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Hive is built by Ant, a Java build tool.

To build Hive, run

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You can specify a different Hadoop version with -Dhadoop.version="<your-hadoop-version>". By default, Hadoop tarballs are pulled from http://mirror.facebook.net/facebook/hive-depsImage Removed, which contains Hadoop 0.17.2.1, 0.18.3, 0.19.0, 0.20.0, 0.20.1, and 0.20S (aka 0.20.3-CDH3-SNAPSHOT). If the version you want is not here, then you'll need to set hadoop.mirror to a different source. For 0.19.2 and 0.20.2, you can use http://mirror.facebook.net/apacheImage Removed or any other Apache mirror. For other versions, you'll need to use http://archive.apache.org/distImage Removed (but don't use this unless you have to, since it's an overloaded server).

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If you are an Eclipse user, you can apply a patch by : 1. Right click project name in Package Explorer , 2. Team -> Apply Patch

Review Process

Note:  we are currently testing out Phabricator as an alternative to Review Board, so you can use either system for now.

If your patch contains more than 2 files that are changed and not yet had a review, please submit to Review Board. Some helpful hints for Review Board:

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  1. Don't make any changes to hive_metastore.thrift until instructed below.
  2. Use the approved version of thrift. This is currently thrift-0.5.0, which you can obtain from http://thrift.apache.org/Image Removed.
  3. Build the thrift compiler from its sources, then install it:
  4. cd /path/to/thrift-0.5.0
  5. ./configure --without-csharp --without-ruby
  6. make
  7. sudo make install
  8. Before proceeding, verify that which thrift returns the build of thrift you just installed (typically /usr/local/bin on Linux); if not, edit your PATH and repeat the verification. Also verify that the command 'thrift -version' returns the expected version number of Thrift.
  9. Now you can run the ant 'thriftif' target to generate the Thrift code:
  10. cd /path/to/hive-trunk/metastore
  11. ant thriftif -Dthrift.home=/path/to/thrift-0.5.0
  12. Use svn status to verify that the code generation was a no-op, which should be the case if you have the correct thrift version and everyone has been following these instructions. If you can't figure out what is going wrong, ask for help from a committer.
  13. Now make your changes to hive_metastore.thrift, and then run the compiler again:
  14. ant thriftif
  15. Now use svn status and svn diff to verify that the regenerated code corresponds only to the changes you made to hive_metastore.thrift. You may also need svn add if new files were generated (and svn remove if files have been obsoleted).
  16. cd /path/to/hive-trunk
  17. ant clean package
  18. Verify that hive is still working correctly with both embedded and remote metastore configurations.

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