Could you please do me a favor? I’m a beginner of DL. These days I run the DL-benchmark and I encounter some problems.
1. I have a doubt what the benchmark actually tests. For instance, I found in the class com.twitter.benchmark.stream.AsyncReaderBenchmark, it records the time to open the reader and the time to read records. But after I run the class, I found only the first time is recorded in file dbench.log. So I have no idea about how it shows performance of AsyncLogReader and whether it test the throughput of AsyncLogReader. 2. Another problem is LedgerReadBenchmark. I found when read in this way, it starts a thread which the other two didn’t. I would have thought I should do some comparsion between AsyncReaderBenchmark/SyncReaderBenchmark and LedgerReadBenchmark. So what LedgerReadBenchmark actually tests? 3. I found both of AsyncLogReader and LogReader read records sequentially and AsyncLogReader shows better performance. I want to know the different usage scenario of them. 4. what is the difference between entry and log record? Looking forward to your answer! -- 康斯淇 中国科学院计算技术研究所 先进计算中心 电话：18781961524 E-mail：kangs...@ict.ac.cn 地址：北京市海淀区中关村科学院南路6号 100190
