[HBASE-21263] Mention compression algorithm along with other storefile details

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 1.3.3, 2.2.0, 2.1.1, 2.0.3, 1.4.9, 1.2.9
• Labels: beginner beginners
• Hadoop Flags: Reviewed
• Assignee: Subrat Mishra
• Reporter: Andrew Kyle Purtell
• Created: 02/Oct/18 22:02
• Updated: 01/Feb/19 20:25
• Resolved: 16/Oct/18 21:04

Description

Where we log storefile details we should also log the compression algorithm used to compress blocks on disk, if any.

For example, here's a log line out of compaction:

2018-10-02 21:59:47,594 DEBUG [regionserver/host/1.1.1.1:8120-longCompactions-1538517461152] compactions.Compactor: Compacting hdfs://namenode:8020/hbase/data/default/TestTable/86037c19117a46b5b8148439ea55753b/i/3d04a7c28d6343ceb773737dbb192533, keycount=3335873, bloomtype=ROW, size=107.5 M, encoding=ROW_INDEX_V1, seqNum=154199, earliestPutTs=1538516084915

Aside from bloom type, block encoding, and filename, it would be good to know compression type in this type of DEBUG or INFO level logging. A minor omission of information that could be helpful during debugging.