~ # ./juicefs bench /data
2026/05/11 16:23:48.713785 juicefs[15] <WARNING>: Failed to clean kernel caches: exit status 1 [bench@bench.go:352]
2026/05/11 16:23:48.719080 juicefs[15] <WARNING>: open stats file under mount point /data: open /data/.stats: no such file or directory [readStats@stats.go:372]
2026/05/11 16:25:26.648684 juicefs[15] <WARNING>: Failed to clean kernel caches: exit status 1 [bench@bench.go:352]
2026/05/11 16:26:30.597435 juicefs[15] <WARNING>: Failed to clean kernel caches: exit status 1 [bench@bench.go:352]
2026/05/11 16:26:37.437702 juicefs[15] <WARNING>: Failed to clean kernel caches: exit status 1 [bench@bench.go:352]
  Write big blocks: 1024/1024 [==============================================================]  10.5/s used: 1m37.930190096s
   Read big blocks: 1024/1024 [==============================================================]  19.9/s used: 51.357173516s
Write small blocks: 100/100 [==============================================================]  7.9/s  used: 12.590027847s
 Read small blocks: 100/100 [==============================================================]  14.6/s used: 6.83504654s
  Stat small files: 100/100 [==============================================================]  32.9/s used: 3.043323577s
Benchmark finished!
BlockSize: 1.0 MiB, BigFileSize: 1.0 GiB, SmallFileSize: 128 KiB, SmallFileCount: 100, NumThreads: 1
+------------------+--------------+----------------+
|       ITEM       |     VALUE    |      COST      |
+------------------+--------------+----------------+
|   Write big file |  10.46 MiB/s |   97.89 s/file |
|    Read big file |  19.94 MiB/s |   51.35 s/file |
| Write small file |  7.9 files/s | 125.86 ms/file |
|  Read small file | 14.6 files/s |  68.31 ms/file |
|        Stat file | 33.1 files/s |  30.22 ms/file |
+------------------+--------------+----------------+