/* 你爱或者不爱我 爱就在那里 不增不减 */ while( you.love(me) || !you.love(me) ){ me.emotion.love.value++; me.emotion.love.value–; } **–苍央嘉措**
file deduplication
File system-based deduplication File system-based deduplication is a simple method to reduce duplicate data at the file level, and usually is just a compare operation within the file system or a file system-based algorithm that eliminates duplicates. An example of this method is comparing the name, size, type and date-modified information of two files with… Continue reading file deduplication
G1GC LOG
G1提供了两种GC模式，Young GC和Mixed GC，两种都是完全Stop The World的。 * Young GC：选定所有年轻代里的Region。通过控制年轻代的region个数，即年轻代内存大小，来控制young GC的时间开销。 * Mixed GC：选定所有年轻代里的Region，外加根据global concurrent marking统计得出收集收益高的若干老年代Region。在用户指定的开销目标范围内尽可能选择收益高的老年代Region。 内容来源于: Java Hotspot G1 GC的一些关键技术
Why does the JVM consume less memory than -Xms specified?
You’re looking at the resident memory – that is, the physical RAM consumed. See here for more info. The virtual memory, however, is the memory consumed by your application, including the memory swapped out (to disk). You’ll see there’s a closer correspondance with the virtual memory and your -Xms settings. why-does-the-jvm-consume-less-memory-than-xms-specified
生活
书画琴棋诗酒花 当年件件不离它 而今七字都变更 柴米油盐酱醋茶 《莲坡诗话》清·查为仁