第一类丢失更新 lost update
第二类丢失更新 second lost updates
丢失更新问题 lost update problem
更新丢失 lost update
资料丢失、未及时更新 Data loss, no update ; Information is missing, failure to timely update ; Information is missing, not timely updates
设置将不再丢失更新部件。
第二个问题就更严重，需要关心谁阅读了可编辑Web：通过无条件的签出来检查丢失更新的问题。
The second problem is more serious and should be of concern to anyone who's read Editing the Web: Detecting the Lost Update problem Using Unreserved Checkout.
角色模型中没有锁和同步块，所以不会出现由它们引发的问题，比如死锁、严重的丢失更新问题。
There are no locks and synchronized blocks in the actor model, so the issues that arise from them — like deadlocks and the nefarious lost-update problem — aren't a problem.
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