Updated Branches: refs/heads/1.4.5-SNAPSHOT 975e8c05e -> 79266cba1 refs/heads/1.5.1-SNAPSHOT 74495249d -> b315fe2d4
ACCUMULO-1796 Document supported Hadoop for binary distro Signed-off-by: Mike Drob <md...@cloudera.com> Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/79266cba Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/79266cba Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/79266cba Branch: refs/heads/1.4.5-SNAPSHOT Commit: 79266cba135cf81f6241705746481795b2820cd4 Parents: 975e8c0 Author: Bill Havanki <bhava...@cloudera.com> Authored: Fri Dec 6 12:08:49 2013 -0500 Committer: Mike Drob <md...@cloudera.com> Committed: Fri Dec 27 12:28:11 2013 -0800 ---------------------------------------------------------------------- README | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/accumulo/blob/79266cba/README ---------------------------------------------------------------------- diff --git a/README b/README index a70d62b..08bac4c 100644 --- a/README +++ b/README @@ -11,14 +11,16 @@ key/value pairs at various points in the data management process. 1. Building In the normal tarball or RPM release of accumulo, everything is built and -ready to go on x86 GNU/Linux: there is no build step. +ready to go on x86 GNU/Linux for Hadoop 0.20.x and Hadoop 1.x: there is no +build step. -However, if you only have source code, or you wish to make changes, you need to -have maven configured to get Accumulo prerequisites from repositories. See -the pom.xml file for the necessary components. +However, if you only have source code, or you wish to make changes, or you +wish to run under a different version of Hadoop, you need to have Maven +configured to get Accumulo prerequisites from repositories. See the pom.xml +file for the necessary components. -Run "mvn package && mvn assembly:single -N". By default, -Accumulo compiles against Hadoop 0.20.203.0. To compile against a different version +Run "mvn package && mvn assembly:single -N". By default, Accumulo compiles +against Hadoop 0.20.203.0. To compile against a different version that is compatible with Hadoop 1.0, specify hadoop.version on the command line, e.g. "-Dhadoop.version=0.20.205.0" or "-Dhadoop.version=1.1.0". To compile against Hadoop 2.0, specify "-Dhadoop.profile=2.0". By default this uses @@ -74,8 +76,9 @@ found in the same location on every machine in the cluster. You will need to have password-less ssh set up as described in the hadoop documentation. You will need to have hadoop installed and configured on your system. -Accumulo 1.4.5-SNAPSHOT has been tested with hadoop version 0.20.2 and -0.20.203.0. +As a part of our release process, Accumulo is tested on a variety of Hadoop +versions. For specific details about tested configurations, please see the +release notes for this version of Accumulo. Additionally, it is strongly recommended that you enable 'dfs.datanode.synconclose' (only available in Apache Hadoop >=1.1.1 or >=0.23) in your hdfs-site.xml configuration