Hi, there In fio output, sometimes I see tail percentile latency to be 17112760320, and it remains this value to 99.99%, why? Also, the mean latency is larger than this value? (intuitively, tail latency should be larger than mean latency...?) What's the reason and how to make it reasonable? "clat_ns" : { ... "mean" : 41081227631.728256, ... "percentile" : { "1.000000" : 1669332992, "5.000000" : 10536091648, "10.000000" : 17112760320, "20.000000" : 17112760320, ... "99.950000" : 17112760320, "99.990000" : 17112760320 } }, "lat_ns" : { ... "mean" : 41087031313.177292, ... } Thank you YL CONFIDENTIALITY NOTE: This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. If you receive this e-mail in error, please notify us immediately and delete this mail as well as its attachment(s) from your system. In addition, please be informed that collection, processing, and/or use of personal data is prohibited unless expressly permitted by personal data protection laws. Thank you for your attention and cooperation. Macronix International Co., Ltd. =====================================================================