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commit b6215e97248e9bf00b6d05b7dd806f54376587b0 Author: James Turton <[email protected]> AuthorDate: Mon Jan 17 11:50:15 2022 +0200 Document the new hadoop-2 build profile. --- .../develop-drill/010-compiling-drill-from-source.md | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/_docs/en/developer-information/develop-drill/010-compiling-drill-from-source.md b/_docs/en/developer-information/develop-drill/010-compiling-drill-from-source.md index 4b13cab..4c39a5e 100644 --- a/_docs/en/developer-information/develop-drill/010-compiling-drill-from-source.md +++ b/_docs/en/developer-information/develop-drill/010-compiling-drill-from-source.md @@ -41,10 +41,16 @@ Build Apache Drill: mvn clean install -DskipTests -If you want to deploy Apache Drill on the MapR platform, include the `-Pmapr` option to build Drill under the MapR profile: +If you want to deploy Apache Drill on the MapR platform, include the `-Pmapr` option to build Drill under the MapR profile. mvn clean install -DskipTests -Pmapr +**Introduced in release: 1.20** + +Drill updated its Hadoop client libraries to Hadoop 3 in release 1.17 leaving Hadoop 2 users unable to upgrade beyond Drill 1.16. As of Drill 1.20 it once again becomes possible to build Drill for deployment in an Hadoop 2 environment, by including the `-Phadoop-2` option to select the Hadoop 2 profile. + + mvn clean install -DskipTests -Phadoop-2 + A tarball is built and appears in the distribution/target directory. Move the tarball to another directory for unpacking. Unpack the tarball and then connect to Drill and query sample data, or connect Drill to your data sources. * To connect Drill to your data sources, refer to [Connect to Data Sources]({{ site.baseurl }}/docs/connect-a-data-source-introduction) for instructions.
