25 Killer Actions to Boost Your Self-Confidence Once we believe in ourselves, we can risk curiosity, wonder, spontaneous delight, or any experience that reveals the human spirit. – E.E. Cummings Post written by Leo Babauta. Follow me on Twitter. One
原题链接 Problem Description You are a "Problem Killer", you want to solve many problems. Now you have n problems, the i-th problem's difficulty is represented by an integer ai (1≤ai≤109).For some strange reason, you must choose some integer l and r
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原文:http://www.vpsee.com/2013/10/how-to-configure-the-linux-oom-killer/ 最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉,还有位客户抱怨 VPS 经常死机,登陆到终端看了一下,都是常见的 Out of memory 问题. 这通常是因为某时刻应用程序大量请求内存导致系统内存不足造成的,这通常会触发 Linux 内核里的 Out of Memory (OOM) killer,OOM killer 会杀掉某个进程以腾出内存留给
最近有位 VPS 客户抱怨 MySQL 无缘无故挂掉,还有位客户抱怨 VPS 经常死机,登陆到终端看了一下,都是常见的 Out of memory 问题.这通常是因为某时刻应用程序大量请求内存导致系统内存不足造成的,这通常会触发 Linux 内核里的 Out of Memory (OOM) killer,OOM killer 会杀掉某个进程以腾出内存留给系统用,不致于让系统立刻崩溃.如果检查相关的日志文件(/var/log/messages)就会看到下面类似的 Out of memory: Ki