[HDFS-16294] Remove invalid DataNode#CONFIG_PROPERTY_SIMULATED

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.2
• Fix Version/s: 3.4.0, 2.10.2, 3.3.2, 3.2.4
• Component/s: datanode
• Labels: pull-request-available
• Assignee: JiangHua Zhu
• Reporter: JiangHua Zhu
• Created: 02/Nov/21 07:41
• Updated: 04/Nov/21 08:50
• Resolved: 04/Nov/21 07:59

Description

As early as when HDFS-2907 was resolved, SimulatedFSDataset#CONFIG_PROPERTY_SIMULATED was removed. Replaced by: SimulatedFSDataset#Factory and DFSConfigKyes#DFS_DATANODE_FSDATASET_FACTORY_KEY.
However, the introduction to CONFIG_PROPERTY_SIMULATED is still retained in the DataNode.

Here are some traces related to HDFS-2907:
https://issues.apache.org/jira/browse/HDFS-2907
https://github.com/apache/hadoop/commit/efbc58f30c8e8d9f26c6a82d32d53716fb2b222a#diff-ab77612831fcb9a35e14c294417f0919c7a30c0cef9a4aec6b32d5f2df957020

Issue Links

• links to: GitHub Pull Request #3605