[HDFS-8519] Patch for PPC64

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 2.7.1

Environment

RHEL 7.1 /PPC64

• Target Version/s: 2.7.1
• Flags: Patch
• Assignee: Unassigned
• Reporter: Tony Reix
• Created: 02/Jun/15 14:37
• Updated: 05/Jan/17 19:59
• Resolved: 02/Jun/15 15:03

Description

The attached patch enables Hadoop to work on PPC64.
That deals with SystemPageSize and BloclSize , which are not 4096 on PPC64.

There are changes in 3 files:

• hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
• hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestFsDatasetCache.java
• hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCacheDirectives.java

where 4096 is replaced by getOperatingSystemPageSize() or by using PAGE_SIZE

The patch has been built on branch-2.7 .