[HDFS-8659] Block scanner INFO message is spamming logs

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.1
• Fix Version/s: 2.8.0, 2.7.2, 3.0.0-alpha1
• Component/s: datanode
• Labels: supportability
• Hadoop Flags: Reviewed
• Assignee: Yongjun Zhang
• Reporter: Yongjun Zhang
• Created: 24/Jun/15 18:54
• Updated: 06/Jan/17 01:40
• Resolved: 29/Jun/15 22:07

Description

We are seeing the following message spam the DN log:

2015-06-16 08:51:10,566 INFO org.apache.hadoop.hdfs.server.datanode.BlockScanner: Not scanning suspicious block BP-943360218-10.106.148.16-1416571803827:blk_1083076388_9372245 on DS-2ec89056-afb0-459e-b4e0-ac5eaececda3, because the block scanner is disabled.

Create this jira to change this and other relevant messages to debug level.