Fast and Parallelized Crash Consistency with Opportunistic Order Elimination
Jiahao Chen, Yanqi Pan, Wen Xia, Hao Huang, Peixin Zeng, Yuchen Shan
2026Year
Abstract
File systems rely on enforcing storage order for crash recovery. However, this ordering requirement limits I/O parallelism, especially in persistent memory (PM) file systems where ordered I/Os are synchronized for direct access, preventing file systems from fully exploiting PM I/O parallelism.
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