Seeing execution hints in logs for system compaction

[keith-turner]

Describe the bug After running a user compaction with hints, the hints will show up in the logs for system compactions.

Versions (OS, Maven, Java, and others, as appropriate):

• Affected version(s) of this project: 7c6572caf336cd76bb794befe7a31dce3503cd4b

To Reproduce A compaction like the following was run with execution hints set.

compact -t testtab -w --exec-hints compaction_type=test

The user compaction completed and more files were inserted causing a system compaction. The logging for system compaction showed the hints from the previous user compaction. Hints should only be associated with an active user compaction.

2024-04-12T20:54:46,255 [tablet.files] DEBUG: Compacting 2<< on i.default.small for SYSTEM from [F000000f.rf, F000000e.rf, F000000d.rf, A000000c.rf] size 864 bytes config [hints={compaction_type=test}]

Expected behavior Should not see hints related to system compactions.