- Apr 05, 2017
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Tathagata Das authored
## What changes were proposed in this pull request? - Fixed bug in Java API not passing timeout conf to scala API - Updated markdown docs - Updated scala docs - Added scala and Java example ## How was this patch tested? Manually ran examples. Author: Tathagata Das <tathagata.das1565@gmail.com> Closes #17539 from tdas/SPARK-20224.
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- Mar 30, 2017
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Seigneurin, Alexis (CONT) authored
Fixed a few typos. There is one more I'm not sure of: ``` Append mode uses watermark to drop old aggregation state. But the output of a windowed aggregation is delayed the late threshold specified in `withWatermark()` as by the modes semantics, rows can be added to the Result Table only once after they are ``` Not sure how to change `is delayed the late threshold`. Author: Seigneurin, Alexis (CONT) <Alexis.Seigneurin@capitalone.com> Closes #17443 from aseigneurin/typos.
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- Mar 22, 2017
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uncleGen authored
## What changes were proposed in this pull request? Add backslash for line continuation in python code. ## How was this patch tested? Jenkins. Author: uncleGen <hustyugm@gmail.com> Author: dylon <hustyugm@gmail.com> Closes #17352 from uncleGen/python-example-doc.
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- Mar 12, 2017
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uncleGen authored
## What changes were proposed in this pull request? - SS python example: `TypeError: 'xxx' object is not callable` - some other doc issue. ## How was this patch tested? Jenkins. Author: uncleGen <hustyugm@gmail.com> Closes #17257 from uncleGen/docs-ss-python.
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- Mar 09, 2017
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Liwei Lin authored
## What changes were proposed in this pull request? Today, we compare the whole path when deciding if a file is new in the FileSource for structured streaming. However, this would cause false negatives in the case where the path has changed in a cosmetic way (i.e. changing `s3n` to `s3a`). This patch adds an option `fileNameOnly` that causes the new file check to be based only on the filename (but still store the whole path in the log). ## Usage ```scala spark .readStream .option("fileNameOnly", true) .text("s3n://bucket/dir1/dir2") .writeStream ... ``` ## How was this patch tested? Added a test case Author: Liwei Lin <lwlin7@gmail.com> Closes #17120 from lw-lin/filename-only.
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- Feb 24, 2017
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Ramkumar Venkataraman authored
## What changes were proposed in this pull request? Minor typo in `even-time`, which is changed to `event-time` and a couple of grammatical errors fix. ## How was this patch tested? N/A - since this is a doc fix. I did a jekyll build locally though. Author: Ramkumar Venkataraman <rvenkataraman@paypal.com> Closes #17037 from ramkumarvenkat/doc-fix.
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- Feb 16, 2017
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Sean Owen authored
- Move external/java8-tests tests into core, streaming, sql and remove - Remove MaxPermGen and related options - Fix some reflection / TODOs around Java 8+ methods - Update doc references to 1.7/1.8 differences - Remove Java 7/8 related build profiles - Update some plugins for better Java 8 compatibility - Fix a few Java-related warnings For the future: - Update Java 8 examples to fully use Java 8 - Update Java tests to use lambdas for simplicity - Update Java internal implementations to use lambdas ## How was this patch tested? Existing tests Author: Sean Owen <sowen@cloudera.com> Closes #16871 from srowen/SPARK-19493.
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- Jan 10, 2017
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Shixiong Zhu authored
## What changes were proposed in this pull request? This PR allow update mode for non-aggregation streaming queries. It will be same as the append mode if a query has no aggregations. ## How was this patch tested? Jenkins Author: Shixiong Zhu <shixiong@databricks.com> Closes #16520 from zsxwing/update-without-agg.
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- Jan 06, 2017
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Tathagata Das authored
[SPARK-19074][SS][DOCS] Updated Structured Streaming Programming Guide for update mode and source/sink options ## What changes were proposed in this pull request? Updates - Updated Late Data Handling section by adding a figure for Update Mode. Its more intuitive to explain late data handling with Update Mode, so I added the new figure before the Append Mode figure. - Updated Output Modes section with Update mode - Added options for all the sources and sinks --------------------------- ---------------------------  --------------------------- --------------------------- <img width="931" alt="screen shot 2017-01-03 at 6 09 11 pm" src="https://cloud.githubusercontent.com/assets/663212/21629740/d21c9bb8-d1df-11e6-915b-488a59589fa6.png"> <img width="933" alt="screen shot 2017-01-03 at 6 10 00 pm" src="https://cloud.githubusercontent.com/assets/663212/21629749/e22bdabe-d1df-11e6-86d3-7e51d2f28dbc.png"> --------------------------- ---------------------------    Author: Tathagata Das <tathagata.das1565@gmail.com> Closes #16468 from tdas/SPARK-19074.
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- Jan 04, 2017
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Niranjan Padmanabhan authored
## What changes were proposed in this pull request? There are many locations in the Spark repo where the same word occurs consecutively. Sometimes they are appropriately placed, but many times they are not. This PR removes the inappropriately duplicated words. ## How was this patch tested? N/A since only docs or comments were updated. Author: Niranjan Padmanabhan <niranjan.padmanabhan@gmail.com> Closes #16455 from neurons/np.structure_streaming_doc.
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- Jan 02, 2017
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Liwei Lin authored
## What changes were proposed in this pull request? Currently some code snippets in the programming guide just do not compile. We should fix them. ## How was this patch tested? ``` SKIP_API=1 jekyll build ``` ## Screenshot from part of the change:  Author: Liwei Lin <lwlin7@gmail.com> Closes #16442 from lw-lin/ss-pro-guide-.
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- Dec 28, 2016
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Tathagata Das authored
[SPARK-18669][SS][DOCS] Update Apache docs for Structured Streaming regarding watermarking and status ## What changes were proposed in this pull request? - Extended the Window operation section with code snippet and explanation of watermarking - Extended the Output Mode section with a table showing the compatibility between query type and output mode - Rewrote the Monitoring section with updated jsons generated by StreamingQuery.progress/status - Updated API changes in the StreamingQueryListener example TODO - [x] Figure showing the watermarking ## How was this patch tested? N/A ## Screenshots ### Section: Windowed Aggregation with Event Time <img width="927" alt="screen shot 2016-12-15 at 3 33 10 pm" src="https://cloud.githubusercontent.com/assets/663212/21246197/0e02cb1a-c2dc-11e6-8816-0cd28d8201d7.png">  <img width="929" alt="screen shot 2016-12-15 at 3 33 46 pm" src="https://cloud.githubusercontent.com/assets/663212/21246202/1652cefa-c2dc-11e6-8c64-3c05977fb3fc.png"> ---------------------------- ### Section: Output Modes  ---------------------------- ### Section: Monitoring   Author: Tathagata Das <tathagata.das1565@gmail.com> Closes #16294 from tdas/SPARK-18669.
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- Nov 16, 2016
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Tathagata Das authored
## What changes were proposed in this pull request? <img width="941" alt="screen shot 2016-11-15 at 6 27 32 pm" src="https://cloud.githubusercontent.com/assets/663212/20332521/4190b858-ab61-11e6-93a6-4bdc05105ed9.png"> <img width="940" alt="screen shot 2016-11-15 at 6 27 45 pm" src="https://cloud.githubusercontent.com/assets/663212/20332525/44a0d01e-ab61-11e6-8668-47f925490d4f.png"> Author: Tathagata Das <tathagata.das1565@gmail.com> Closes #15897 from tdas/SPARK-18461.
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- Nov 13, 2016
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Denny Lee authored
[SPARK-18426][STRUCTURED STREAMING] Python Documentation Fix for Structured Streaming Programming Guide ## What changes were proposed in this pull request? Update the python section of the Structured Streaming Guide from .builder() to .builder ## How was this patch tested? Validated documentation and successfully running the test example. Please review https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark before opening a pull request. 'Builder' object is not callable object hence changed .builder() to .builder Author: Denny Lee <dennylee@gallifrey.local> Closes #15872 from dennyglee/master.
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- Nov 01, 2016
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Dongjoon Hyun authored
## What changes were proposed in this pull request? This PR merges multiple lines enumerating items in order to remove the redundant spaces following slashes in [Structured Streaming Programming Guide in 2.0.2-rc1](http://people.apache.org/~pwendell/spark-releases/spark-2.0.2-rc1-docs/structured-streaming-programming-guide.html). - Before: `Scala/ Java/ Python` - After: `Scala/Java/Python` ## How was this patch tested? Manual by the followings because this is documentation update. ``` cd docs SKIP_API=1 jekyll build ``` Author: Dongjoon Hyun <dongjoon@apache.org> Closes #15686 from dongjoon-hyun/minor_doc_space.
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- Oct 05, 2016
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Shixiong Zhu authored
## What changes were proposed in this pull request? This PR adds a new project ` external/kafka-0-10-sql` for Structured Streaming Kafka source. It's based on the design doc: https://docs.google.com/document/d/19t2rWe51x7tq2e5AOfrsM9qb8_m7BRuv9fel9i0PqR8/edit?usp=sharing tdas did most of work and part of them was inspired by koeninger's work. ### Introduction The Kafka source is a structured streaming data source to poll data from Kafka. The schema of reading data is as follows: Column | Type ---- | ---- key | binary value | binary topic | string partition | int offset | long timestamp | long timestampType | int The source can deal with deleting topics. However, the user should make sure there is no Spark job processing the data when deleting a topic. ### Configuration The user can use `DataStreamReader.option` to set the following configurations. Kafka Source's options | value | default | meaning ------ | ------- | ------ | ----- startingOffset | ["earliest", "latest"] | "latest" | The start point when a query is started, either "earliest" which is from the earliest offset, or "latest" which is just from the latest offset. Note: This only applies when a new Streaming query is started, and that resuming will always pick up from where the query left off. failOnDataLost | [true, false] | true | Whether to fail the query when it's possible that data is lost (e.g., topics are deleted, or offsets are out of range). This may be a false alarm. You can disable it when it doesn't work as you expected. subscribe | A comma-separated list of topics | (none) | The topic list to subscribe. Only one of "subscribe" and "subscribeParttern" options can be specified for Kafka source. subscribePattern | Java regex string | (none) | The pattern used to subscribe the topic. Only one of "subscribe" and "subscribeParttern" options can be specified for Kafka source. kafka.consumer.poll.timeoutMs | long | 512 | The timeout in milliseconds to poll data from Kafka in executors fetchOffset.numRetries | int | 3 | Number of times to retry before giving up fatch Kafka latest offsets. fetchOffset.retryIntervalMs | long | 10 | milliseconds to wait before retrying to fetch Kafka offsets Kafka's own configurations can be set via `DataStreamReader.option` with `kafka.` prefix, e.g, `stream.option("kafka.bootstrap.servers", "host:port")` ### Usage * Subscribe to 1 topic ```Scala spark .readStream .format("kafka") .option("kafka.bootstrap.servers", "host:port") .option("subscribe", "topic1") .load() ``` * Subscribe to multiple topics ```Scala spark .readStream .format("kafka") .option("kafka.bootstrap.servers", "host:port") .option("subscribe", "topic1,topic2") .load() ``` * Subscribe to a pattern ```Scala spark .readStream .format("kafka") .option("kafka.bootstrap.servers", "host:port") .option("subscribePattern", "topic.*") .load() ``` ## How was this patch tested? The new unit tests. Author: Shixiong Zhu <shixiong@databricks.com> Author: Tathagata Das <tathagata.das1565@gmail.com> Author: Shixiong Zhu <zsxwing@gmail.com> Author: cody koeninger <cody@koeninger.org> Closes #15102 from zsxwing/kafka-source.
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- Sep 26, 2016
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Liang-Chi Hsieh authored
## What changes were proposed in this pull request? When reading file stream with non-globbing path, the results return data with all `null`s for the partitioned columns. E.g., case class A(id: Int, value: Int) val data = spark.createDataset(Seq( A(1, 1), A(2, 2), A(2, 3)) ) val url = "/tmp/test" data.write.partitionBy("id").parquet(url) spark.read.parquet(url).show +-----+---+ |value| id| +-----+---+ | 2| 2| | 3| 2| | 1| 1| +-----+---+ val s = spark.readStream.schema(spark.read.load(url).schema).parquet(url) s.writeStream.queryName("test").format("memory").start() sql("SELECT * FROM test").show +-----+----+ |value| id| +-----+----+ | 2|null| | 3|null| | 1|null| +-----+----+ ## How was this patch tested? Jenkins tests. Author: Liang-Chi Hsieh <simonh@tw.ibm.com> Author: Liang-Chi Hsieh <viirya@gmail.com> Closes #14803 from viirya/filestreamsource-option.
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- Sep 01, 2016
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Seigneurin, Alexis (CONT) authored
fixed 2 typos Author: Seigneurin, Alexis (CONT) <Alexis.Seigneurin@capitalone.com> Closes #14877 from aseigneurin/fix-typo-2.
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- Aug 30, 2016
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Dmitriy Sokolov authored
## What changes were proposed in this pull request? Fix minor typos python example code in streaming programming guide ## How was this patch tested? N/A Author: Dmitriy Sokolov <silentsokolov@gmail.com> Closes #14805 from silentsokolov/fix-typos.
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- Aug 29, 2016
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Seigneurin, Alexis (CONT) authored
idempotant -> idempotent Author: Seigneurin, Alexis (CONT) <Alexis.Seigneurin@capitalone.com> Closes #14833 from aseigneurin/fix-typo.
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- Aug 23, 2016
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hyukjinkwon authored
[MINOR][DOC] Use standard quotes instead of "curly quote" marks from Mac in structured streaming programming guides ## What changes were proposed in this pull request? This PR fixes curly quotes (`“` and `”` ) to standard quotes (`"`). This will be a actual problem when users copy and paste the examples. This would not work. This seems only happening in `structured-streaming-programming-guide.md`. ## How was this patch tested? Manually built. This will change some examples to be correctly marked down as below:  to  Author: hyukjinkwon <gurwls223@gmail.com> Closes #14770 from HyukjinKwon/minor-quotes.
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- Aug 22, 2016
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Jagadeesan authored
Changes in Spark Stuctured Streaming doc in this link https://spark.apache.org/docs/2.0.0/structured-streaming-programming-guide.html#unsupported-operations Author: Jagadeesan <as2@us.ibm.com> Closes #14715 from jagadeesanas2/SPARK-17085.
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- Aug 13, 2016
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Jagadeesan authored
## What changes were proposed in this pull request? When documentation is built is should reference examples from the same build. There are times when the docs have links that point to files in the GitHub head which may not be valid on the current release. Changed that in URLs to make them point to the right tag in git using ```SPARK_VERSION_SHORT``` …from its own release version] [Streaming programming guide] Author: Jagadeesan <as2@us.ibm.com> Closes #14596 from jagadeesanas2/SPARK-12370.
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- Aug 11, 2016
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hyukjinkwon authored
## What changes were proposed in this pull request? Originally this PR was based on #14491 but I realised that fixing examples are more sensible rather than comments. This PR fixes three things below: - Fix two wrong examples in `structured-streaming-programming-guide.md`. Loading via `read.load(..)` without `as` will be `Dataset<Row>` not `Dataset<String>` in Java. - Fix indentation across `structured-streaming-programming-guide.md`. Python has 4 spaces and Scala and Java have double spaces. These are inconsistent across the examples. - Fix `StructuredNetworkWordCountWindowed` and `StructuredNetworkWordCount` in Java and Scala to initially load `DataFrame` and `Dataset<Row>` to be consistent with the comments and some examples in `structured-streaming-programming-guide.md` and to match Scala and Java to Python one (Python one loads it as `DataFrame` initially). ## How was this patch tested? N/A Closes https://github.com/apache/spark/pull/14491 Author: hyukjinkwon <gurwls223@gmail.com> Author: Ganesh Chand <ganeshchand@Ganeshs-MacBook-Pro-2.local> Closes #14564 from HyukjinKwon/SPARK-16886.
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- Jul 21, 2016
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Holden Karau authored
## What changes were proposed in this pull request? Fix parquet to csv in a comment to match the input format being read. ## How was this patch tested? N/A (doc change only) Author: Holden Karau <holden@us.ibm.com> Closes #14274 from holdenk/minor-docfix-schema-of-csv-rather-than-parquet.
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- Jul 19, 2016
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Ahmed Mahran authored
## What changes were proposed in this pull request? Minor fixes correcting some typos, punctuations, grammar. Adding more anchors for easy navigation. Fixing minor issues with code snippets. ## How was this patch tested? `jekyll serve` Author: Ahmed Mahran <ahmed.mahran@mashin.io> Closes #14234 from ahmed-mahran/b-struct-streaming-docs.
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- Jul 13, 2016
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James Thomas authored
## What changes were proposed in this pull request? Updated structured streaming programming guide with new windowed example. ## How was this patch tested? Docs Author: James Thomas <jamesjoethomas@gmail.com> Closes #14183 from jjthomas/ss_docs_update.
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- Jun 30, 2016
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Tathagata Das authored
Author: Tathagata Das <tathagata.das1565@gmail.com> Closes #14001 from tdas/SPARK-16256-2.
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Tathagata Das authored
Author: Tathagata Das <tathagata.das1565@gmail.com> Closes #13978 from tdas/SPARK-16256-1.
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- Jun 29, 2016
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Tathagata Das authored
Title defines all. Author: Tathagata Das <tathagata.das1565@gmail.com> Closes #13945 from tdas/SPARK-16256.
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