public static LogSegment open(File dir, long baseOffset, LogConfig config, Time time, int initFileSize, boolean preallocate) throws IOException {
        return open(dir, baseOffset, config, time, false, initFileSize, preallocate, "");
    }
Change the last modified time for this log segment
storage/src/main/java/org/apache/kafka/storage/internals/log/LogSegment.java