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* [SPARK-13988][CORE] Make replaying event logs multi threaded in Histo…ry ↵Parth Brahmbhatt2016-04-211-0/+7
| | | | | | | | | | | | | | server to ensure a single large log does not block other logs from being rendered. ## What changes were proposed in this pull request? The patch makes event log processing multi threaded. ## How was this patch tested? Existing tests pass, there is no new tests needed to test the functionality as this is a perf improvement. I tested the patch locally by generating one big event log (big1), one small event log(small1) and again a big event log(big2). Without this patch UI does not render any app for almost 30 seconds and then big2 and small1 appears. another 30 second delay and finally big1 also shows up in UI. With this change small1 shows up immediately and big1 and big2 comes up in 30 seconds. Locally it also displays them in the correct order in the UI. Author: Parth Brahmbhatt <pbrahmbhatt@netflix.com> Closes #11800 from Parth-Brahmbhatt/SPARK-13988.
* [SPARK-14742][DOCS] Redirect spark-ec2 doc to new locationSean Owen2016-04-201-0/+7
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? Restore `ec2-scripts.md` as a redirect to amplab/spark-ec2 docs ## How was this patch tested? `jekyll build` and checked with the browser Author: Sean Owen <sowen@cloudera.com> Closes #12534 from srowen/SPARK-14742.
* [SPARK-14635][ML] Documentation and Examples for TF-IDF only refer to HashingTFYuhao Yang2016-04-201-3/+12
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? Currently, the docs for TF-IDF only refer to using HashingTF with IDF. However, CountVectorizer can also be used. We should probably amend the user guide and examples to show this. ## How was this patch tested? unit tests and doc generation Author: Yuhao Yang <hhbyyh@gmail.com> Closes #12454 from hhbyyh/tfdoc.
* [SPARK-14667] Remove HashShuffleManagerReynold Xin2016-04-181-9/+0
| | | | | | | | | | | | ## What changes were proposed in this pull request? The sort shuffle manager has been the default since Spark 1.2. It is time to remove the old hash shuffle manager. ## How was this patch tested? Removed some tests related to the old manager. Author: Reynold Xin <rxin@databricks.com> Closes #12423 from rxin/SPARK-14667.
* [SPARK-14515][DOC] Add python example for ChiSqSelectorZheng RuiFeng2016-04-181-0/+8
| | | | | | | | | | | | ## What changes were proposed in this pull request? Add the missing python example for ChiSqSelector ## How was this patch tested? manual tests Author: Zheng RuiFeng <ruifengz@foxmail.com> Closes #12283 from zhengruifeng/chi2_pe.
* [SPARK-14601][DOC] Minor doc/usage changes related to removal of Spark assemblyMark Grover2016-04-142-3/+3
| | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Removing references to assembly jar in documentation. Adding an additional (previously undocumented) usage of spark-submit to run examples. ## How was this patch tested? Ran spark-submit usage to ensure formatting was fine. Ran examples using SparkSubmit. Author: Mark Grover <mark@apache.org> Closes #12365 from markgrover/spark-14601.
* [SPARK-14572][DOC] Update config docs to allow -Xms in extraJavaOptionsDhruve Ashar2016-04-142-5/+10
| | | | | | | | | | | | ## What changes were proposed in this pull request? The configuration docs are updated to reflect the changes introduced with [SPARK-12384](https://issues.apache.org/jira/browse/SPARK-12384). This allows the user to specify initial heap memory settings through the extraJavaOptions for executor, driver and am. ## How was this patch tested? The changes are tested in [SPARK-12384](https://issues.apache.org/jira/browse/SPARK-12384). This is just documenting the changes made. Author: Dhruve Ashar <dhruveashar@gmail.com> Closes #12333 from dhruve/doc/SPARK-14572.
* [SPARK-13089][ML] [Doc] spark.ml Naive Bayes user guide and examplesYuhao Yang2016-04-131-0/+34
| | | | | | | | | | jira: https://issues.apache.org/jira/browse/SPARK-13089 Add section in ml-classification.md for NaiveBayes DataFrame-based API, plus example code (using include_example to clip code from examples/ folder files). Author: Yuhao Yang <hhbyyh@gmail.com> Closes #11015 from hhbyyh/naiveBayesDoc.
* [SPARK-14509][DOC] Add python CountVectorizerExampleZheng RuiFeng2016-04-131-0/+9
| | | | | | | | | | | | ## What changes were proposed in this pull request? Add python CountVectorizerExample ## How was this patch tested? manual tests Author: Zheng RuiFeng <ruifengz@foxmail.com> Closes #11917 from zhengruifeng/cv_pe.
* [MINOR][DOCS] Fix wrong data types in JSON Datasets example.Dongjoon Hyun2016-04-111-4/+4
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? This PR fixes the `age` data types from `integer` to `long` in `SQL Programming Guide: JSON Datasets`. ## How was this patch tested? Manual. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #12290 from dongjoon-hyun/minor_fix_type_in_json_example.
* [SPARK-14339][DOC] Add python examples for DCT,MinMaxScaler,MaxAbsScalerZheng RuiFeng2016-04-091-0/+24
| | | | | | | | | | | | ## What changes were proposed in this pull request? add three python examples ## How was this patch tested? manual tests Author: Zheng RuiFeng <ruifengz@foxmail.com> Closes #12063 from zhengruifeng/dct_pe.
* [DOCS][MINOR] Remove sentence about Mesos not supporting cluster mode.Michael Gummelt2016-04-071-2/+1
| | | | | | | | | | Docs change to remove the sentence about Mesos not supporting cluster mode. It was not. Author: Michael Gummelt <mgummelt@mesosphere.io> Closes #12249 from mgummelt/fix-mesos-cluster-docs.
* Better host description for multi-master mesosMalte2016-04-071-1/+1
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? Since not having the correct zk url causes job failure, the documentation should include all parameters ## How was this patch tested? no tests necessary Author: Malte <elmalto@users.noreply.github.com> Closes #12218 from elmalto/patch-1.
* [SPARK-10063][SQL] Remove DirectParquetOutputCommitterReynold Xin2016-04-071-33/+0
| | | | | | | | | | | | ## What changes were proposed in this pull request? This patch removes DirectParquetOutputCommitter. This was initially created by Databricks as a faster way to write Parquet data to S3. However, given how the underlying S3 Hadoop implementation works, this committer only works when there are no failures. If there are multiple attempts of the same task (e.g. speculation or task failures or node failures), the output data can be corrupted. I don't think this performance optimization outweighs the correctness issue. ## How was this patch tested? Removed the related tests also. Author: Reynold Xin <rxin@databricks.com> Closes #12229 from rxin/SPARK-10063.
* [SPARK-14424][BUILD][DOCS] Update the build docs to switch from assembly to ↵Holden Karau2016-04-061-10/+3
| | | | | | | | | | | | | | | | | package and add a no… ## What changes were proposed in this pull request? Change our build docs & shell scripts to that developers are aware of the change from "assembly" to "package" ## How was this patch tested? Manually ran ./bin/spark-shell after ./build/sbt assembly and verified error message printed, ran new suggested build target and verified ./bin/spark-shell runs after this. Author: Holden Karau <holden@pigscanfly.ca> Author: Holden Karau <holden@us.ibm.com> Closes #12197 from holdenk/SPARK-1424-spark-class-broken-fix-build-docs.
* [SPARK-13063][YARN] Make the SPARK YARN STAGING DIR as configurableDevaraj K2016-04-051-0/+7
| | | | | | | | | | | | | ## What changes were proposed in this pull request? Made the SPARK YARN STAGING DIR as configurable with the configuration as 'spark.yarn.staging-dir'. ## How was this patch tested? I have verified it manually by running applications on yarn, If the 'spark.yarn.staging-dir' is configured then the value used as staging directory otherwise uses the default value i.e. file system’s home directory for the user. Author: Devaraj K <devaraj@apache.org> Closes #12082 from devaraj-kavali/SPARK-13063.
* [SPARK-13579][BUILD] Stop building the main Spark assembly.Marcelo Vanzin2016-04-041-6/+1
| | | | | | | | | | | | | | | | | | | | This change modifies the "assembly/" module to just copy needed dependencies to its build directory, and modifies the packaging script to pick those up (and remove duplicate jars packages in the examples module). I also made some minor adjustments to dependencies to remove some test jars from the final packaging, and remove jars that conflict with each other when packaged separately (e.g. servlet api). Also note that this change restores guava in applications' classpaths, even though it's still shaded inside Spark. This is now needed for the Hadoop libraries that are packaged with Spark, which now are not processed by the shade plugin. Author: Marcelo Vanzin <vanzin@cloudera.com> Closes #11796 from vanzin/SPARK-13579.
* [SPARK-14342][CORE][DOCS][TESTS] Remove straggler references to TachyonLiwei Lin2016-04-022-3/+3
| | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Straggler references to Tachyon were removed: - for docs, `tachyon` has been generalized as `off-heap memory`; - for Mesos test suits, the key-value `tachyon:true`/`tachyon:false` has been changed to `os:centos`/`os:ubuntu`, since `os` is an example constrain used by the [Mesos official docs](http://mesos.apache.org/documentation/attributes-resources/). ## How was this patch tested? Existing test suites. Author: Liwei Lin <lwlin7@gmail.com> Closes #12129 from lw-lin/tachyon-cleanup.
* [SPARK-12343][YARN] Simplify Yarn client and client argumentjerryshao2016-04-011-0/+7
| | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Currently in Spark on YARN, configurations can be passed through SparkConf, env and command arguments, some parts are duplicated, like client argument and SparkConf. So here propose to simplify the command arguments. ## How was this patch tested? This patch is tested manually with unit test. CC vanzin tgravescs , please help to suggest this proposal. The original purpose of this JIRA is to remove `ClientArguments`, through refactoring some arguments like `--class`, `--arg` are not so easy to replace, so here I remove the most part of command line arguments, only keep the minimal set. Author: jerryshao <sshao@hortonworks.com> Closes #11603 from jerryshao/SPARK-12343.
* [SPARK-14281][TESTS] Fix java8-tests and simplify their buildJosh Rosen2016-03-311-4/+4
| | | | | | | | This patch fixes a compilation / build break in Spark's `java8-tests` and refactors their POM to simplify the build. See individual commit messages for more details. Author: Josh Rosen <joshrosen@databricks.com> Closes #12073 from JoshRosen/fix-java8-tests.
* [Docs] Update monitoring.md to accurately describe the history serverMichael Gummelt2016-03-311-29/+29
| | | | | | | | | | | | | | It looks like the docs were recently updated to reflect the History Server's support for incomplete applications, but they still had wording that suggested only completed applications were viewable. This fixes that. My editor also introduced several whitespace removal changes, that I hope are OK, as text files shouldn't have trailing whitespace. To verify they're purely whitespace changes, add `&w=1` to your browser address. If this isn't acceptable, let me know and I'll update the PR. I also didn't think this required a JIRA. Let me know if I should create one. Not tested Author: Michael Gummelt <mgummelt@mesosphere.io> Closes #12045 from mgummelt/update-history-docs.
* [SPARK-13874][DOC] Remove docs of streaming-akka, streaming-zeromq, ↵Shixiong Zhu2016-03-261-54/+13
| | | | | | | | | | | | | | | | | | streaming-mqtt and streaming-twitter ## What changes were proposed in this pull request? This PR removes all docs about the old streaming-akka, streaming-zeromq, streaming-mqtt and streaming-twitter projects since I have already copied them to https://github.com/spark-packages Also remove mqtt_wordcount.py that I forgot to remove previously. ## How was this patch tested? Jenkins PR Build. Author: Shixiong Zhu <shixiong@databricks.com> Closes #11824 from zsxwing/remove-doc.
* [SPARK-13017][DOCS] Replace example code in mllib-feature-extraction.md ↵Xin Ren2016-03-241-361/+14
| | | | | | | | | | | | | | | | | | | | | using include_example Replace example code in mllib-feature-extraction.md using include_example https://issues.apache.org/jira/browse/SPARK-13017 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/TFIDFExample.scala %}` Jekyll will find `examples/src/main/scala/org/apache/spark/examples/mllib/TFIDFExample.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 #11142 from keypointt/SPARK-13017.
* [SPARK-13019][DOCS] fix for scala-2.10 build: Replace example code in ↵Xin Ren2016-03-241-382/+56
| | | | | | | | | | | | | | | | | | | | | | mllib-statistics.md using include_example ## What changes were proposed in this pull request? This PR for ticket SPARK-13019 is based on previous PR(https://github.com/apache/spark/pull/11108). Since PR(https://github.com/apache/spark/pull/11108) is breaking scala-2.10 build, more work is needed to fix build errors. What I did new in this PR is adding keyword argument for 'fractions': ` val approxSample = data.sampleByKey(withReplacement = false, fractions = fractions)` ` val exactSample = data.sampleByKeyExact(withReplacement = false, fractions = fractions)` I reopened ticket on JIRA but sorry I don't know how to reopen a GitHub pull request, so I just submitting a new pull request. ## How was this patch tested? Manual build testing on local machine, build based on scala-2.10. Author: Xin Ren <iamshrek@126.com> Closes #11901 from keypointt/SPARK-13019.
* Revert "[SPARK-13019][DOCS] Replace example code in mllib-statistics.md ↵Xiangrui Meng2016-03-211-56/+382
| | | | | | using include_example" This reverts commit 1af8de200c4d3357bcb09e7bbc6deece00e885f2.
* [SPARK-13019][DOCS] Replace example code in mllib-statistics.md using ↵Xin Ren2016-03-211-382/+56
| | | | | | | | | | | | | | | | | | | | include_example https://issues.apache.org/jira/browse/SPARK-13019 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/SummaryStatisticsExample.scala %}` Jekyll will find `examples/src/main/scala/org/apache/spark/examples/mllib/SummaryStatisticsExample.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 #11108 from keypointt/SPARK-13019.
* [MINOR][DOCS] Update build descriptions and commandsDongjoon Hyun2016-03-184-10/+13
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? This PR updates Scala and Hadoop versions in the build description and commands in `Building Spark` documents. ## How was this patch tested? N/A Author: Dongjoon Hyun <dongjoon@apache.org> Closes #11838 from dongjoon-hyun/fix_doc_building_spark.
* [MINOR][DOC] Add JavaStreamingTestExampleZheng RuiFeng2016-03-171-0/+7
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? Add the java example of StreamingTest ## How was this patch tested? manual tests in CLI: bin/run-example mllib.JavaStreamingTestExample dataDir 5 100 Author: Zheng RuiFeng <ruifengz@foxmail.com> Closes #11776 from zhengruifeng/streaming_je.
* [SPARK-12855][MINOR][SQL][DOC][TEST] remove spark.sql.dialect from doc and testDaoyuan Wang2016-03-161-7/+0
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? Since developer API of plug-able parser has been removed in #10801 , docs should be updated accordingly. ## How was this patch tested? This patch will not affect the real code path. Author: Daoyuan Wang <daoyuan.wang@intel.com> Closes #11758 from adrian-wang/spark12855.
* [SPARK-13942][CORE][DOCS] Remove Shark-related docs for 2.xDongjoon Hyun2016-03-161-45/+0
| | | | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? `Shark` was merged into `Spark SQL` since [July 2014](https://databricks.com/blog/2014/07/01/shark-spark-sql-hive-on-spark-and-the-future-of-sql-on-spark.html). The followings seem to be the only legacy. For Spark 2.x, we had better clean up those docs. **Migration Guide** ``` - ## Migration Guide for Shark Users - ... - ### Scheduling - ... - ### Reducer number - ... - ### Caching ``` ## How was this patch tested? Pass the Jenkins test. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #11770 from dongjoon-hyun/SPARK-13942.
* [SPARK-13888][DOC] Remove Akka Receiver doc and refer to the DStream Akka ↵Shixiong Zhu2016-03-142-78/+7
| | | | | | | | | | | | | | | | | | | | project ## What changes were proposed in this pull request? I have copied the docs of Streaming Akka to https://github.com/spark-packages/dstream-akka/blob/master/README.md So we can remove them from Spark now. ## How was this patch tested? Only document changes. (If this patch involves UI changes, please attach a screenshot; otherwise, remove this) Author: Shixiong Zhu <shixiong@databricks.com> Closes #11711 from zsxwing/remove-akka-doc.
* [MINOR][DOCS] Added Missing back slashesDaniel Santana2016-03-141-5/+5
| | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? When studying spark many users just copy examples on the documentation and paste on their terminals and because of that the missing backlashes lead them run into some shell errors. The added backslashes avoid that problem for spark users with that behavior. ## How was this patch tested? I generated the documentation locally using jekyll and checked the generated pages Author: Daniel Santana <mestresan@gmail.com> Closes #11699 from danielsan/master.
* [SPARK-13823][CORE][STREAMING][SQL] Always specify Charset in String <-> ↵Sean Owen2016-03-131-2/+4
| | | | | | | | | | | | | | | | | | | | byte[] conversions (and remaining Coverity items) ## What changes were proposed in this pull request? - Fixes calls to `new String(byte[])` or `String.getBytes()` that rely on platform default encoding, to use UTF-8 - Same for `InputStreamReader` and `OutputStreamWriter` constructors - Standardizes on UTF-8 everywhere - Standardizes specifying the encoding with `StandardCharsets.UTF-8`, not the Guava constant or "UTF-8" (which means handling `UnuspportedEncodingException`) - (also addresses the other remaining Coverity scan issues, which are pretty trivial; these are separated into commit https://github.com/srowen/spark/commit/1deecd8d9ca986d8adb1a42d315890ce5349d29c ) ## How was this patch tested? Jenkins tests Author: Sean Owen <sowen@cloudera.com> Closes #11657 from srowen/SPARK-13823.
* [SPARK-13577][YARN] Allow Spark jar to be multiple jars, archive.Marcelo Vanzin2016-03-111-7/+18
| | | | | | | | | | | | | | | | | | | | | | | | In preparation for the demise of assemblies, this change allows the YARN backend to use multiple jars and globs as the "Spark jar". The config option has been renamed to "spark.yarn.jars" to reflect that. A second option "spark.yarn.archive" was also added; if set, this takes precedence and uploads an archive expected to contain the jar files with the Spark code and its dependencies. Existing deployments should keep working, mostly. This change drops support for the "SPARK_JAR" environment variable, and also does not fall back to using "jarOfClass" if no configuration is set, falling back to finding files under SPARK_HOME instead. This should be fine since "jarOfClass" probably wouldn't work unless you were using spark-submit anyway. Tested with the unit tests, and trying the different config options on a YARN cluster. Author: Marcelo Vanzin <vanzin@cloudera.com> Closes #11500 from vanzin/SPARK-13577.
* [SPARK-13512][ML] add example and doc for MaxAbsScalerYuhao Yang2016-03-111-0/+32
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? jira: https://issues.apache.org/jira/browse/SPARK-13512 Add example and doc for ml.feature.MaxAbsScaler. ## How was this patch tested? unit tests Author: Yuhao Yang <hhbyyh@gmail.com> Closes #11392 from hhbyyh/maxabsdoc.
* [SPARK-13672][ML] Add python examples of BisectingKMeans in ML and MLLIBZheng RuiFeng2016-03-111-0/+6
| | | | | | | | | | | | | | | | JIRA: https://issues.apache.org/jira/browse/SPARK-13672 ## What changes were proposed in this pull request? add two python examples of BisectingKMeans for ml and mllib ## How was this patch tested? manual tests Author: Zheng RuiFeng <ruifengz@foxmail.com> Closes #11515 from zhengruifeng/mllib_bkm_pe.
* [MINOR][DOC] Fix supported hive version in docDongjoon Hyun2016-03-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Today, Spark 1.6.1 and updated docs are release. Unfortunately, there is obsolete hive version information on docs: [Building Spark](http://spark.apache.org/docs/latest/building-spark.html#building-with-hive-and-jdbc-support). This PR fixes the following two lines. ``` -By default Spark will build with Hive 0.13.1 bindings. +By default Spark will build with Hive 1.2.1 bindings. -# Apache Hadoop 2.4.X with Hive 13 support +# Apache Hadoop 2.4.X with Hive 1.2.1 support ``` `sql/README.md` file also describe ## How was this patch tested? Manual. (If this patch involves UI changes, please attach a screenshot; otherwise, remove this) Author: Dongjoon Hyun <dongjoon@apache.org> Closes #11639 from dongjoon-hyun/fix_doc_hive_version.
* [SPARK-13706][ML] Add Python Example for Train Validation SplitJeremyNixon2016-03-101-0/+4
| | | | | | | | | | | | | | | | ## 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.
* [SPARK-13492][MESOS] Configurable Mesos framework webui URL.Sergiusz Urbaniak2016-03-091-0/+16
| | | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Previously the Mesos framework webui URL was being derived only from the Spark UI address leaving no possibility to configure it. This commit makes it configurable. If unset it falls back to the previous behavior. Motivation: This change is necessary in order to be able to install Spark on DCOS and to be able to give it a custom service link. The configured `webui_url` is configured to point to a reverse proxy in the DCOS environment. ## How was this patch tested? Locally, using unit tests and on DCOS testing and stable revision. Author: Sergiusz Urbaniak <sur@mesosphere.io> Closes #11369 from s-urbaniak/sur-webui-url.
* [SPARK-13595][BUILD] Move docker, extras modules into externalSean Owen2016-03-091-5/+5
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? Move `docker` dirs out of top level into `external/`; move `extras/*` into `external/` ## How was this patch tested? This is tested with Jenkins tests. Author: Sean Owen <sowen@cloudera.com> Closes #11523 from srowen/SPARK-13595.
* [SPARK-13702][CORE][SQL][MLLIB] Use diamond operator for generic instance ↵Dongjoon Hyun2016-03-092-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | 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.
* [SPARK-13715][MLLIB] Remove last usages of jblas in testsSean Owen2016-03-081-1/+1
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? Remove last usage of jblas, in tests ## How was this patch tested? Jenkins tests -- the same ones that are being modified. Author: Sean Owen <sowen@cloudera.com> Closes #11560 from srowen/SPARK-13715.
* [SPARK-13596][BUILD] Move misc top-level build files into appropriate subdirsSean Owen2016-03-072-5/+5
| | | | | | | | | | | | | | | | ## What changes were proposed in this pull request? Move many top-level files in dev/ or other appropriate directory. In particular, put `make-distribution.sh` in `dev` and update docs accordingly. Remove deprecated `sbt/sbt`. I was (so far) unable to figure out how to move `tox.ini`. `scalastyle-config.xml` should be movable but edits to the project `.sbt` files didn't work; config file location is updatable for compile but not test scope. ## How was this patch tested? `./dev/run-tests` to verify RAT and checkstyle work. Jenkins tests for the rest. Author: Sean Owen <sowen@cloudera.com> Closes #11522 from srowen/SPARK-13596.
* [MINOR][DOC] improve the doc for "spark.memory.offHeap.size"CodingCat2016-03-071-1/+1
| | | | | | | | | | | | The description of "spark.memory.offHeap.size" in the current document does not clearly state that memory is counted with bytes.... This PR contains a small fix for this tiny issue document fix Author: CodingCat <zhunansjtu@gmail.com> Closes #11561 from CodingCat/master.
* [SPARK-13705][DOCS] UpdateStateByKey Operation documentation incorrectly ↵rmishra2016-03-071-4/+1
| | | | | | | | | | | | | | refers to StatefulNetworkWordCount ## What changes were proposed in this pull request? The reference to StatefulNetworkWordCount.scala from updateStatesByKey documentation should be removed, till there is a example for updateStatesByKey. ## How was this patch tested? Have tested the new documentation with jekyll build. Author: rmishra <rmishra@pivotal.io> Closes #11545 from rishitesh/SPARK-13705.
* [SPARK-13013][DOCS] Replace example code in mllib-clustering.md using ↵Xin Ren2016-03-031-444/+16
| | | | | | | | | | | | | | | | | | | | | 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.
* [SPARK-13529][BUILD] Move network/* modules into common/network-*Reynold Xin2016-02-281-1/+1
| | | | | | | | | | | | ## What changes were proposed in this pull request? As the title says, this moves the three modules currently in network/ into common/network-*. This removes one top level, non-user-facing folder. ## How was this patch tested? Compilation and existing tests. We should run both SBT and Maven. Author: Reynold Xin <rxin@databricks.com> Closes #11409 from rxin/SPARK-13529.
* [SPARK-13521][BUILD] Remove reference to Tachyon in cluster & release scriptsReynold Xin2016-02-263-46/+3
| | | | | | | | | | | | | | ## What changes were proposed in this pull request? We provide a very limited set of cluster management script in Spark for Tachyon, although Tachyon itself provides a much better version of it. Given now Spark users can simply use Tachyon as a normal file system and does not require extensive configurations, we can remove this management capabilities to simplify Spark bash scripts. Note that this also reduces coupling between a 3rd party external system and Spark's release scripts, and would eliminate possibility for failures such as Tachyon being renamed or the tar balls being relocated. ## How was this patch tested? N/A Author: Reynold Xin <rxin@databricks.com> Closes #11400 from rxin/release-script.
* [SPARK-11381][DOCS] Replace example code in mllib-linear-methods.md using ↵Dongjoon Hyun2016-02-261-416/+25
| | | | | | | | | | | | | | | | | | | | | 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.
* [SPARK-12634][PYSPARK][DOC] PySpark tree parameter desc to consistent formatBryan Cutler2016-02-261-3/+3
| | | | | | | | | | | Part of task for [SPARK-11219](https://issues.apache.org/jira/browse/SPARK-11219) to make PySpark MLlib parameter description formatting consistent. This is for the tree module. closes #10601 Author: Bryan Cutler <cutlerb@gmail.com> Author: vijaykiran <mail@vijaykiran.com> Closes #11353 from BryanCutler/param-desc-consistent-tree-SPARK-12634.
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