[HBASE-13120] Allow disabling hadoop classpath and native library lookup

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.98.0
• Fix Version/s: 1.0.1, 1.1.0, 0.98.12, 2.0.0
• Component/s: hadoop2, scripts
• Assignee: Siddharth Wagle
• Reporter: Siddharth Wagle
• Created: 27/Feb/15 00:27
• Updated: 17/May/18 20:43
• Resolved: 28/Feb/15 00:28

Description

• Current bin/hbase script sets the java.library.path to include hadoop native libs based on what version of hadoop is installed on the box.

  HADOOP_IN_PATH=$(PATH="${HADOOP_HOME:-${HADOOP_PREFIX}}/bin:$PATH" which hadoop 2>/dev/null)
  

• This effectively means that a self-contained HBase running with a different version of embedded hadoop jars will fail to work in case of version incompatibilities.

• Example: AMBARI-5707, runs a embedded HBase on local FS side-by-side with cluster Hadoop installation.

• It would be good to have a hbase-env variable to completely override native lib path or a config to disable native lib path lookup, in which case user has to provide it during start.