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SPARK-17193
HadoopRDD NPE at DEBUG log level when getLocationInfo == null
Move output partitioning definition from UnaryNodeExec to its childrenSPARK-17880
The url linking to `AccumulatorV2` in the document is incorrect.SPARK-17862
Feature flag SPARK-16980
Log INFO per task launch creates a large driver log
Bump Hadoop 2.7 version from 2.7.2 to 2.7.3
SPARK-17736
Update R README for rmarkdown, pandoc
Document scalable partition handling feature in the programming guide
Fix StreamingQueryListener to return message and stacktrace of actual exception
Allow to set sparkr shell command through --conf
Fix bound checking for SparseVector
Improve readability of DAGScheduler stage creation methodsSPARK-15309
Bump master to version 2.1.0-SNAPSHOT
Literal.sql does not properly convert NaN and Infinity literals
Extra space in WindowSpecDefinition SQL representation
SPARK-16307
Improve testing for DecisionTree variances
FileSourceScanExec to extract `outputOrdering` information
Empty DataFrame created with spark.read.csv() does not respect user specified schema
Eliminate redundant code in DAGScheduler's getParentStages and getAncestorShuffleDependencies methods.
Clean-up OffsetWindowFrame
Improve `Union/Intersect/Except` error messages on incompatible types
Use for/foreach rather than map for Unit expressions whose side effects are required
Invalid aggregate functions like MAX(COUNT(*)) are not captured by CheckAnalysis
ChiSqSelector FPR PR cleanups
Support BigDecimal literal parsing
KMeans speedup with better choice of k-means|| init steps = 2
Make sure examples in all language bindings are consistent
Add existence checks to user facing catalog
Spark Mesos module not building on PRs
check database existence with Hive.databaseExists instead of getDatabase- SPARK-18633
Add multiclass logistic regression summary python example and document
DROP TABLE IF EXISTS should not warn for non-existing tables
Update the value of "spark.ui.port" after application started in cluster mode.
QueryExecution should not catch Throwable
SQLContext.tableNames should not call Catalog.listTables
Do not push down filters for LEFT ANTI JOIN
Clean up HDFSMetadataLog API for better testing
Use HTML Relative Links to Access UI Behind Gateways
De-duplicate partition value appending logic in various buildReader() implementations
Improve nullability inference for AggregatorSPARK-11272
Support importing and exporting event logs from HistoryServer web portal
PeriodicGraphCheckpointer did not persist edges as expected in some cases
TaskSetManager.abortIfCompletelyBlacklisted is a perf. hotspot in scheduler benchmark
Propose to print Scala version in "spark-submit --version" command
Reference an ASF page as the main place to find third-party packages
SparkR does not support options in other types consistently other APIs- SPARK-18705
Docs for one-pass solver for linear regression with L1 and elastic-net penalties
Getting "java.lang.RuntimeException: Distinct columns cannot exist in Aggregate "
TaskSchedulerImpl.resourceOffers should take an IndexedSeq, not a Seq
SparseVector __getitem__ should follow __getitem__ contract