| Commit message (Collapse) | Author | Age | Files | Lines |
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## What changes were proposed in this pull request?
Since the opening curly brace, '{', has many usages as discussed in [SPARK-3854](https://issues.apache.org/jira/browse/SPARK-3854), this PR adds a ScalaStyle rule to prevent '){' pattern for the following majority pattern and fixes the code accordingly. If we enforce this in ScalaStyle from now, it will improve the Scala code quality and reduce review time.
```
// Correct:
if (true) {
println("Wow!")
}
// Incorrect:
if (true){
println("Wow!")
}
```
IntelliJ also shows new warnings based on this.
## How was this patch tested?
Pass the Jenkins ScalaStyle test.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11637 from dongjoon-hyun/SPARK-3854.
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## What changes were proposed in this pull request?
This pull request adds a python example for train validation split.
## How was this patch tested?
This was style tested through lint-python, generally tested with ./dev/run-tests, and run in notebook and shell environments. It was viewed in docs locally with jekyll serve.
This contribution is my original work and I license it to Spark under its open source license.
Author: JeremyNixon <jnixon2@gmail.com>
Closes #11547 from JeremyNixon/tvs_example.
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creation in Java code.
## What changes were proposed in this pull request?
In order to make `docs/examples` (and other related code) more simple/readable/user-friendly, this PR replaces existing codes like the followings by using `diamond` operator.
```
- final ArrayList<Product2<Object, Object>> dataToWrite =
- new ArrayList<Product2<Object, Object>>();
+ final ArrayList<Product2<Object, Object>> dataToWrite = new ArrayList<>();
```
Java 7 or higher supports **diamond** operator which replaces the type arguments required to invoke the constructor of a generic class with an empty set of type parameters (<>). Currently, Spark Java code use mixed usage of this.
## How was this patch tested?
Manual.
Pass the existing tests.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11541 from dongjoon-hyun/SPARK-13702.
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## What changes were proposed in this pull request?
This issue fixes the following potential bugs and Java coding style detected by Coverity and Checkstyle.
- Implement both null and type checking in equals functions.
- Fix wrong type casting logic in SimpleJavaBean2.equals.
- Add `implement Cloneable` to `UTF8String` and `SortedIterator`.
- Remove dereferencing before null check in `AbstractBytesToBytesMapSuite`.
- Fix coding style: Add '{}' to single `for` statement in mllib examples.
- Remove unused imports in `ColumnarBatch` and `JavaKinesisStreamSuite`.
- Remove unused fields in `ChunkFetchIntegrationSuite`.
- Add `stop()` to prevent resource leak.
Please note that the last two checkstyle errors exist on newly added commits after [SPARK-13583](https://issues.apache.org/jira/browse/SPARK-13583).
## How was this patch tested?
manual via `./dev/lint-java` and Coverity site.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11530 from dongjoon-hyun/SPARK-13692.
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## What changes were proposed in this pull request?
Added the conversion to int for the 'happiness value' read from the file. Otherwise, later on line 75 the multiplication will multiply a string by a number, yielding values like "-2-2" instead of -4.
## How was this patch tested?
Tested manually.
Author: Yury Liavitski <seconds.before@gmail.com>
Author: Yury Liavitski <yury.liavitski@il111.ice.local>
Closes #11540 from heliocentrist/fix-sentiment-value-type.
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## What changes were proposed in this pull request?
This PR fixes typos in comments and testcase name of code.
## How was this patch tested?
manual.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11481 from dongjoon-hyun/minor_fix_typos_in_code.
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include_example
Replace example code in mllib-clustering.md using include_example
https://issues.apache.org/jira/browse/SPARK-13013
The example code in the user guide is embedded in the markdown and hence it is not easy to test. It would be nice to automatically test them. This JIRA is to discuss options to automate example code testing and see what we can do in Spark 1.6.
Goal is to move actual example code to spark/examples and test compilation in Jenkins builds. Then in the markdown, we can reference part of the code to show in the user guide. This requires adding a Jekyll tag that is similar to https://github.com/jekyll/jekyll/blob/master/lib/jekyll/tags/include.rb, e.g., called include_example.
`{% include_example scala/org/apache/spark/examples/mllib/KMeansExample.scala %}`
Jekyll will find `examples/src/main/scala/org/apache/spark/examples/mllib/KMeansExample.scala` and pick code blocks marked "example" and replace code block in
`{% highlight %}`
in the markdown.
See more sub-tasks in parent ticket: https://issues.apache.org/jira/browse/SPARK-11337
Author: Xin Ren <iamshrek@126.com>
Closes #11116 from keypointt/SPARK-13013.
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## What changes were proposed in this pull request?
After SPARK-6990, `dev/lint-java` keeps Java code healthy and helps PR review by saving much time.
This issue aims remove unused imports from Java/Scala code and add `UnusedImports` checkstyle rule to help developers.
## How was this patch tested?
```
./dev/lint-java
./build/sbt compile
```
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11438 from dongjoon-hyun/SPARK-13583.
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## What changes were proposed in this pull request?
Make some cross-cutting code improvements according to static analysis. These are individually up for discussion since they exist in separate commits that can be reverted. The changes are broadly:
- Inner class should be static
- Mismatched hashCode/equals
- Overflow in compareTo
- Unchecked warnings
- Misuse of assert, vs junit.assert
- get(a) + getOrElse(b) -> getOrElse(a,b)
- Array/String .size -> .length (occasionally, -> .isEmpty / .nonEmpty) to avoid implicit conversions
- Dead code
- tailrec
- exists(_ == ) -> contains find + nonEmpty -> exists filter + size -> count
- reduce(_+_) -> sum map + flatten -> map
The most controversial may be .size -> .length simply because of its size. It is intended to avoid implicits that might be expensive in some places.
## How was the this patch tested?
Existing Jenkins unit tests.
Author: Sean Owen <sowen@cloudera.com>
Closes #11292 from srowen/SPARK-13423.
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## What changes were proposed in this pull request?
#11479 [SPARK-13627] broke 2.10 compatibility: [2.10-Build](https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Compile/job/spark-master-compile-maven-scala-2.10/292/console)
At this moment, we need to support both 2.10 and 2.11.
This PR recovers some deprecated methods which were replace by [SPARK-13627].
## How was this patch tested?
Jenkins build: Both 2.10, 2.11.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11488 from dongjoon-hyun/hotfix_compatibility_with_2.10.
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## What changes were proposed in this pull request?
This PR aims to fix the following deprecation warnings.
* MethodSymbolApi.paramss--> paramLists
* AnnotationApi.tpe -> tree.tpe
* BufferLike.readOnly -> toList.
* StandardNames.nme -> termNames
* scala.tools.nsc.interpreter.AbstractFileClassLoader -> scala.reflect.internal.util.AbstractFileClassLoader
* TypeApi.declarations-> decls
## How was this patch tested?
Check the compile build log and pass the tests.
```
./build/sbt
```
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11479 from dongjoon-hyun/SPARK-13627.
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## What changes were proposed in this pull request?
Twitter Algebird deprecated `apply` in HyperLogLog.scala.
```
deprecated("Use toHLL", since = "0.10.0 / 2015-05")
def apply[T <% Array[Byte]](t: T) = create(t)
```
This PR replace the deprecated usage `apply` with new `create`
according to the upstream change.
## How was this patch tested?
manual.
```
/bin/spark-submit --class org.apache.spark.examples.streaming.TwitterAlgebirdHLL examples/target/scala-2.11/spark-examples-2.0.0-SNAPSHOT-hadoop2.2.0.jar
```
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11451 from dongjoon-hyun/replace_deprecated_hll_apply.
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JIRA: https://issues.apache.org/jira/browse/SPARK-13550
## What changes were proposed in this pull request?
Just add a java example for ml.clustering.BisectingKMeans
## How was this patch tested?
manual tests were done.
(If this patch involves UI changes, please attach a screenshot; otherwise, remove this)
Author: Zheng RuiFeng <ruifengz@foxmail.com>
Closes #11428 from zhengruifeng/ml_bkm_je.
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mllib.JavaBisectingKMeansExample
JIRA: https://issues.apache.org/jira/browse/SPARK-13551
## What changes were proposed in this pull request?
Fix wrong comment and remove meanless lines in mllib.JavaBisectingKMeansExample
## How was this patch tested?
manual test
Author: Zheng RuiFeng <ruifengz@foxmail.com>
Closes #11429 from zhengruifeng/mllib_bkm_je.
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include_example
## What changes were proposed in this pull request?
This PR replaces example codes in `mllib-linear-methods.md` using `include_example`
by doing the followings:
* Extracts the example codes(Scala,Java,Python) as files in `example` module.
* Merges some dialog-style examples into a single file.
* Hide redundant codes in HTML for the consistency with other docs.
## How was the this patch tested?
manual test.
This PR can be tested by document generations, `SKIP_API=1 jekyll build`.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #11320 from dongjoon-hyun/SPARK-11381.
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## What changes were proposed in this pull request?
This is another try of PR #11323.
This PR removes DataFrame RDD operations except for `foreach` and `foreachPartitions` (they are actions rather than transformations). Original calls are now replaced by calls to methods of `DataFrame.rdd`.
PR #11323 was reverted because it introduced a regression: both `DataFrame.foreach` and `DataFrame.foreachPartitions` wrap underlying RDD operations with `withNewExecutionId` to track Spark jobs. But they are removed in #11323.
## How was the this patch tested?
No extra tests are added. Existing tests should do the work.
Author: Cheng Lian <lian@databricks.com>
Closes #11388 from liancheng/remove-df-rdd-ops.
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This reverts commit 157fe64f3ecbd13b7286560286e50235eecfe30e.
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## What changes were proposed in this pull request?
This PR removes DataFrame RDD operations. Original calls are now replaced by calls to methods of `DataFrame.rdd`.
## How was the this patch tested?
No extra tests are added. Existing tests should do the work.
Author: Cheng Lian <lian@databricks.com>
Closes #11323 from liancheng/remove-df-rdd-ops.
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This pull request uses {%include_example%} to add an example for the python cross validator to ml-guide.
Author: JeremyNixon <jnixon2@gmail.com>
Closes #11240 from JeremyNixon/pipeline_include_example.
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after loading it
Refine naive Bayes example by checking model after loading it
Author: movelikeriver <mars.lenjoy@gmail.com>
Closes #11125 from movelikeriver/naive_bayes.
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include_example
Replaced example code in ml-guide.md using include_example
Author: Devaraj K <devaraj@apache.org>
Closes #11053 from devaraj-kavali/SPARK-13012.
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mllib-dimensionality-reduction.md using include_example
Replaced example example code in mllib-dimensionality-reduction.md using
include_example
Author: Devaraj K <devaraj@apache.org>
Closes #11132 from devaraj-kavali/SPARK-13016.
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Remove deprecated Streaming APIs and adjust sample applications.
Author: Luciano Resende <lresende@apache.org>
Closes #11139 from lresende/streaming-deprecated-apis.
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https://issues.apache.org/jira/browse/SPARK-12953
fix error when run RDDRelation.main():
"path file:/Users/sjk/pair.parquet already exists"
Set DataFrameWriter's mode to SaveMode.Overwrite
Author: shijinkui <shijinkui666@163.com>
Closes #10864 from shijinkui/set_mode.
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filtering in general
This documents the implementation of ALS in `spark.ml` with example code in scala, java and python.
Author: BenFradet <benjamin.fradet@gmail.com>
Closes #10411 from BenFradet/SPARK-12247.
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include_example
Replace example code in mllib-pmml-model-export.md using include_example
https://issues.apache.org/jira/browse/SPARK-13018
The example code in the user guide is embedded in the markdown and hence it is not easy to test. It would be nice to automatically test them. This JIRA is to discuss options to automate example code testing and see what we can do in Spark 1.6.
Goal is to move actual example code to spark/examples and test compilation in Jenkins builds. Then in the markdown, we can reference part of the code to show in the user guide. This requires adding a Jekyll tag that is similar to https://github.com/jekyll/jekyll/blob/master/lib/jekyll/tags/include.rb, e.g., called include_example.
`{% include_example scala/org/apache/spark/examples/mllib/PMMLModelExportExample.scala %}`
Jekyll will find `examples/src/main/scala/org/apache/spark/examples/mllib/PMMLModelExportExample.scala` and pick code blocks marked "example" and replace code block in
`{% highlight %}`
in the markdown.
See more sub-tasks in parent ticket: https://issues.apache.org/jira/browse/SPARK-11337
Author: Xin Ren <iamshrek@126.com>
Closes #11126 from keypointt/SPARK-13018.
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JIRA: https://issues.apache.org/jira/browse/SPARK-12363
This issue is pointed by yanboliang. When `setRuns` is removed from PowerIterationClustering, one of the tests will be failed. I found that some `dstAttr`s of the normalized graph are not correct values but 0.0. By setting `TripletFields.All` in `mapTriplets` it can work.
Author: Liang-Chi Hsieh <viirya@gmail.com>
Author: Xiangrui Meng <meng@databricks.com>
Closes #10539 from viirya/fix-poweriter.
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deprecated
Replace SynchronizeQueue with synchronized access to a Queue
Author: Sean Owen <sowen@cloudera.com>
Closes #11111 from srowen/SPARK-13170.
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low level linked list as it is deprecated.
Author: sachin aggarwal <different.sachin@gmail.com>
Closes #11113 from agsachin/master.
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inconsistent with Scala's Iterator->Iterator
Fix Java function API methods for flatMap and mapPartitions to require producing only an Iterator, not Iterable. Also fix DStream.flatMap to require a function producing TraversableOnce only, not Traversable.
CC rxin pwendell for API change; tdas since it also touches streaming.
Author: Sean Owen <sowen@cloudera.com>
Closes #10413 from srowen/SPARK-3369.
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Without importing the print_function, the lines later on like ```print("Usage: direct_kafka_wordcount.py <broker_list> <topic>", file=sys.stderr)``` fail when using python2.*. Import fixes that problem and doesn't break anything on python3 either.
Author: Mark Grover <mark@apache.org>
Closes #10872 from markgrover/python2_compat.
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Include the following changes:
1. Add "streaming-akka" project and org.apache.spark.streaming.akka.AkkaUtils for creating an actorStream
2. Remove "StreamingContext.actorStream" and "JavaStreamingContext.actorStream"
3. Update the ActorWordCount example and add the JavaActorWordCount example
4. Make "streaming-zeromq" depend on "streaming-akka" and update the codes accordingly
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #10744 from zsxwing/streaming-akka-2.
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This pull request removes the external block store API. This is rarely used, and the file system interface is actually a better, more standard way to interact with external storage systems.
There are some other things to remove also, as pointed out by JoshRosen. We will do those as follow-up pull requests.
Author: Reynold Xin <rxin@databricks.com>
Closes #10752 from rxin/remove-offheap.
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Author: Reynold Xin <rxin@databricks.com>
Closes #10764 from rxin/SPARK-12830.
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before "," or ":")
Fix the style violation (space before , and :).
This PR is a followup for #10643.
Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>
Closes #10685 from sarutak/SPARK-12692-followup-streaming.
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single instance predict/predictSoft
PySpark MLlib ```GaussianMixtureModel``` should support single instance ```predict/predictSoft``` just like Scala do.
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #10552 from yanboliang/spark-12603.
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According to the documentation the sortByKey method does not take a lambda as an argument, thus the example is flawed. Removed the argument completely as this will default to ascending sort.
Author: Udo Klein <git@blinkenlight.net>
Closes #10640 from udoklein/patch-1.
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before "," or ":")
Fix the style violation (space before , and :).
This PR is a followup for #10643.
Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>
Closes #10684 from sarutak/SPARK-12692-followup-mllib.
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Replace Guava `Optional` with (an API clone of) Java 8 `java.util.Optional` (edit: and a clone of Guava `Optional`)
See also https://github.com/apache/spark/pull/10512
Author: Sean Owen <sowen@cloudera.com>
Closes #10513 from srowen/SPARK-4819.
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Author: Udo Klein <git@blinkenlight.net>
Closes #10642 from udoklein/patch-2.
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Fix most build warnings: mostly deprecated API usages. I'll annotate some of the changes below. CC rxin who is leading the charge to remove the deprecated APIs.
Author: Sean Owen <sowen@cloudera.com>
Closes #10570 from srowen/SPARK-12618.
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This PR includes the following changes:
1. Rename `ActorReceiver` to `ActorReceiverSupervisor`
2. Remove `ActorHelper`
3. Add a new `ActorReceiver` for Scala and `JavaActorReceiver` for Java
4. Add `JavaActorWordCount` example
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #10457 from zsxwing/java-actor-stream.
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Author: Jacek Laskowski <jacek@japila.pl>
Closes #10603 from jaceklaskowski/streaming-actor-custom-receiver.
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I looked at each case individually and it looks like they can all be removed. The only one that I had to think twice was toArray (I even thought about un-deprecating it, until I realized it was a problem in Java to have toArray returning java.util.List).
Author: Reynold Xin <rxin@databricks.com>
Closes #10569 from rxin/SPARK-12615.
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Author: Marcelo Vanzin <vanzin@cloudera.com>
Closes #10575 from vanzin/SPARK-3873-examples.
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and reflection that supported 1.x
Remove use of deprecated Hadoop APIs now that 2.2+ is required
Author: Sean Owen <sowen@cloudera.com>
Closes #10446 from srowen/SPARK-12481.
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We switched to TorrentBroadcast in Spark 1.1, and HttpBroadcast has been undocumented since then. It's time to remove it in Spark 2.0.
Author: Reynold Xin <rxin@databricks.com>
Closes #10531 from rxin/SPARK-12588.
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Streaming
This PR adds Scala, Java and Python examples to show how to use Accumulator and Broadcast in Spark Streaming to support checkpointing.
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #10385 from zsxwing/accumulator-broadcast-example.
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sentiment values
Example of joining a static RDD of word sentiments to a streaming RDD of Tweets in order to demo the usage of the transform() method.
Author: Jeff L <sha0lin@alumni.carnegiemellon.edu>
Closes #8431 from Agent007/SPARK-9057.
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String.split accepts a regular expression, so we should escape "." and "|".
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #10361 from zsxwing/reg-bug.
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