github.com/zuoyebang/bitalosdb@v1.1.1-0.20240516111551-79a8c4d8ce20/internal (about) arenaskl base batchskl bindex bitask bytepools cache compress consts crc errorfs fastrand hash humanize invariants list2 manifest manual mmap options rate rawalloc record sortedkv statemachine unsafe2 utils vfs