2 ms·
But you can always correct the mistake and recompute things. Unlike systems based on mutable data, mistakes aren't permanent.
by nathanmarz 15y ago
But you can always correct the mistake and recompute things. Unlike systems based on mutable data, mistakes aren't permanent.
- ww520 15y agoIf the transaction log is kept for the mutable system, you can always replay the transaction to arrive at the correct state. Most systems truncate the transaction log after a checkpoint to save space. If space is not an issue, you can always keep the transaction log since the beginning.