feat: Add log message to indicate that we are running an optimized TS…

…M compaction on a single generation

tsdb/engine/tsm1/engine.go

@@ -2167,12 +2167,13 @@ func (e *Engine) compact(wg *sync.WaitGroup) {
 						level3Groups = level3Groups[1:]
 					}
 				case 4:
-					// From testing, I've found that 10_000 (10x) default points per block
-					// is suitable for when we have a single generation with multiple files at max block
+					// From testing, I've found that 100_000 is suitable for when we have a
+					// single generation with multiple files at max block
 					// size under 2 GB. In order to further compact these files the points per block needs
-					// to be upped.
+					// to be increased.
 					if genLen == 1 {
-						e.Compactor.Size = tsdb.DefaultMaxPointsPerBlock * 10
+						e.logger.Info("TSM optimized compaction on single generation running, increasing total points be block to 100_000.")
+						e.Compactor.Size = tsdb.DefaultMaxPointsPerBlock * 100
 					} else {
 						e.Compactor.Size = tsdb.DefaultMaxPointsPerBlock
 					}