| Commit message (Collapse) | Author | Age | Files | Lines |
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There are three [Custom Receiver Guide] links in streaming doc, the first is wrong.
Author: w00228970 <wangfei1@huawei.com>
Author: wangfei <wangfei1@huawei.com>
Closes #2749 from scwf/streaming-doc and squashes the following commits:
0cd76b7 [wangfei] update link tojump to the Akka-specific section
45b0646 [w00228970] wrong link in streaming doc
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improvements:
This pull request addresses a few issues related to PySpark's IPython support:
- Fix the remaining uses of the '-u' flag, which IPython doesn't support (see SPARK-3772).
- Change PYSPARK_PYTHON_OPTS to PYSPARK_DRIVER_PYTHON_OPTS, so that the old name is reserved in case we ever want to allow the worker Python options to be customized (this variable was introduced in #2554 and hasn't landed in a release yet, so this doesn't break any compatibility).
- Introduce a PYSPARK_DRIVER_PYTHON option that allows the driver to use `ipython` while the workers use a different Python version.
- Attempt to use Python 2.7 by default if PYSPARK_PYTHON is not specified.
- Retain the old semantics for IPYTHON=1 and IPYTHON_OPTS (to avoid breaking existing example programs).
There are more details in a block comment in `bin/pyspark`.
Author: Josh Rosen <joshrosen@apache.org>
Closes #2651 from JoshRosen/SPARK-3772 and squashes the following commits:
7b8eb86 [Josh Rosen] More changes to PySpark python executable configuration:
c4f5778 [Josh Rosen] [SPARK-3772] Allow ipython to be used by Pyspark workers; IPython fixes:
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It took me a minute to track this down, so I thought it could be useful to have it in the docs.
I'm unsure if 512mb is the default for spark.driver.memory? Also - there could be a better value for the 'description' to differentiate it from spark.executor.memory.
Author: nartz <nartzpod@gmail.com>
Author: Nathan Artz <nathanartz@Nathans-MacBook-Pro.local>
Closes #2410 from nartz/docs/add-spark-driver-memory-to-config-docs and squashes the following commits:
a2f6c62 [nartz] Update configuration.md
74521b8 [Nathan Artz] add spark.driver.memory to config docs
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Retire Epydoc, use Sphinx to generate API docs.
Refine Sphinx docs, also convert some docstrings into Sphinx style.
It looks like:
![api doc](https://cloud.githubusercontent.com/assets/40902/4538272/9e2d4f10-4dec-11e4-8d96-6e45a8fe51f9.png)
Author: Davies Liu <davies.liu@gmail.com>
Closes #2689 from davies/docs and squashes the following commits:
bf4a0a5 [Davies Liu] fix links
3fb1572 [Davies Liu] fix _static in jekyll
65a287e [Davies Liu] fix scripts and logo
8524042 [Davies Liu] Merge branch 'master' of github.com:apache/spark into docs
d5b874a [Davies Liu] Merge branch 'master' of github.com:apache/spark into docs
4bc1c3c [Davies Liu] refactor
746d0b6 [Davies Liu] @param -> :param
240b393 [Davies Liu] replace epydoc with sphinx doc
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Add testing with sbt to doc ```building-spark.md```
Author: scwf <wangfei1@huawei.com>
Closes #2629 from scwf/sbt-doc and squashes the following commits:
fd9cf29 [scwf] add testing with sbt to docs
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instead of "sbt compile"
In building-spark.md, there are some examples for making assembled package with maven but the example for building with sbt is only about for compiling.
Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>
Closes #2627 from sarutak/SPARK-3763 and squashes the following commits:
fadb990 [Kousuke Saruta] Modified the example to build with sbt in building-spark.md
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Author: Brenden Matthews <brenden@diddyinc.com>
Closes #2401 from brndnmtthws/master and squashes the following commits:
4abaa5d [Brenden Matthews] [SPARK-3535][Mesos] Fix resource handling.
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Update of PR #997.
With this PR, setting SPARK_CONF_DIR overrides SPARK_HOME/conf (not only spark-defaults.conf and spark-env).
Author: EugenCepoi <cepoi.eugen@gmail.com>
Closes #2481 from EugenCepoi/SPARK-2058 and squashes the following commits:
0bb32c2 [EugenCepoi] use orElse orNull and fixing trailing percent in compute-classpath.cmd
77f35d7 [EugenCepoi] SPARK-2058: Overriding SPARK_HOME/conf with SPARK_CONF_DIR
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variables
Author: scwf <wangfei1@huawei.com>
Closes #2632 from scwf/compress-doc and squashes the following commits:
7983a1a [scwf] snappy is the default compression codec for broadcast
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Redone against the recent master branch (https://github.com/apache/spark/pull/1391)
Author: Nishkam Ravi <nravi@cloudera.com>
Author: nravi <nravi@c1704.halxg.cloudera.com>
Author: nishkamravi2 <nishkamravi@gmail.com>
Closes #2485 from nishkamravi2/master_nravi and squashes the following commits:
636a9ff [nishkamravi2] Update YarnAllocator.scala
8f76c8b [Nishkam Ravi] Doc change for yarn memory overhead
35daa64 [Nishkam Ravi] Slight change in the doc for yarn memory overhead
5ac2ec1 [Nishkam Ravi] Remove out
dac1047 [Nishkam Ravi] Additional documentation for yarn memory overhead issue
42c2c3d [Nishkam Ravi] Additional changes for yarn memory overhead issue
362da5e [Nishkam Ravi] Additional changes for yarn memory overhead
c726bd9 [Nishkam Ravi] Merge branch 'master' of https://github.com/apache/spark into master_nravi
f00fa31 [Nishkam Ravi] Improving logging for AM memoryOverhead
1cf2d1e [nishkamravi2] Update YarnAllocator.scala
ebcde10 [Nishkam Ravi] Modify default YARN memory_overhead-- from an additive constant to a multiplier (redone to resolve merge conflicts)
2e69f11 [Nishkam Ravi] Merge branch 'master' of https://github.com/apache/spark into master_nravi
efd688a [Nishkam Ravi] Merge branch 'master' of https://github.com/apache/spark
2b630f9 [nravi] Accept memory input as "30g", "512M" instead of an int value, to be consistent with rest of Spark
3bf8fad [nravi] Merge branch 'master' of https://github.com/apache/spark
5423a03 [nravi] Merge branch 'master' of https://github.com/apache/spark
eb663ca [nravi] Merge branch 'master' of https://github.com/apache/spark
df2aeb1 [nravi] Improved fix for ConcurrentModificationIssue (Spark-1097, Hadoop-10456)
6b840f0 [nravi] Undo the fix for SPARK-1758 (the problem is fixed)
5108700 [nravi] Fix in Spark for the Concurrent thread modification issue (SPARK-1097, HADOOP-10456)
681b36f [nravi] Fix for SPARK-1758: failing test org.apache.spark.JavaAPISuite.wholeTextFiles
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programming guide.
We have changed the output format of `printSchema`. This PR will update our SQL programming guide to show the updated format. Also, it fixes a typo (the value type of `StructType` in Java API).
Author: Yin Huai <huai@cse.ohio-state.edu>
Closes #2630 from yhuai/sqlDoc and squashes the following commits:
267d63e [Yin Huai] Update the output of printSchema and fix a typo.
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PYSPARK_PYTHON unset
### Problem
The section "Using the shell" in Spark Programming Guide (https://spark.apache.org/docs/latest/programming-guide.html#using-the-shell) says that we can run pyspark REPL through IPython.
But a folloing command does not run IPython but a default Python executable.
```
$ IPYTHON=1 ./bin/pyspark
Python 2.7.8 (default, Jul 2 2014, 10:14:46)
...
```
the spark/bin/pyspark script on the commit b235e013638685758885842dc3268e9800af3678 decides which executable and options it use folloing way.
1. if PYSPARK_PYTHON unset
* → defaulting to "python"
2. if IPYTHON_OPTS set
* → set IPYTHON "1"
3. some python scripts passed to ./bin/pyspak → run it with ./bin/spark-submit
* out of this issues scope
4. if IPYTHON set as "1"
* → execute $PYSPARK_PYTHON (default: ipython) with arguments $IPYTHON_OPTS
* otherwise execute $PYSPARK_PYTHON
Therefore, when PYSPARK_PYTHON is unset, python is executed though IPYTHON is "1".
In other word, when PYSPARK_PYTHON is unset, IPYTHON_OPS and IPYTHON has no effect on decide which command to use.
PYSPARK_PYTHON | IPYTHON_OPTS | IPYTHON | resulting command | expected command
---- | ---- | ----- | ----- | -----
(unset → defaults to python) | (unset) | (unset) | python | (same)
(unset → defaults to python) | (unset) | 1 | python | ipython
(unset → defaults to python) | an_option | (unset → set to 1) | python an_option | ipython an_option
(unset → defaults to python) | an_option | 1 | python an_option | ipython an_option
ipython | (unset) | (unset) | ipython | (same)
ipython | (unset) | 1 | ipython | (same)
ipython | an_option | (unset → set to 1) | ipython an_option | (same)
ipython | an_option | 1 | ipython an_option | (same)
### Suggestion
The pyspark script should determine firstly whether a user wants to run IPython or other executables.
1. if IPYTHON_OPTS set
* set IPYTHON "1"
2. if IPYTHON has a value "1"
* PYSPARK_PYTHON defaults to "ipython" if not set
3. PYSPARK_PYTHON defaults to "python" if not set
See the pull request for more detailed modification.
Author: cocoatomo <cocoatomo77@gmail.com>
Closes #2554 from cocoatomo/issues/cannot-run-ipython-without-options and squashes the following commits:
d2a9b06 [cocoatomo] [SPARK-3706][PySpark] Use PYTHONUNBUFFERED environment variable instead of -u option
264114c [cocoatomo] [SPARK-3706][PySpark] Remove the sentence about deprecated environment variables
42e02d5 [cocoatomo] [SPARK-3706][PySpark] Replace environment variables used to customize execution of PySpark REPL
10d56fb [cocoatomo] [SPARK-3706][PySpark] Cannot run IPython REPL with IPYTHON set to "1" and PYSPARK_PYTHON unset
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This patch add profiling support for PySpark, it will show the profiling results
before the driver exits, here is one example:
```
============================================================
Profile of RDD<id=3>
============================================================
5146507 function calls (5146487 primitive calls) in 71.094 seconds
Ordered by: internal time, cumulative time
ncalls tottime percall cumtime percall filename:lineno(function)
5144576 68.331 0.000 68.331 0.000 statcounter.py:44(merge)
20 2.735 0.137 71.071 3.554 statcounter.py:33(__init__)
20 0.017 0.001 0.017 0.001 {cPickle.dumps}
1024 0.003 0.000 0.003 0.000 t.py:16(<lambda>)
20 0.001 0.000 0.001 0.000 {reduce}
21 0.001 0.000 0.001 0.000 {cPickle.loads}
20 0.001 0.000 0.001 0.000 copy_reg.py:95(_slotnames)
41 0.001 0.000 0.001 0.000 serializers.py:461(read_int)
40 0.001 0.000 0.002 0.000 serializers.py:179(_batched)
62 0.000 0.000 0.000 0.000 {method 'read' of 'file' objects}
20 0.000 0.000 71.072 3.554 rdd.py:863(<lambda>)
20 0.000 0.000 0.001 0.000 serializers.py:198(load_stream)
40/20 0.000 0.000 71.072 3.554 rdd.py:2093(pipeline_func)
41 0.000 0.000 0.002 0.000 serializers.py:130(load_stream)
40 0.000 0.000 71.072 1.777 rdd.py:304(func)
20 0.000 0.000 71.094 3.555 worker.py:82(process)
```
Also, use can show profile result manually by `sc.show_profiles()` or dump it into disk
by `sc.dump_profiles(path)`, such as
```python
>>> sc._conf.set("spark.python.profile", "true")
>>> rdd = sc.parallelize(range(100)).map(str)
>>> rdd.count()
100
>>> sc.show_profiles()
============================================================
Profile of RDD<id=1>
============================================================
284 function calls (276 primitive calls) in 0.001 seconds
Ordered by: internal time, cumulative time
ncalls tottime percall cumtime percall filename:lineno(function)
4 0.000 0.000 0.000 0.000 serializers.py:198(load_stream)
4 0.000 0.000 0.000 0.000 {reduce}
12/4 0.000 0.000 0.001 0.000 rdd.py:2092(pipeline_func)
4 0.000 0.000 0.000 0.000 {cPickle.loads}
4 0.000 0.000 0.000 0.000 {cPickle.dumps}
104 0.000 0.000 0.000 0.000 rdd.py:852(<genexpr>)
8 0.000 0.000 0.000 0.000 serializers.py:461(read_int)
12 0.000 0.000 0.000 0.000 rdd.py:303(func)
```
The profiling is disabled by default, can be enabled by "spark.python.profile=true".
Also, users can dump the results into disks automatically for future analysis, by "spark.python.profile.dump=path_to_dump"
This is bugfix of #2351 cc JoshRosen
Author: Davies Liu <davies.liu@gmail.com>
Closes #2556 from davies/profiler and squashes the following commits:
e68df5a [Davies Liu] Merge branch 'master' of github.com:apache/spark into profiler
858e74c [Davies Liu] compatitable with python 2.6
7ef2aa0 [Davies Liu] bugfix, add tests for show_profiles and dump_profiles()
2b0daf2 [Davies Liu] fix docs
7a56c24 [Davies Liu] bugfix
cba9463 [Davies Liu] move show_profiles and dump_profiles to SparkContext
fb9565b [Davies Liu] Merge branch 'master' of github.com:apache/spark into profiler
116d52a [Davies Liu] Merge branch 'master' of github.com:apache/spark into profiler
09d02c3 [Davies Liu] Merge branch 'master' into profiler
c23865c [Davies Liu] Merge branch 'master' into profiler
15d6f18 [Davies Liu] add docs for two configs
dadee1a [Davies Liu] add docs string and clear profiles after show or dump
4f8309d [Davies Liu] address comment, add tests
0a5b6eb [Davies Liu] fix Python UDF
4b20494 [Davies Liu] add profile for python
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is nondeterministic
As suggested by mateiz , and because it came up on the mailing list again last week, this attempts to document that ordering of elements is not guaranteed across RDD evaluations in groupBy, zip, and partition-wise RDD methods. Suggestions welcome about the wording, or other methods that need a note.
Author: Sean Owen <sowen@cloudera.com>
Closes #2508 from srowen/SPARK-3356 and squashes the following commits:
b7c96fd [Sean Owen] Undo change to programming guide
ad4aeec [Sean Owen] Don't mention ordering in partition-wise methods, reword description of ordering for zip methods per review, and add similar note to programming guide, which mentions groupByKey (but not zip methods)
fce943b [Sean Owen] Note that ordering of elements is not guaranteed across RDD evaluations in groupBy, zip, and partition-wise RDD methods
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https://issues.apache.org/jira/browse/SPARK-3715
Author: WangTaoTheTonic <barneystinson@aliyun.com>
Closes #2567 from WangTaoTheTonic/minortypo and squashes the following commits:
9cc3f7a [WangTaoTheTonic] minor typo
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Author: CrazyJvm <crazyjvm@gmail.com>
Closes #2540 from CrazyJvm/standalone-core and squashes the following commits:
66d9fc6 [CrazyJvm] use "--total-executor-cores" rather than "--cores" after spark-shell
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i.e
./spark-ec2 --region=us-west-1 stop yourclustername
Author: Jeff Steinmetz <jeffrey.steinmetz@gmail.com>
Closes #2473 from jeffsteinmetz/master and squashes the following commits:
7491f2c [Jeff Steinmetz] fix case in EC2 cluster setup documentation
bd3d777 [Jeff Steinmetz] standardized ec2 documenation to use <lower-case> sample args
2bf4a57 [Jeff Steinmetz] standardized ec2 documenation to use <lower-case> sample args
68d8372 [Jeff Steinmetz] standardized ec2 documenation to use <lower-case> sample args
d2ab6e2 [Jeff Steinmetz] standardized ec2 documenation to use <lower-case> sample args
520e6dc [Jeff Steinmetz] standardized ec2 documenation to use <lower-case> sample args
37fc876 [Jeff Steinmetz] stop, start and destroy require the EC2_REGION
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Author: Michael Armbrust <michael@databricks.com>
Closes #2527 from marmbrus/patch-1 and squashes the following commits:
a0f9f1c [Michael Armbrust] [SQL][DOCS] Clarify that the server is for JDBC and ODBC
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This reverts commit 1aa549ba9839565274a12c52fa1075b424f138a6.
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This PR for [SPARK-3614](https://issues.apache.org/jira/browse/SPARK-3614) adds functionality for filtering out terms which do not appear in at least a minimum number of documents.
This is implemented using a minimumOccurence parameter (default 0). When terms' document frequencies are less than minimumOccurence, their IDFs are set to 0, just like when the DF is 0. As a result, the TF-IDFs for the terms are found to be 0, as if the terms were not present in the documents.
This PR makes the following changes:
* Add a minimumOccurence parameter to the IDF and DocumentFrequencyAggregator classes.
* Create a parameter-less constructor for IDF with a default minimumOccurence value of 0 to remain backwards-compatibility with the original IDF API.
* Sets the IDFs to 0 for terms which DFs are less than minimumOccurence
* Add tests to the Spark IDFSuite and Java JavaTfIdfSuite test suites
* Updated the MLLib Feature Extraction programming guide to describe the new feature
Author: RJ Nowling <rnowling@gmail.com>
Closes #2494 from rnowling/spark-3614-idf-filter and squashes the following commits:
0aa3c63 [RJ Nowling] Fix identation
e6523a8 [RJ Nowling] Remove unnecessary toDouble's from IDFSuite
bfa82ec [RJ Nowling] Add space after if
30d20b3 [RJ Nowling] Add spaces around equals signs
9013447 [RJ Nowling] Add space before division operator
79978fc [RJ Nowling] Remove unnecessary semi-colon
40fd70c [RJ Nowling] Change minimumOccurence to minDocFreq in code and docs
47850ab [RJ Nowling] Changed minimumOccurence to Int from Long
9fb4093 [RJ Nowling] Remove unnecessary lines from IDF class docs
1fc09d8 [RJ Nowling] Add backwards-compatible constructor to DocumentFrequencyAggregator
1801fd2 [RJ Nowling] Fix style errors in IDF.scala
6897252 [RJ Nowling] Preface minimumOccurence members with val to make them final and immutable
a200bab [RJ Nowling] Remove unnecessary else statement
4b974f5 [RJ Nowling] Remove accidentally-added import from testing
c0cc643 [RJ Nowling] Add minimumOccurence filtering to IDF
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This patch add profiling support for PySpark, it will show the profiling results
before the driver exits, here is one example:
```
============================================================
Profile of RDD<id=3>
============================================================
5146507 function calls (5146487 primitive calls) in 71.094 seconds
Ordered by: internal time, cumulative time
ncalls tottime percall cumtime percall filename:lineno(function)
5144576 68.331 0.000 68.331 0.000 statcounter.py:44(merge)
20 2.735 0.137 71.071 3.554 statcounter.py:33(__init__)
20 0.017 0.001 0.017 0.001 {cPickle.dumps}
1024 0.003 0.000 0.003 0.000 t.py:16(<lambda>)
20 0.001 0.000 0.001 0.000 {reduce}
21 0.001 0.000 0.001 0.000 {cPickle.loads}
20 0.001 0.000 0.001 0.000 copy_reg.py:95(_slotnames)
41 0.001 0.000 0.001 0.000 serializers.py:461(read_int)
40 0.001 0.000 0.002 0.000 serializers.py:179(_batched)
62 0.000 0.000 0.000 0.000 {method 'read' of 'file' objects}
20 0.000 0.000 71.072 3.554 rdd.py:863(<lambda>)
20 0.000 0.000 0.001 0.000 serializers.py:198(load_stream)
40/20 0.000 0.000 71.072 3.554 rdd.py:2093(pipeline_func)
41 0.000 0.000 0.002 0.000 serializers.py:130(load_stream)
40 0.000 0.000 71.072 1.777 rdd.py:304(func)
20 0.000 0.000 71.094 3.555 worker.py:82(process)
```
Also, use can show profile result manually by `sc.show_profiles()` or dump it into disk
by `sc.dump_profiles(path)`, such as
```python
>>> sc._conf.set("spark.python.profile", "true")
>>> rdd = sc.parallelize(range(100)).map(str)
>>> rdd.count()
100
>>> sc.show_profiles()
============================================================
Profile of RDD<id=1>
============================================================
284 function calls (276 primitive calls) in 0.001 seconds
Ordered by: internal time, cumulative time
ncalls tottime percall cumtime percall filename:lineno(function)
4 0.000 0.000 0.000 0.000 serializers.py:198(load_stream)
4 0.000 0.000 0.000 0.000 {reduce}
12/4 0.000 0.000 0.001 0.000 rdd.py:2092(pipeline_func)
4 0.000 0.000 0.000 0.000 {cPickle.loads}
4 0.000 0.000 0.000 0.000 {cPickle.dumps}
104 0.000 0.000 0.000 0.000 rdd.py:852(<genexpr>)
8 0.000 0.000 0.000 0.000 serializers.py:461(read_int)
12 0.000 0.000 0.000 0.000 rdd.py:303(func)
```
The profiling is disabled by default, can be enabled by "spark.python.profile=true".
Also, users can dump the results into disks automatically for future analysis, by "spark.python.profile.dump=path_to_dump"
Author: Davies Liu <davies.liu@gmail.com>
Closes #2351 from davies/profiler and squashes the following commits:
7ef2aa0 [Davies Liu] bugfix, add tests for show_profiles and dump_profiles()
2b0daf2 [Davies Liu] fix docs
7a56c24 [Davies Liu] bugfix
cba9463 [Davies Liu] move show_profiles and dump_profiles to SparkContext
fb9565b [Davies Liu] Merge branch 'master' of github.com:apache/spark into profiler
116d52a [Davies Liu] Merge branch 'master' of github.com:apache/spark into profiler
09d02c3 [Davies Liu] Merge branch 'master' into profiler
c23865c [Davies Liu] Merge branch 'master' into profiler
15d6f18 [Davies Liu] add docs for two configs
dadee1a [Davies Liu] add docs string and clear profiles after show or dump
4f8309d [Davies Liu] address comment, add tests
0a5b6eb [Davies Liu] fix Python UDF
4b20494 [Davies Liu] add profile for python
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for SSH
Author: Kousuke Saruta <sarutak@oss.nttdata.co.jp>
Closes #2444 from sarutak/slaves-scripts-modification and squashes the following commits:
eff7394 [Kousuke Saruta] Improve the description about Cluster Launch Script in docs/spark-standalone.md
7858225 [Kousuke Saruta] Modified sbin/slaves to use the environment variable "SPARK_SSH_FOREGROUND" as a flag
53d7121 [Kousuke Saruta] Merge branch 'master' of git://git.apache.org/spark into slaves-scripts-modification
e570431 [Kousuke Saruta] Added a description for SPARK_SSH_FOREGROUND variable
7120a0c [Kousuke Saruta] Added a description about default host for sbin/slaves
1bba8a9 [Kousuke Saruta] Added SPARK_SSH_FOREGROUND flag to sbin/slaves
88e2f17 [Kousuke Saruta] Merge branch 'master' of git://git.apache.org/spark into slaves-scripts-modification
297e75d [Kousuke Saruta] Modified sbin/slaves not to export HOSTLIST
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Add warnings to KMeans, GeneralizedLinearAlgorithm, and computeSVD when called with input data that is not cached. KMeans is implemented iteratively, and I believe that GeneralizedLinearAlgorithm’s current optimizers are iterative and its future optimizers are also likely to be iterative. RowMatrix’s computeSVD is iterative against an RDD when run in DistARPACK mode. ALS and DecisionTree are iterative as well, but they implement RDD caching internally so do not require a warning.
I added a warning to GeneralizedLinearAlgorithm rather than inside its optimizers, where the iteration actually occurs, because internally GeneralizedLinearAlgorithm maps its input data to an uncached RDD before passing it to an optimizer. (In other words, the warning would be printed for every GeneralizedLinearAlgorithm run, regardless of whether its input is cached, if the warning were in GradientDescent or other optimizer.) I assume that use of an uncached RDD by GeneralizedLinearAlgorithm is intentional, and that the mapping there (adding label, intercepts and scaling) is a lightweight operation. Arguably a user calling an optimizer such as GradientDescent will be knowledgable enough to cache their data without needing a log warning, so lack of a warning in the optimizers may be ok.
Some of the documentation examples making use of these iterative algorithms did not cache their training RDDs (while others did). I updated the examples to always cache. I also fixed some (unrelated) minor errors in the documentation examples.
Author: Aaron Staple <aaron.staple@gmail.com>
Closes #2347 from staple/SPARK-1484 and squashes the following commits:
bd49701 [Aaron Staple] Address review comments.
ab2d4a4 [Aaron Staple] Disable warnings on python code path.
a7a0f99 [Aaron Staple] Change code comments per review comments.
7cca1dc [Aaron Staple] Change warning message text.
c77e939 [Aaron Staple] [SPARK-1484][MLLIB] Warn when running an iterative algorithm on uncached data.
3b6c511 [Aaron Staple] Minor doc example fixes.
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leftOuterJoin and rightOuterJoin are already implemented. This patch adds fullOuterJoin.
Author: Aaron Staple <aaron.staple@gmail.com>
Closes #1395 from staple/SPARK-546 and squashes the following commits:
1f5595c [Aaron Staple] Fix python style
7ac0aa9 [Aaron Staple] [SPARK-546] Add full outer join to RDD and DStream.
3b5d137 [Aaron Staple] In JavaPairDStream, make class tag specification in rightOuterJoin consistent with other functions.
31f2956 [Aaron Staple] Fix left outer join documentation comments.
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log4j configuration
Assign value of yarn container log directory to java opts "spark.yarn.app.container.log.dir", So user defined log4j.properties can reference this value and write log to YARN container's log directory.
Otherwise, user defined file appender will only write to container's CWD, and log files in CWD will not be displayed on YARN UI,and either cannot be aggregated to HDFS log directory after job finished.
User defined log4j.properties reference example:
log4j.appender.rolling_file.File = ${spark.yarn.app.container.log.dir}/spark.log
Author: peng.zhang <peng.zhang@xiaomi.com>
Closes #1573 from renozhang/yarn-log-dir and squashes the following commits:
16c5cb8 [peng.zhang] Update doc
f2b5e2a [peng.zhang] Change variable's name, and update running-on-yarn.md
503ea2d [peng.zhang] Support log4j log to yarn container dir
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Author: Grega Kespret <grega.kespret@gmail.com>
Closes #2479 from gregakespret/patch-1 and squashes the following commits:
dd6b90a [Grega Kespret] Update docs to use jsonRDD instead of wrong jsonRdd.
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Extraction guide
Author: RJ Nowling <rnowling@gmail.com>
Closes #2459 from rnowling/tfidf-fix and squashes the following commits:
b370a91 [RJ Nowling] Fix variable name misspelling in MLLib Feature Extraction guide
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"val conf" was used instead of "SparkConf conf" in Java snippet.
Author: Santiago M. Mola <santi@mola.io>
Closes #2472 from smola/patch-1 and squashes the following commits:
5bfeb9b [Santiago M. Mola] Fix Java example in Streaming Programming Guide
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This is now supported!
Author: andrewor14 <andrewor14@gmail.com>
Author: Andrew Or <andrewor14@gmail.com>
Closes #2461 from andrewor14/document-standalone-cluster and squashes the following commits:
85c8b9e [andrewor14] Wording change per Patrick
35e30ee [Andrew Or] Fix outdated docs for standalone cluster
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This is a partial solution to SPARK-1701, only addressing the
documentation confusion.
Additional work can be to actually change the numSlices parameter name
across languages, with care required for scala & python to maintain
backward compatibility for named parameters.
Author: Matthew Farrellee <matt@redhat.com>
Closes #2305 from mattf/SPARK-1701 and squashes the following commits:
c0af05d [Matthew Farrellee] Further tweak
06f80fc [Matthew Farrellee] Wording tweak from Josh Rosen's review
7b045e0 [Matthew Farrellee] [SPARK-1701] Clarify slice vs partition in the programming guide
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This patch makes some small changes to fix this problem:
1. We document specific versions of Jekyll/Kramdown to use that match
those used when building the upstream docs.
2. We add a configuration for a property that for some reason varies across
packages of Jekyll/Kramdown even with the same version.
Author: Patrick Wendell <pwendell@gmail.com>
Closes #2443 from pwendell/jekyll and squashes the following commits:
54ee2ab [Patrick Wendell] SPARK-3579 Jekyll doc generation is different across environments.
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https://issues.apache.org/jira/browse/SPARK-3565
"spark.ports.maxRetries" should be "spark.port.maxRetries". Make the configuration keys in document and code consistent.
Author: WangTaoTheTonic <barneystinson@aliyun.com>
Closes #2427 from WangTaoTheTonic/fixPortRetries and squashes the following commits:
c178813 [WangTaoTheTonic] Use blank lines trigger Jenkins
646f3fe [WangTaoTheTonic] also in SparkBuild.scala
3700dba [WangTaoTheTonic] Fix configuration item not consistent with document
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Makes the table of contents read better
Author: Andrew Ash <andrew@andrewash.com>
Closes #2402 from ash211/docs/better-indentation and squashes the following commits:
ea0e130 [Andrew Ash] Move HA subsections to a deeper indentation level
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Author: Michael Armbrust <michael@databricks.com>
Closes #2434 from marmbrus/patch-1 and squashes the following commits:
67215be [Michael Armbrust] [SQL][DOCS] Improve table caching section
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change the value of spark.files.fetchTimeout
Author: viper-kun <xukun.xu@huawei.com>
Closes #2406 from viper-kun/master and squashes the following commits:
ecb0d46 [viper-kun] [Docs] Correct spark.files.fetchTimeout default value
7cf4c7a [viper-kun] Update configuration.md
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This adds a new page to the docs listing community projects -- those created outside of Apache Spark that are of interest to the community of Spark users. Anybody can add to it just by submitting a PR.
There was a discussion thread about alternatives:
* Creating a Github organization for Spark projects - we could not find any sponsors for this, and it would be difficult to organize since many folks just create repos in their company organization or personal accounts
* Apache has some place for storing community projects, but it was deemed difficult to work with, and again would be some permissions issues -- not everyone could update it.
Author: Evan Chan <velvia@gmail.com>
Closes #2219 from velvia/community-projects-page and squashes the following commits:
7316822 [Evan Chan] Point to Spark wiki: supplemental projects page
613b021 [Evan Chan] Add a few more projects
a85eaaf [Evan Chan] Add a Community Projects page
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When deploying to AWS, there is additional configuration that is required to read S3 files. EMR creates it automatically, there is no reason that the Spark EC2 script shouldn't.
This PR requires a corresponding PR to the mesos/spark-ec2 to be merged, as it gets cloned in the process of setting up machines: https://github.com/mesos/spark-ec2/pull/58
Author: Dan Osipov <daniil.osipov@shazam.com>
Closes #1120 from danosipov/s3_credentials and squashes the following commits:
758da8b [Dan Osipov] Modify documentation to include the new parameter
71fab14 [Dan Osipov] Use a parameter --copy-aws-credentials to enable S3 credential deployment
7e0da26 [Dan Osipov] Get AWS credentials out of boto connection instance
39bdf30 [Dan Osipov] Add S3 configuration parameters to the EC2 deploy scripts
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Taken from liancheng's updates. Merged conflicts with #2316.
Author: Michael Armbrust <michael@databricks.com>
Closes #2384 from marmbrus/sqlDocUpdate and squashes the following commits:
2db6319 [Michael Armbrust] @liancheng's updates
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Here's my crack at Bertrand's suggestion. The Github `README.md` contains build info that's outdated. It should just point to the current online docs, and reflect that Maven is the primary build now.
(Incidentally, the stanza at the end about contributions of original work should go in https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark too. It won't hurt to be crystal clear about the agreement to license, given that ICLAs are not required of anyone here.)
Author: Sean Owen <sowen@cloudera.com>
Closes #2014 from srowen/SPARK-3069 and squashes the following commits:
501507e [Sean Owen] Note that Zinc is for Maven builds too
db2bd97 [Sean Owen] sbt -> sbt/sbt and add note about zinc
be82027 [Sean Owen] Fix additional occurrences of building-with-maven -> building-spark
91c921f [Sean Owen] Move building-with-maven to building-spark and create a redirect. Update doc links to building-spark.html Add jekyll-redirect-from plugin and make associated config changes (including fixing pygments deprecation). Add example of SBT to README.md
999544e [Sean Owen] Change "Building Spark with Maven" title to "Building Spark"; reinstate tl;dr info about dev/run-tests in README.md; add brief note about building with SBT
c18d140 [Sean Owen] Optionally, remove the copy of contributing text from main README.md
8e83934 [Sean Owen] Add CONTRIBUTING.md to trigger notice on new pull request page
b1c04a1 [Sean Owen] Refer to current online documentation for building, and remove slightly outdated copy in README.md
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Reuse Python worker to avoid the overhead of fork() Python process for each tasks. It also tracks the broadcasts for each worker, avoid sending repeated broadcasts.
This can reduce the time for dummy task from 22ms to 13ms (-40%). It can help to reduce the latency for Spark Streaming.
For a job with broadcast (43M after compress):
```
b = sc.broadcast(set(range(30000000)))
print sc.parallelize(range(24000), 100).filter(lambda x: x in b.value).count()
```
It will finish in 281s without reused worker, and it will finish in 65s with reused worker(4 CPUs). After reusing the worker, it can save about 9 seconds for transfer and deserialize the broadcast for each tasks.
It's enabled by default, could be disabled by `spark.python.worker.reuse = false`.
Author: Davies Liu <davies.liu@gmail.com>
Closes #2259 from davies/reuse-worker and squashes the following commits:
f11f617 [Davies Liu] Merge branch 'master' into reuse-worker
3939f20 [Davies Liu] fix bug in serializer in mllib
cf1c55e [Davies Liu] address comments
3133a60 [Davies Liu] fix accumulator with reused worker
760ab1f [Davies Liu] do not reuse worker if there are any exceptions
7abb224 [Davies Liu] refactor: sychronized with itself
ac3206e [Davies Liu] renaming
8911f44 [Davies Liu] synchronized getWorkerBroadcasts()
6325fc1 [Davies Liu] bugfix: bid >= 0
e0131a2 [Davies Liu] fix name of config
583716e [Davies Liu] only reuse completed and not interrupted worker
ace2917 [Davies Liu] kill python worker after timeout
6123d0f [Davies Liu] track broadcasts for each worker
8d2f08c [Davies Liu] reuse python worker
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* Fixed random typo
* Added in missing description for DecimalType
Author: Nicholas Chammas <nicholas.chammas@gmail.com>
Closes #2367 from nchammas/patch-1 and squashes the following commits:
aa528be [Nicholas Chammas] doc fix for SQL DecimalType
3247ac1 [Nicholas Chammas] [SQL] [Docs] typo fixes
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of containsNull in an ArrayType
After #1889, the default value of `containsNull` in an `ArrayType` is `true`.
Author: Yin Huai <huai@cse.ohio-state.edu>
Closes #2374 from yhuai/containsNull and squashes the following commits:
dc609a3 [Yin Huai] Update the SQL programming guide to show the correct default value of containsNull in an ArrayType (the default value is true instead of false).
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Put original YARN queue spark-submit arg description in
running-on-yarn html table and example command line
Author: Mark G. Whitney <mark@whitneyindustries.com>
Closes #2218 from kramimus/2258-yarndoc and squashes the following commits:
4b5d808 [Mark G. Whitney] remove yarn queue config
f8cda0d [Mark G. Whitney] [SPARK-2558][DOCS] Add spark.yarn.queue description to YARN doc
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This patch copies the approach used in the MapReduce application master for launching containers.
Author: Sandy Ryza <sandy@cloudera.com>
Closes #663 from sryza/sandy-spark-1713 and squashes the following commits:
036550d [Sandy Ryza] SPARK-1713. [YARN] Use a threadpool for launching executor containers
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Adjust the default values of decision tree, based on the memory requirement discussed in https://github.com/apache/spark/pull/2125 :
1. maxMemoryInMB: 128 -> 256
2. maxBins: 100 -> 32
3. maxDepth: 4 -> 5 (in some example code)
jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes #2322 from mengxr/tree-defaults and squashes the following commits:
cda453a [Xiangrui Meng] fix tests
5900445 [Xiangrui Meng] update comments
8c81831 [Xiangrui Meng] update default values of tree:
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Author: Henry Cook <hcook@eecs.berkeley.edu>
Closes #2316 from hcook/sql-docs and squashes the following commits:
373f94b [Henry Cook] Minor edits to sql programming guide.
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See compiled doc at
http://people.apache.org/~rxin/tmp/openstack-swift/_site/storage-openstack-swift.html
This is based on #1010. Closes #1010.
Author: Reynold Xin <rxin@apache.org>
Author: Gil Vernik <gilv@il.ibm.com>
Closes #2298 from rxin/openstack-swift and squashes the following commits:
ff4e394 [Reynold Xin] Two minor comments from Patrick.
279f6de [Reynold Xin] core-sites -> core-site
dfb8fea [Reynold Xin] Updated based on Gil's suggestion.
846f5cb [Reynold Xin] Added a link from overview page.
0447c9f [Reynold Xin] Removed sample code.
e9c3761 [Reynold Xin] Merge pull request #1010 from gilv/master
9233fef [Gil Vernik] Fixed typos
6994827 [Gil Vernik] Merge pull request #1 from rxin/openstack
ac0679e [Reynold Xin] Fixed an unclosed tr.
47ce99d [Reynold Xin] Merge branch 'master' into openstack
cca7192 [Gil Vernik] Removed white spases from pom.xml
99f095d [Reynold Xin] Pending openstack changes.
eb22295 [Reynold Xin] Merge pull request #1010 from gilv/master
39a9737 [Gil Vernik] Spark integration with Openstack Swift
c977658 [Gil Vernik] Merge branch 'master' of https://github.com/gilv/spark
2aba763 [Gil Vernik] Fix to docs/openstack-integration.md
9b625b5 [Gil Vernik] Merge branch 'master' of https://github.com/gilv/spark
eff538d [Gil Vernik] SPARK-938 - Openstack Swift object storage support
ce483d7 [Gil Vernik] SPARK-938 - Openstack Swift object storage support
b6c37ef [Gil Vernik] Openstack Swift support
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Sort-based shuffle has lower memory usage and seems to outperform hash-based in almost all of our testing.
Author: Reynold Xin <rxin@apache.org>
Closes #2178 from rxin/sort-shuffle and squashes the following commits:
713d341 [Reynold Xin] Fixed test failures by setting spark.shuffle.compress to the same value as spark.shuffle.spill.compress.
85165e6 [Reynold Xin] Fixed a comment typo.
aa0d372 [Reynold Xin] [SPARK-3280] Made sort-based shuffle the default implementation
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Author: Michael Armbrust <michael@databricks.com>
Author: Yin Huai <huai@cse.ohio-state.edu>
Closes #2258 from marmbrus/sqlDocUpdate and squashes the following commits:
f3d450b [Michael Armbrust] fix brackets
bea3bfa [Michael Armbrust] Davies suggestions
3a29fe2 [Michael Armbrust] tighten visibility
a71aa36 [Michael Armbrust] Draft of doc updates
52932c0 [Michael Armbrust] Merge remote-tracking branch 'origin/master' into sqlDocUpdate
1e8c849 [Yin Huai] Update the example used for applySchema.
9457c39 [Yin Huai] Update doc.
31ba240 [Yin Huai] Merge remote-tracking branch 'upstream/master' into dataTypeDoc
29bc668 [Yin Huai] Draft doc for data type and schema APIs.
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- Improvements to the kinesis integration guide from @cfregly
- More information about unified input dstreams in main guide
Author: Tathagata Das <tathagata.das1565@gmail.com>
Author: Chris Fregly <chris@fregly.com>
Closes #2307 from tdas/streaming-doc-fix1 and squashes the following commits:
ec40b5d [Tathagata Das] Updated figure with kinesis
fdb9c5e [Tathagata Das] Fixed style issues with kinesis guide
036d219 [Chris Fregly] updated kinesis docs and added an arch diagram
24f622a [Tathagata Das] More modifications.
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