Ruby垃圾收集 [英] Ruby garbage collect

问题描述

  GC.start 
  

解决方案

有时需要启动它，但通常它是有效的罚款本身。我曾经遇到这样的情况，如果应用程序在未检查的情况下啃过1GB的内存，则会深入到swap，触发> GC.start 间歇性地将其切分为100MB。

麻烦的是，调用这种方法非常昂贵，并且如果积极使用，可能会显着降低应用程序的性能。

When would you use this garbage collection method in your Ruby program(s)?

GC.start

解决方案

There are occasions when it's necessary to kick it off, but usually it works fine by itself. I've had situations where an app will chew through 1GB of memory if left unchecked, pushing deep into swap, where triggering GC.start intermittently will cut that to 100MB.

The trouble is that calling this method is very expensive and can slow down your application considerably if used aggressively.

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