Apache Pig 0.10.1发布

赵小黑

　　Apache Pig 0.10.1已经发布,这个版本并没有什么特性,更多的是为了稳定性以及一些bug的修正
　　显著变化：
　　1. 代码独立以及支持多种格式的下载.
　　下载地址: http://www.fightrice.com/mirrors/apache/pig/pig-0.10.1/
　　可以通过tar.gz,rpm,deb等方式下载获取
　　2. 更好的支持 Apache Hadoop 0.23.x/2.x 
　　从0.10.0开始,pig就已经加入了Maven仓库.你可以通过以下方式配置pom.xml来使用pig0.10.1

<dependency>
<groupId>org.apache.pig</groupId>
<artifactId>pig</artifactId>
<version>0.10.1</version>
<classifier>h2</classifier>
</dependency>
　　同时Pig团队修正了Pig运行在Hadoop 0.23X/2.X版本上的一些Bug( PIG-3035, PIG-2783, PIG-2761, PIG-2912, PIG-2791)
　　3.更好的支持Oracle JDK7.0
　　4.单元测试的错误修正
　　具体修改如下:
　　IMPROVEMENTS
　　PIG-2907: Publish pig jars for Hadoop2/23 to maven (rohini)
　　PIG-3019: Need a target in build.xml for source releases (gates)
　　PIG-2794: Pig test: add utils to simplify testing on Windows (jgordon via gates)
　　PIG-2908: Fix unit tests to work with jdk7 (rohini via dvryaboy) 
　　PIG-2852: Update documentation regarding parallel local mode execution (cheolsoo via jcoveney)
　　PIG-2712: Pig does not call OutputCommitter.abortJob() on the underlying OutputFormat (rohini via gates)
　　PIG-2727: PigStorage Source tagging does not need pig.splitCombination to be turned off (prkommireddi via dvryaboy)
　　PIG-2711: e2e harness: cache benchmark results between test runs (thw via daijy)
　　PIG-2680: TOBAG output schema reporting (andy schlaikjer via jcoveney)
　　PIG-2650: Convenience mock Loader and Storer to simplify unit testing of Pig scripts (julien)
　　BUG FIXES
　　PIG-3107: bin and autocomplete are missing in src release (daijy)
　　PIG-3106: Missing license header in several java file (daijy)
　　PIG-3099: Pig unit test fixes for TestGrunt(1), TestStore(2), TestEmptyInputDir(3) (vikram.dixit via daijy)
　　PIG-3035: With latest version of hadoop23 pig does not return the correct exception stack trace from backend (rohini)
　　PIG-2953: "which" utility does not exist on Windows (daijy)
　　PIG-2960: Increase the timeout for unit test (daijy)
　　PIG-2958: Pig tests do not appear to have a logger attached (daijy)
　　PIG-2942: DevTests, TestLoad has a false failure on Windows (jgordon via daijy)
　　PIG-2943: DevTests, Refactor Windows checks to use new Util.WINDOWS method for code health (jgordon via dvryaboy)
　　PIG-2801: grunt "sh" command should invoke the shell implicitly instead of calling exec directly with the command tokens
　　(jgordon via daijy)
　　PIG-2800: pig.additional.jars path separator should align with File.pathSeparator instead of being hard-coded to ":"
　　(jgordon via azaroth)
　　PIG-2798: pig streaming tests assume interpreters are auto-resolved (jgordon via daijy)
　　PIG-2797: Tests should not create their own file URIs through string concatenation, should use Util.generateURI
　　instead (jgordon via daijy)
　　PIG-2796: Local temporary paths are not always valid HDFS path names (jgordon via daijy)
　　PIG-2795: Fix test cases that generate pig scripts with "load " + pathStr to encode "\" in the path (jgordon via daijy)
　　PIG-2940: HBaseStorage store fails in secure cluster (cheolsoo via daijy)
　　PIG-2821: HBaseStorage should work with secure hbase (rohini via daijy)
　　PIG-2890: Revert PIG-2578 (dvryaboy)
　　PIG-2859: Fix few e2e test failures (rohini via daijy)
　　PIG-2729: Macro expansion does not use pig.import.search.path - UnitTest borked (johannesch via daijy)
　　PIG-2791: Pig does not work with Namenode Federation (rohini via daijy)
　　PIG-2783: Fix Iterator_1 e2e test for Hadoop 23 (rohini via daijy)
　　PIG-2761: With hadoop23 importing modules inside python script does not work (rohini via daijy)
　　PIG-2759: Typo in document "Built In Functions" (daijy)
　　PIG-2745: Pig e2e test RubyUDFs fails in MR mode when running from tarball (cheolsoo via daijy)
　　PIG-2741: Python script throws an NameError: name 'Configuration' is not defined in case cache dir is not created
　　(knoguchi via daijy)
　　PIG-2669: Pig release should include pig-default.properties after rebuild (daijy)
　　PIG-2739: PyList should map to Bag automatically in Jython (daijy)
　　PIG-2730: TFileStorage getStatistics incorrectly throws an exception instead of returning null (traviscrawford via daijy)
　　PIG-2717: Tuple field mangled during flattening (daijy)
　　PIG-2721: Wrong output generated while loading bags as input (knoguchi via daijy)
　　PIG-2912: Pig should clone JobConf while creating JobContextImpl and TaskAttemptContextImpl in Hadoop23 (rohini via daijy)
　　PIG-2775: Register jar does not goes to classpath in some cases (daijy)
　　粗鲁的翻译自:http://hortonworks.com/blog/apache-pig-0-10-1-released/    
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