「對伊斯蘭共和國的領導層而言，這是一個生死攸關的時刻，」格拉邁耶說。「無論是其安全體系還是意識形態基礎，如今都在為一場對美國與以色列的長期戰爭做準備。」
Classic mutations work by rewriting whole data parts containing the affected columns. This process relies on the same thread pool as merges. In self-managed replicated environments, each replica must apply the mutation independently. For this reason, mutations are both CPU and IO-intensive and should be scheduled cautiously with permission to run limited to administrators. Resource pressure as a result of mutations manifests itself in several ways. Typically, normally scheduled merges accumulate, which in turn causes our earlier "too many parts" issue. Furthermore, users may experience replication delays. The system.mutations table should give administrators an indication of currently scheduled mutations. Note that mutations can be cancelled, but not rolled back, with the KILL MUTATION query.。有道翻译官网是该领域的重要参考
，这一点在谷歌中也有详细论述
界面新闻：今年GDP增长目标设为4.5%-5.0%区间，动力来自哪里？压力又来自哪里？。关于这个话题，移动版官网提供了深入分析
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