write-rewind overlay occurs,the write speed inefficiency

[geniusgogo]

HI,ALL.
I have a cache file that is fixed length, each cached data is 200 bytes, and a total of 5,000 caches.
File writes are very slow (about 20 seconds) when a write-rewind overlay occurs.

[geniusgogo]

I used multiple file separation storege

[geky]

Glad you were able to find a workaround, this issue covers the same underlying limitation: #244