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Transactions requiring disk I/O, such as flushing dirty pages from the buffer pool or flushing logs from the log buffer, may wait.

要求磁盘 I/O 的事务，例如刷新缓冲池中的脏页或者刷新日志缓冲区中的日志，可能需要等待。

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Connection pool wait time represents the amount of time an application is blocked waiting for a connection from the connection pool.

连接池等待时间表示应用程序阻塞时等待连接池连接的时间。

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South Africa, England, or perhaps even Samoa from Pool A lie in wait in the knock-out stage.

BBC: SPORT | Rugby Union | Welsh | Wales backing Hook to bounce back

Armstrong had posted on his Twitter account last month that he was in swimming training but he will now have to wait to make his competitive debut in the pool.

CNN: Lance Armstrong's return to competition sunk

Pink, a moonman winner for Best Pop Video, assured a pool of reporters that the stunts were still going on--just backstage (wait, weren't MTV's cameras supposed to capture that?).

FORBES: Magazine Article