Cheng Yan

> You can check if there is a file with negative number under data/datanode/system/compression_ratio/, the format of file name is Compress-{num1}-{num2} $ pwd /data01/iotdb2/data/datanode/system/compression_ratio $ ls -lh total 0 -rw-r--r--...

> Hi, which type timeseries are you using? Aligned timeseries or non aligned timeseries? Aligned timeseries.

> Hi, can you upload recent log files? I have solved this problem based on the suggestion of someone in the QQ group. steps: 1. stop the iotdb service. 2....

> This PR #12875 may solve the problem in compaction module. However, a negative compression ratio is not expected. We need some logs to locate this problem Thx. Unfortunately, this...