zhangbutao commented on code in PR #24:
URL: https://github.com/apache/hive-site/pull/24#discussion_r1900119718
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content/docs/latest/manual-installation_283118363.md:
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@@ -378,6 +379,77 @@ That directory should contain all the files necessary to
run Hive. You can run i
From now, you can follow the steps described in the section Installing Hive
from a Tarball
+## Installing with old version hadoop(>=3.1.0)
+
+Although we normally require hive4 to rely on a
+hadoop 3.3.6+ cluster environment.
+However, in practice, in an ON YARN environment,
+we can package all the hadoop related dependencies into
+tez&hive so that they do not need to rely on the lib
+of the original hadoop cluster environment at runtime.
+In this way, we can run HIVE4 in a lower version of hadoop,
+provided that the base APIs of the hadoop 3.x series are common to
+each other.
+
+The steps are as follows:
+
+1.Download the high version of the Hadoop package, unzip it, and then set the
hadoop_home finger of the env script in HIVE4 to the path where the high
version of hadoop is unzipped.
+
+2.Compile TEZ to get tez.tar.gz which contains all hadoop related
dependencies,
+first extract it on the physical machine where HIVE is deployed and configure
the TEZ_HOME in HIVE to point to it,
+then place tez.tar.gz in a path in hdfs.
+
+```shell
+## This is an example,Users should install HIVE and TEZ into actual
directories.
+## In this example, we have installed HIVE-4.0.1 and TEZ-0.10.4 on an Hadoop
3.1.0 cluster.
+[root@hmsclient01 opt]# cd /opt
+[root@hmsclient01 opt]# ll
+drwxr-xr-x 11 hive hadoop 4096 Nov 7 13:59 apache-hive-4.0.1-bin
+drwxr-xr-x 3 hive hadoop 4096 Nov 7 13:59 apache-tez-0.10.4-bin
+drwxr-xr-x 10 hive hadoop 4096 Nov 7 13:59 hadoop-3.3.6
+lrwxrwxrwx 1 hive hadoop 30 Nov 7 13:59 hive-4.0.0 ->
apache-hive-4.0.1-bin
+lrwxrwxrwx 1 hive hadoop 21 Nov 7 13:59 tez -> apache-tez-0.10.4-bin
+```
+
+edit `hive-env.sh`
+
+```shell
+# Folder containing extra libraries required for hive compilation/execution
can be controlled by:
+export TEZ_HOME=/opt/tez
+# Set HADOOP_HOME to point to a specific hadoop install directory
+#HADOOP_HOME=${HADOOP_HOME:-/usr/hdp/current/hadoop-client}
Review Comment:
Can we remove this line?
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