[HDFS-9510] FsVolume should add the operation of creating file's time metrics

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.7.1
• Component/s: benchmarks, fs
• Assignee: Yiqun Lin
• Reporter: Yiqun Lin
• Created: 05/Dec/15 07:29
• Updated: 14/Jan/17 03:49
• Resolved: 14/Jan/17 03:46

Description

For one datanode, this datanode may be have not only one data directorys. And each dataDir has correspond to a FsVolums. And in some time, the one of these dataDirs being created files or dirs slowly because of hardware problems. What's more, it will influence the whole node. So we need to monitor these slow-writing disk.

Issue Links

• duplicates: HDFS-10959 Adding per disk IO statistics and metrics in DataNode.