Severity: high
Two sstable_set_overlapping_count() calls (O(n^2) overlap computation)
were passed as direct arguments to a debug log, causing them to be
evaluated eagerly even when debug logging is disabled. Use
seastar::value_of() to defer the computation to log-time.
AI-assisted: OpenCode / Claude Opus 4.6
Signed-off-by: Yaniv Kaul <yaniv.kaul@scylladb.com>