override def toString: String = valueBytes.toString + " " + accumUpdates 
+ " " + metrics
--- End diff --

nit: remove this


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48389325
  
--- Diff: core/src/test/scala/org/apache/spark/HeartbeatReceiverSuite.scala 
---
@@ -220,7 +222,7 @@ class HeartbeatReceiverSuite
 } else {
   assert(!response.reregisterBlockManager)
   // Additionally verify that the scheduler callback is called with 
the correct parameters
-  verify(scheduler).executorHeartbeatReceived(
+  verify(scheduler, 
VerificationModeFactory.atLeast(1)).executorHeartbeatReceived(
--- End diff --

nit: revert changes to `HeartbeatReceiverSuite`.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167014071
  
LGTM except some nits. Thanks a lot for fixing this @tedyu 


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167014373
  
**[Test build #48269 has 
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/48269/consoleFull)**
 for PR 10368 at commit 
[`4b5657b`](https://github.com/apache/spark/commit/4b5657b25658d8e06021a55c48d0277d8a569ba3).


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread tedyu
Github user tedyu commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48389541
  
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala 
---
@@ -46,6 +46,8 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, var 
accumUpdates: Map[Long
 
   def this() = this(null.asInstanceOf[ByteBuffer], null, null)
 
+  override def toString: String = valueBytes.toString + " " + accumUpdates 
+ " " + metrics
--- End diff --

This would make String form of TaskResult more readable.
Can this be kept ?


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread tedyu
Github user tedyu commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167018650
  
Here was why I implemented equals for Map (from #48257):
{code}
[info] - Bug: SPARK-12415 *** FAILED *** (3 milliseconds)
[info]   java.nio.HeapByteBuffer[pos=0 lim=2 cap=2] null 
org.apache.spark.executor.TaskMetrics@60d6ae17 did not equal 
java.nio.HeapByteBuffer[pos=0 lim=2 cap=2] Map() 
org.apache.spark.executor.TaskMetrics@2122833f Deser 
java.nio.HeapByteBuffer[pos=0 lim=2 cap=2] null 
org.apache.spark.executor.TaskMetrics@60d6ae17 orig 
java.nio.HeapByteBuffer[pos=0 lim=2 cap=2] Map() 
org.apache.spark.executor.TaskMetrics@2122833f (KryoSerializerSuite.scala:163)
{code}
One Map was null and one Map was empty.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167030489
  
Test FAILed.
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167030479
  
**[Test build #48278 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/48278/consoleFull)**
 for PR 10368 at commit 
[`ac0199a`](https://github.com/apache/spark/commit/ac0199a11cfc885fa8f062e73b8c439bf9f3cab3).
 * This patch **fails to build**.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167030488
  
Merged build finished. Test FAILed.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-166999771
  
**[Test build #48257 has 
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 for PR 10368 at commit 
[`7cfde71`](https://github.com/apache/spark/commit/7cfde714ba2f7716ba2459f5165f44a254959237).


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48385365
  
--- Diff: core/src/main/scala/org/apache/spark/executor/TaskMetrics.scala 
---
@@ -215,6 +215,18 @@ class TaskMetrics extends Serializable {
 inputMetrics.foreach(_.updateBytesRead())
   }
 
+  override def equals(other: Any): Boolean = other match {
--- End diff --

This is not a correct `equals`. There are other fields in `TaskMetrics`. To 
make `TaskMetrics.equals` work, there are also other classes need to be 
updated. Instead, could you just manually compare fields of DirectTaskResult in 
the tests rather than adding an incorrect `equals`? 


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread zsxwing
Github user zsxwing commented on a diff in the pull request:

https://github.com/apache/spark/pull/10368#discussion_r48384718
  
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskResult.scala 
---
@@ -46,6 +46,23 @@ class DirectTaskResult[T](var valueBytes: ByteBuffer, 
var accumUpdates: Map[Long
 
   def this() = this(null.asInstanceOf[ByteBuffer], null, null)
 
+  override def toString: String = valueBytes.toString + " " + accumUpdates 
+ " " + metrics
+
+  override def equals(other: Any): Boolean = other match {
+case that: DirectTaskResult[_] => {
+  val accumEquals =
+if (accumUpdates != null) {
+  accumUpdates.keys.forall { k => accumUpdates.get(k) == 
that.accumUpdates.get(k) }
+} else {
+  that.accumUpdates == null
+}
+  valueBytes == that.valueBytes &&
+  metrics == that.metrics &&
+  accumEquals
--- End diff --

We can just use `accumUpdates == that.accumUpdates` here.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167047677
  
**[Test build #48288 has 
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 for PR 10368 at commit 
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread tedyu
Github user tedyu commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167046527
  
Jenkins, test this please


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread tedyu
Github user tedyu commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167046506
  
```
[info] PostgresIntegrationSuite:
[info] Exception encountered when attempting to run a suite with class 
name: org.apache.spark.sql.jdbc.PostgresIntegrationSuite *** ABORTED *** (9 
seconds, 292 milliseconds)
[info]   com.spotify.docker.client.DockerRequestException: Request error: 
POST 
unix://localhost:80/containers/bc67f5d74a6cfb298d238cbc53eb6540564c4e642ac630e6448da4dd0871fc37/start:
 500
[info]   at 
com.spotify.docker.client.DefaultDockerClient.propagate(DefaultDockerClient.java:1133)
[info]   at 
com.spotify.docker.client.DefaultDockerClient.request(DefaultDockerClient.java:1104)
[info]   at 
com.spotify.docker.client.DefaultDockerClient.startContainer(DefaultDockerClient.java:401)
```
Don't think the above was related to this PR


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167061036
  
**[Test build #48288 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/48288/consoleFull)**
 for PR 10368 at commit 
[`a4173eb`](https://github.com/apache/spark/commit/a4173ebf248617fd16864df156516e6c038a09a1).
 * This patch **fails Spark unit tests**.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167061069
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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https://github.com/apache/spark/pull/10368#issuecomment-167044665
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-167044643
  
**[Test build #48283 has 
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 for PR 10368 at commit 
[`a4173eb`](https://github.com/apache/spark/commit/a4173ebf248617fd16864df156516e6c038a09a1).
 * This patch **fails Spark unit tests**.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread AmplabJenkins
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https://github.com/apache/spark/pull/10368#issuecomment-167044664
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-23 Thread AmplabJenkins
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https://github.com/apache/spark/pull/10368#issuecomment-167061071
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-21 Thread tedyu
Github user tedyu commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-166387628
  
@andrewor14 @zsxwing 
Please take another look.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-21 Thread AmplabJenkins
Github user AmplabJenkins commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-166387458
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-21 Thread AmplabJenkins
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https://github.com/apache/spark/pull/10368#issuecomment-166387455
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-21 Thread SparkQA
Github user SparkQA commented on the pull request:

https://github.com/apache/spark/pull/10368#issuecomment-166387289
  
**[Test build #48119 has 
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 for PR 10368 at commit 
[`bc7699c`](https://github.com/apache/spark/commit/bc7699cc2793aeaa74f6a51bd8518dc91f327999).
 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-21 Thread SparkQA
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https://github.com/apache/spark/pull/10368#issuecomment-166358855
  
**[Test build #48119 has 
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-21 Thread AmplabJenkins
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https://github.com/apache/spark/pull/10368#issuecomment-166358959
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-21 Thread AmplabJenkins
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https://github.com/apache/spark/pull/10368#issuecomment-166358956
  
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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

2015-12-19 Thread tedyu
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Jenkins, test this please


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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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[GitHub] spark pull request: [SPARK-12415] Do not use closure serializer to...

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Jenkins, test this please


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