Error detection: Runtime memory corruption in user code.

错误检测：用户模式下的运行时内存崩溃。

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Runtime memory errors and leaks are among the hardest problems to detect in an application.

运行时内存错误和泄漏时应用程序中最难检测的问题之一。

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The heap provides runtime memory allocation, like the stack, meant for data that must outlive the function doing the allocation, unlike the stack.

堆提供运行时的内存分配，如堆栈，这意味着必须活得比做了分配的功能，不同的是堆栈的数据。

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Where Twitter does use Ruby, it deploys the code on a custom, highly optimized version of the Ruby runtime designed to manage memory more efficiently when executing long-running processes.

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