[HDFS-9490] MiniDFSCluster should change block generation stamp via FsDatasetTestUtils

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.7.1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: test
• Target Version/s: 2.8.0
• Assignee: Tony Wu
• Reporter: Tony Wu
• Created: 01/Dec/15 18:35
• Updated: 12/May/16 18:13
• Resolved: 04/Dec/15 18:26

Description

MiniDFSCluster#changeGenStampOfBlock directly manipulates the block meta file to update the generation stamp. This depends on file based FsDataset.

We can abstract the change generation stamp operation in FsDatasetTestUtils.