SPRING for APACHE HADOOP CHANGELOG ================================== http://projects.spring.io/spring-hadoop/ Commit changelog: http://github.com/spring-projects/spring-hadoop/tree/v[version] Issues changelog: https://jira.spring.io/secure/ReleaseNote.jspa?projectId=10801 Changes in version 2.4.0 RC1 (2016-06-27) ----------------------------------------- General * Update to statemachine 1.1.0.RELEASE [SHDP-563] * Update to CDH 5.7 [SHDP-564] * Update to Hortonworks HDP 2.4.2 [SHDP-565] * Update Spring dependency versions [SHDP-566] YARN * Missing trailing slash on spring.yarn.applicationDir path fails to localize [SHDP-562] * Conditional autoconfig [SHDP-568] Changes in version 2.4.0 M1 (2016-03-25) ---------------------------------------- General * Create utils sub-project [SHDP-556] * NetworkUtils may find wrong default address [SHDP-546] * Remove phd21 from build [SHDP-549] * Update version for Hadoop 2.6.x [SHDP-550] * Update CDH5 distro to use latest CDH 5.5.x [SHDP-552] * Update HDP distro to use latest HDP 2.3.4.x [SHDP-553] * Add build support for HDP 2.4 [SHDP-557] YARN * Support for yarn resource labels [SHDP-545] * Allow to select localized resource outside of app dir [SHDP-555] Changes in version 2.3.0 RELEASE (2015-12-22) --------------------------------------------- General * Update versions for Spring Framework, Integration, Batch and Boot [SHDP-548] Changes in version 2.3.0 RC2 (2015-12-04) ----------------------------------------- General * Update versions for Spring Framework, Integration, Security and Boot [SHDP-544] YARN * AppmasterLauncherRunner can call exit() twice causing jvm to block [SHDP-531] * Container cluster may start wrong member [SHDP-532] * @MiniHadoopCluster mixes cluster work dirs [SHDP-533] Changes in version 2.3.0 RC1 (2015-10-15) ----------------------------------------- General * Update build to use Spring Framework 4.2.2 [SHDP-509] * Update build to use Spring Integration 4.2.0 [SHDP-520] Store * Add FlushTimeoutTrigger to StoreObjectSupport [SHDP-526] YARN * Replace internal state machine implementation with new "spring-statemachine" project [SHDP-530] Changes in version 2.3.0 M3 (2015-09-22) ---------------------------------------- General * Update build to use Spring Framework 4.2.1, Boot 1.3.0.M5, Batch 3.0.5 [SHDP-509] * Update Pivotal HD 3.0 version to 3.0.1 [SHDP-518] * Move annotation config to separate sub-project to reduce dependencies for spring-data-hadoop-boot [SHDP-525] Store * Fix INFO message for timeout [SHDP-523] Spark * Add additional properties to Spark Tasklet [SHDP-397] * Upgrade build to use to Spark 1.5.0 [SHDP-521] Changes in version 2.3.0 M2 (2015-08-20) ---------------------------------------- General * Update build to use Spring Framework 4.2 GA and latest versions of Spring projects [SHDP-509] * Add support for running a simple Spark app [SHDP-397] * Add support for running a simple Sqoop2 Job [SHDP-506] Boot * Fix env variable bindings for boot 1.3.x [SHDP-516] * Add jobHistoryAddress to SpringHadoopProperties for Boot configuration [SHDP-517] YARN * Support dots in yarn container group names [SHDP-515] Changes in version 2.3.0 M1 (2015-08-04) ---------------------------------------- General * Remove distros no longer actively supported from build [SHDP-502] * Add Hadoop 2.7.x to the build [SHDP-503] * Update Hadoop 2.7.x to 2.7.1 stable release and make it the default [SHDP-508] * Add support for HDP 2.3 to build [SHDP-507] * Update CDH5 distro to use CDH 5.4 [SHDP-494] * Update build to use latest Spring versions and Spring Framework 4.2 RC [SHDP-504] Core * Support boot config props metadata [SHDP-452] Store * Fix for append reopen may fail [SHDP-510] Hive * Support for Hive 1.x in build [SHDP-484] * Support HiveServer2 in HiveTemplate [SHDP-331] Changes in version 2.2.0 RELEASE (2015-06-09) --------------------------------------------- General * Update changelog for 2.2 GA release [SHDP-505] Changes in version 2.2.0 RC2 (2015-05-28) ---------------------------------------- HBase * Added PUT and DELETE methods to HbaseTemplate [SHDP-493] Changes in version 2.2.0 RC1 (2015-05-21) ---------------------------------------- General * Update Spring Batch version to 3.0.4 [SHDP-501] Store * Fix path for TextFileWriter FileWrittenEvent when prefixes or suffixes are used [SHDP-497] Changes in version 2.2.0 M1 (2015-04-30) ---------------------------------------- General * Update Spring Dependencies [SHDP-479][SHDP-485][SHDP-492] * Update Cloudera support to cdh5.3.3 [SHDP-489] [SHDP-495] * Add support for Pivotal HD 3.0 [SHDP-488] * Update Hortonworks HDP 2.2 to 2.6.0.2.2.4.0-2633 [SHDP-491] * Remove support for JDK6 [SHDP-403] Core * Annotation config doesn't always use beans [SHDP-476] Store * Update Kite SDK to 1.0.0 version [SHDP-480] * TextFileWriter unable to continue after close errors [SHDP-482] * Add close timeout for writing to HDFS [SHDP-481] * Provide way to use Syncable methods [SHDP-490] Changes in version 2.1.0 RELEASE (2015-02-02) --------------------------------------------- YARN * DefaultYarnContainer should not exit without @YarnComponent [SHDP-469] Changes in version 2.1.0 RC1 (2015-01-14) ----------------------------------------- General * Update build to use Hortonworks repo versions for hdp20 and hdp21 [SHDP-446] * Update the build to use Cloudera 5.3.0 [SHDP-459] * Update the build to use Hadoop 2.5.2 and make hadoop26 the default [SHDP-462] * Update to Spring Boot 1.2.1 and Spring Framework 4.1.4 [SHDP-465] Core * Rewrite DistCp for Hadoop v2 API [SHDP-364] YARN * Fix DefaultAllocateCountTracker.addContainers when two hosts on the same rack are specified [SHDP-440] * Fix DefaultAllocateCountTracker to handle container allocated by rack correctly [SHDP-441] * Support yarn app name in cli submit command [SHDP-464] Store * Enhance Dataset Writer and Create Reader class that keep resource open [SHDP-352] Changes in version 2.1.0 M3 (2014-12-18) ---------------------------------------- General * Update to Spring Boot 1.2.0 and Spring Core 4.1.3 [SHDP-453] * Upgrade to SI 4.1.0 [SHDP-433] * Update the build to support Hortonworks HDP 2.2 [SHDP-442] * Update the build to support Hadoop 2.6.0 [SHDP-445] * Update Kite SDK to 0.17.1 [SHDP-448] * Update docs for 2.1.0.M3 [SHDP-450] * Fix test failures with Pig 0.14.0 [SHDP-454] * Add boot autoconfiguration for shdp core config [SHDP-410] * Add FsShell boot auto-configuration [SHDP-449] Store * Remove unsupported lzo codecs [SHDP-356] * DefaultPartitionStrategy now uses SpEL compiler [SHDP-427] * PartitionTextFileWriter may leave in-use prefix/suffix behind [SHDP-436] * PartitionTextFileWriter doesn't stop TextFileWriter [SHDP-447] * Allow to define CompressionType in datasets [SHDP-437] * Move MessagePartitionStrategy and related classes to main jar [SHDP-428] * Add support for using externally defined Avro schema [SHDP-329] YARN * Fix YarnContainerClusterMvcEndpoint registered twice [SHDP-430] * Support multiple @YarnComponents [SHDP-431] * Make @YarnComponent easier for long running container [SHDP-432] * Abstract boot app run in AbstractApplicationCommand [SHDP-429] * Support ListenableFuture in YarnComponent [SHDP-443] * Support graceful yarn app shutdown [SHDP-439] * Change container cluster create/modify options [SHDP-426] Changes in version 2.1.0 M2 (2014-11-13) ---------------------------------------- General * Update the build to support Hadoop 2.5.1 [SHDP-395] * Update build to support Pivotal HD 2.1 [SHDP-400] * Update build to support Cloudera CDH 5.2.0 [SHDP-405] * Change default version to be Hadoop 2.5.x [SHDP-412] * Remove build support for Pivotal HD 1.x and CDH 4 [SHDP-413] * Align with upcoming IO platform versions [SHDP-420] - Spring Framework 4.1.2.RELEASE - Spring Batch 3.0.2.RELEASE - Spring Integration 4.0.4.RELEASE. * Update to Boot 1.2.0.RC1 [SHDP-424] * Update Kite SDK to 0.17.0 [SHDP-367] * Remove use of mapreduce.framework.name property [SHDP-394] * Reorganize build, add hbase, hive, pig and spark sub-projects [SHDP-396] * Fix test suite issues for Hive, Pig and JavaScript [SHDP-399] Store * Add writerCacheSize property to DatasetDefinition for Kite SDK [SHDP-407] * DatasetTemplate doesn't close writer if exception is thrown [SHDP-408] * Change extension used for bzip2 and gzip [SHDP-416] * Partition writer doesn't clean resources [SHDP-423] * Enhance spel in store partitioning [SHDP-377] YARN * Enhance container groups for easier allocation model [SHDP-418] Changes in version 2.1.0 M1 (2014-09-05) ---------------------------------------- General * Remove Hadoop v1 based distros from build [SHDP-354] * Update dependencies for distros and other projects [SHDP-359] * Update Kite SDK to 0.14.0 [SHDP-360] * Update Spring projects versions [SHDP-371] * New namespace schema files for 2.1 [SHDP-370] * Update the build to support Hadoop 2.5.0 [SHDP-388] Store * Store writer should not fail on lifecycle init [SHDP-365] * RollingFileNamingStrategy improved handling of file names [SHDP-375] * Support append in store writers [SHDP-342] * Append for PartitionTextFileWriter [SHDP-389] * Change store tests to use minicluster [SHDP-357] * Fix Race condition for overwrite [SHDP-374] YARN * Implement yarn container grouping [SHDP-211] * Improve Yarn app install/submit model [SHDP-287] * Support allocating mixed resources [SHDP-332] * Generic boot config for hadoop configuration [SHDP-376] * Support creating custom container projections [SHDP-379] * Fix containers not allocated after rejection [SHDP-382] * Change all boot cli commands to be modifiable [SHDP-383] * Fix StaticEventingAppmaster hangs with*100 container exit status [SHDP-385] * Fix remote batch step exit code not updated [SHDP-390] * Remove unneeded YarnContainerClusterMvcEndpoint response entities [SHDP-391] Changes in version 2.0.0 RELEASE (2014-06-10) --------------------------------------------- General * Upgrade Spring Boot and Spring Integration versions [SHDP-344] * Improve JobUtils job status logic [SHDP-351] * Update docs with current info [SHDP-255] Store * Create Writer class that keep resource open for dataset support [SHDP-346] * HashMethodExecutor doesn't work with negative values [SHDP-350] YARN * YarnInfoApplication using wrong source [SHDP-349] Changes in version 2.0.0 RC4 (2014-05-23) ----------------------------------------- General * Upgrade Spring Framework, Batch and Integration versions [SHDP-344] * Updating cglib dependency, fixing hbase dependencies and dependency exclusions Store * Support for store writer partitioning [SHDP-334] YARN * Rename yarn container annotations [SHDP-343] * Modify boot config props for classpaths [SHDP-340] * Add boot config property Configuration [SHDP-341] * Add configurable YarnClient action [SHDP-348] Changes in version 2.0.0 RC3 (2014-05-05) ----------------------------------------- General * Add support for Hortonworks Data Platform 2.1 [SHDP-319] * Update CDH5 support with GA release [SHDP-320] * Add Hadoop 2.4.0 as a supported version [SHDP-326] * Update Hive/Pig versions for Hadoop 2.2.0 [SHDP-330] * Update Spring Projects to current versions [SHDP-336] * Update Pivotal HD 2.0 to version 2.0.1 [SHDP-337] * Update to Kite SDK 0.13.0 [SHDP-338] Store * Add support for reading a partition of a Dataset [SHDP-327] * Fix NPE in TextFileWriter class [SHDP-335] YARN * BatchAppmaster should not need keepContextAlive [SHDP-325] * Support allocation relax localization [SHDP-317] Changes in version 2.0.0 RC2 (2014-04-02) ----------------------------------------- General * Update to latest dependency versions [SHDP-315] * Remove ConfigurationUtils dependency on JobConf class [SHDP-316] * Add Pivotal HD 2.0 as a supported build version [SHDP-313] Store * Add basic parquet support to the Kite SDK dataset support [SHDP-312] YARN * Fix MiniYarnCluster based on changes in Spring 4.0.3 [SHDP-318] Changes in version 2.0.0 RC1 (2014-03-25) ----------------------------------------- General * Update to latest dependency versions [SHDP-302] * Add Hadoop 2.3.0 as a supported version [SHDP-306] Store * Refactor HdfsFileSplitItemReader to use store classes [SHDP-295] * Add split reader for TextFileReader [SHDP-294] * Add options to the Kite SDK dataset support for format and nulls allowed [SHDP-310] YARN * Consolidate boot launcher exit and latch wait [SHDP-266] * Better model for using default yarn classpath [SHDP-272] * Make Yarn app push/submit model consistent [SHDP-287] [SHDP-307] * Method with OnYarnContainerStart should handle errors [SHDP-292] * Bound container parameters with OnYarnContainerStart [SHDP-293] * Improve spring-yarn-boot configuration options [SHDP-296] * Set allocator poll interval to 1 sec [SHDP-301] * Register embedded container as track service [SHDP-305] * Fix ClusterBaseTestClassSubmitTests for Hadoop 2.3.0 based distros [SHDP-308] * Fix Yarn testing framework breaking with 2.3.x [SHDP-309] Changes in version 2.0.0 M6 (2014-03-05) ----------------------------------------- General * Update build to make Hadoop 2.2.0 default and update dependencies [SHDP-268] * Upgrade to use Spring 4.0.x as the Spring version [SHDP-285] * Upgrade Spring Integration to 3.0.x and Spring Batch to 4.0.x [SHDP-285] * Rename -test and -test-core modules [SHDP-291] YARN * Update to Spring Boot RC3 [SHDP-271] * Ease testing of packaged Spring Yarn apps [SHDP-254] * Fix inconsistencies in boot config properties [SHDP-276] * Add missing boot props for classpath [SHDP-280] * Allow more precise control of container localized files [SHDP-279] * Support testing using single annotation [SHDP-281] Changes in version 2.0.0 M5 (2014-02-03) ----------------------------------------- General * Upgrade Kite SDK to 0.10.1 [SHDP-253] Store * Change Dataset to support POJOs containing fields with null values [SHDP-245] * Generalize the hdfs io for codecs and writers [SHDP-192] Test * Improve MiniCluster to work well with JavaConfig [SHDP-252] * Fix configuration for Hive tests [SHDP-184] YARN * Add JavaConfig for YARN * Support YARN using Spring Boot [SHDP-235] Changes in version 2.0.0 M4 (2013-12-18) ----------------------------------------- General * Removing old Hadoop version 1.1.2 [SHDP-244] * Update to latest Spring projects versions [SHDP-233] * Update HBase versions to more recent ones [SHDP-222] Store * Create new spring-data-hadoop-store module [SHDP-231] * Add Datastore support based on Kite SDK project [SHDP-232] * Add support for writing via an OutputStream to HDFS [SHDP-240] * Add support for writing delimited entries into store [SHDP-239] Changes in version 2.0.0 M3 (2013-11-21) ----------------------------------------- General * Update all 2.0.x based distros to their 2.2.x version [SHDP-217] - Add CDH 5-beta and HDP 2.0 as build options - Enable spring-yarn support for Hadoop 2.2, HDP 2.0 and CDH5-beta * Removing old Hadoop version 1.0.4 and Cloudera CDH3 build options [SHDP-216] * Add namespace config option for hd.rm and use fs.defaultFS for hadoop2 [SHDP-224] Test * Add support using MiniDFSCluster with MapReduce tests [SHDP-208] YARN * Update to use Hadoop 2.2 APIs instead of 2.0 alpha [SHDP-171] Changes in version 2.0.0 M2 (2013-11-13) ----------------------------------------- General * Updating dependencies for Spring Framework, Batch and Integration to current [SHDP-186] * Adding Pivotal HD 1.1 as a supported distribution version * Adding Spring 4.0 as an option for compile & test * Adding support for using CDH4 YARN installations in addition to MR1 * Various bug fixes Core * Re-writing the HdfsResourceLoader [SHDP-201] Batch * Fixed remote DAO implementation due to API changes [SHDP-186] YARN * Ease Yarn MiniCluster log discovery [SHDP-190] Changes in version 2.0.0 M1 (2013-09-05) ----------------------------------------- Project Organization * We have broken the project code into separate sub-projects: - spring-hadoop-core - Core M/R, FSShell, Hive, Pig etc. and basic configuration - spring-hadoop-config - namespace support - spring-hadoop-batch - Batch is separate with separate namespace - spring-cascading - Cascading also separate with separate namespace - spring-hadoop-test - Test sub-project for integration testing - spring-yarn - New features for YARN applications (active for Apache Hadoop v2 based builds) General * Adding support for running with Hadoop version 2 * Making Apache Hadoop version 1.2.1 the default version * Upgrading build to recent versions for CDH 4.3.1, HDP 1.3 and Hadoop 2.0.6-alpha * Adding Pivotal HD 1.0 as a supported distribution Core * Changing DistributedCacheFactoryBean to use fs instead of conf for HdfsResourceLoader [SHDP-130] Batch * Storing Hadoop counters and job status for MR JobTasklet [SHDP-165] * Moving the batch namespace element back to core namespace [SHDP-209] YARN * Adding support for YARN applications with Hadoop version 2 Changes in version 1.0 GA (2013-02-26) -------------------------------------- General * Adjusted 'input-path' attribute in 'job' element from required to optional * Added scope attribute to all runner namespace elements * Improved Hive/Pig namespace to allow property placeholder replacement Package o.s.data.hadoop.cascading * Replaced HadoopFlowFactoryBean/cascading-flow jarSetup param/attribute with addCascadingJars Package o.s.data.hadoop.fs * Fixed incorrect DistCp.copy() method * Removed 'GenericOptionsParser' warning when invoking DistCp * Added user impersonation to DistCp utility * Improved execution of chmod in Hadoop 2.x distros Package o.s.data.hadoop.mapreduce * Reverted job default task execution to synchronous * Improved job behaviour when setting no-wait flag Package o.s.data.hadoop.pig * Improved registerScript method lookup in Pig 0.9 or higher Package o.s.data.hadoop.script * Refined ScriptTasklet class to cope with CGLIB class proxies Changes in version 1.0 RC2 (2013-01-21) --------------------------------------- General * Enhanced Cascading, Pig and MapReduce tasklets to expose execution stats to the Spring Batch infrastructure * Enhanced Cascading and MapReduce tasklets and runners to support cancellation * Introduced Cascading namespace * Improved spring-hadoop.xsd namespace * Extended test-suite to include CDH3u4, CDH4u2, Greenplum HD 1.2 and Apache Hadoop 1.1.x * Improved reference documentation * Upgraded to Cascading 2.1.2 * Upgraded to Hadoop 1.0.4 * Upgraded to Hive 0.10 * Upgraded to Pig 0.10.1 * Upgraded to Spring Integration 2.1.4 * Upgraded to Gradle 1.3 * Revised artifact Maven pom.xml to minimize number of dependencies * Removed any logging library declaration (project relies on the 'commons-logging' transitive dependency) * Removed o.s.data.hadoop.batch package Package o.s.data.hadoop.cascading * Refined local Taps timestamp for compatibility with Cascading 2.1 * Enhanced FlowFactoryBean to automatically add Cascading jars & dependencies to the target Flow when needed Package o.s.data.hadoop.configuration * Added top-level file-system/job-tracker uri attributes to the Configuration element Package o.s.data.hadoop.fs * Refined classpath setup for DistributedCache * Added warning regarding invalid classpath setup on Windows platform for DistributedCache (see HADOOP-9123) * Added work-around for early closing of the Hadoop file-system Package o.s.data.hadoop.hbase * Replaced HTable (class type) with HTableInterface (interface) * Improved HTable release process based on their producing factories * Added 'zk-host' and 'zk-port' attributes for ZooKeeper configuration to HBase element Package o.s.data.hadoop.mapreduce * Introduced depends-on attibute to Hadoop configuration, file-system and resource-loader elements for staged start-up * Refined the job configuration under Jar/Tool runner * Improved 'output' Job attribute by making it optional * Introduced utility for discovering a Job status from provisioning to completion Changes in version 1.0 RC1 (2012-10-07) --------------------------------------- General * Introduced Hive, Pig runner for declarative script execution * Refactored all (Cascading, M/R, Hive, Pig) runners as Callables instead of FactoryBeans * Renamed 'pig' to 'pig-factory' and 'pig-ref' to 'pig-factory-ref' * Renamed 'hive-client' to 'hive-client-factory' and 'hive-client-ref' to 'hive-client-factory-ref' * Introduced pre and post actions to all (Cascading, M/R, Hive, Pig) runners * Introduced embedded execution of Hadoop jars * Improved spring-hadoop.xsd namespace * Improved, refined and extended reference documentation * Improved artifacts pom * Upgraded to Spring Batch 2.1.9 * Upgraded to Hive 0.9.0 * Upgraded to Pig 0.10.0 * Upgraded to Gradle 1.2 Package o.s.data.hadoop.cascading * Introduced FlowFactoryBean Package o.s.data.hadoop.configuration * Fixed potential cycle with FileSystem url registration Package o.s.data.hadoop.fs * Added codecs support to hdfs resources * Refined DistributedCache fragment creation for CDH4/Hadoop 0.23 distros * Introduced options for closing the FileSystem * Fine-tuned the DistributedCache API for setting cache entries Package o.s.data.hadoop.hbase * Refined resource management of HBase tables Package o.s.data.hadoop.hive * Addressed swallowed exception occuring script execution * Improved HiveQL parsing for multi-line statements * Introduced variable binding and substitution per Hive script * Refined namespace to preserve parameter ordering * Introduced HiveClient factory (to deal with thread-safety issues) * Introduced HiveTemplate & callback * Introduced extended exception conversion to DataAccessException * Introduced HiveRunner Package o.s.data.hadoop.mapreduce * Introduced scope attribute for job definitions * Introduced verbose flag to job tasklet * Introduced more options for job and streaming namespace * Introduced jar executor * Refined Tool and Jar execution to prevent class loading leaks * Refactored JobRunner FactoryBean into a Callable * Introduced namespace for job-runner * Removed path validation from JobFactoryBean Package o.s.data.hadoop.pig * Refined namespace to preserve parameter ordering * Introduced PigServer factory (to deal with thread-safety issues) * Introduced PigTemplate & callback * Introduced extended exception conversion to DataAccessException * Refined execution of Pig scripts * Introduced PigRunner Package o.s.data.hadoop.scripting * Refactored HdfsScriptFactoryBean into HdfsScriptRunner * Script definitions no longer cause execution on container lookup Changes in version 1.0 M2 (2012-06-13) -------------------------------------- General * Introduced support for Hadoop Security * Enhanced namespace declaration * Introduced DAO support (Template & Callback) for HBase * Added pig and hbase samples * Upgraded to Hadoop 1.0.3 Package org.springframework.data.hadoop.cascading * Added local Taps for Spring Framework Resource * Added local Taps for Spring Integration MessageHandler and MessageSource Package org.springframework.data.hadoop.configuration * Refined creation of Configuration objects to be 'old' API aware Package org.springframework.data.hadoop.fs * Added support for hftp, hsftp and webhdfs Package org.springframework.data.hadoop.mapreduce * Added jar-based class-loading support * Introduced support for Hadoop generic options * Improved diagnostics in JobRunner and JobTasklet * Introduced identify mapper/reducer as defaults * Improved propagation of the thread context classloader (tccl) for Tool execution Package org.springframework.data.hadoop.scripting * Extended HdfsScriptFactory to allow direct wiring of Hadoop Configuration Changes in version 1.0 M1 (2012-02-23) -------------------------------------- General * Aligned build system with Spring Framework 3.2 * Improved namespace * Introduced support for Hadoop Tool * Introduced support for Cascading Package org.springframework.data.hadoop.batch * Introduce Spring Batch ItemReader for HDFS Package org.springframework.data.hadoop.configuration * Introduced more utility methods Package org.springframework.data.hadoop.mapreduce * Introduced support for Hadoop Tool * Fixed incorrect return value/type for JobRunner Changes in version 0.9 RELEASE (2012-02-06) ------------------------------------------- Spring XML namespace with support for creating and/or configuring - Hadoop Configuration object - MapReduce and Streaming Jobs - HBase configuration - Hive server and Thrift client - Pig server instances that register and execute scripts either locally or remotely - Hadoop DistributedCache Spring XML namespace for executing scripts authored in JSR233 compatible scripting languages Support for executing HDFS operations in Groovy, JRuby, Jython or Rhino based on Hadoop Configuration Embedded shell API for HDFS Spring Batch Integration - tasklets for - Map Reduce and Streaming jobs - Hive - Pig - Script execution Sample applications Reference documentation