Use the "read-write” strategy if your data is read-write.

如果你的数据是又读又写的，那么使用“read-write”策略。

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Use the "nonstrict-read-write" strategy if your data is read-mostly or concurrent cache access and update is rare.

如果你的数据读很多或者很少有并发缓存访问和更新，那么可以使用“nonstrict - read - write”策略。

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Optimistic Locking is a strategy where you read a record, take note of a version number and check that the version hasn't changed before you write the record back.

乐观锁是这样一种策略，你可以读取记录，记录版本号并检查，在你写回之前该版本没有改变。

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