Update weed/util/log_buffer/log_buffer.go

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

weed/util/log_buffer/log_buffer.go

@@ -64,7 +64,7 @@ func NewLogBuffer(name string, flushInterval time.Duration, flushFn LogFlushFunc
 		notifyFn:       notifyFn,
 		flushChan:      make(chan *dataToFlush, 256),
 		isStopping:     new(atomic.Bool),
-		batchIndex:     time.Now().UnixNano(), // Initialize with process start time for uniqueness
+		batchIndex:     time.Now().UnixNano(), // Initialize with creation time for uniqueness across restarts
 	}
 	go lb.loopFlush()
 	go lb.loopInterval()