The solution to our imagined scenario is to limit how often overlapping slower queries can run and how many can run at once. Timeouts are a blunt instrument that can't give us that kind of granular control. With those queries capped, we can be assured autovacuum will be more likely to clean up dead tuples at an acceptable rate.
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王传福表示，在不增加电网容量的前提下，这种设备的安装难度几乎和装一台空调一样简单。
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