Memory leaks cause frequent GCs and result in high CPU usage and low throughput.

内存漏洞会导致频繁的GC，而且会导致高cpu使用率和低吞吐量。

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This article does not cover all of lxml but instead demonstrates techniques to efficiently process very large XML files, optimizing for high speed and low memory usage.

本文并没有介绍 lxml 的所有部分，但是演示了一些可以有效处理大型 XML 文件、进行优化以提高处理速度并减少内存使用的技术。

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For example, if it's a console company and they mainly use c, be ready to answer questions on linked lists, memory usage, and other low level questions.

举例来说，如果是一家游戏主机开发公司而他们主要使用C语言，那你就要准备回答链表，内存管理之类底层的问题。

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