Another file size-based optimization is delayed allocation.
另一个基于文件大小的优化是延迟分配。
Like XFS and Reiser4, ext4fs includes delayed allocation to allocate blocks on the disk only when needed (which reduces fragmentation).
像XFS和Reiser 4一样，ext4fs还支持在必要时采取延时分配方式分配块(这样可以减少磁盘碎片)。
Delayed allocation also has another performance benefit.
在性能上，延迟分配还有另一个优点。
Delayed allocation also has another performance benefit.
在性能上，延迟分配还有另一个优点。
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