Allen Lau fyeeme

Command Flags

Flag	Options	Description
`-codec:a`	libfaac, libfdk_aac, libvorbis	Audio Codec
`-quality`	best, good, realtime	Video Quality
`-b:a`	128k, 192k, 256k, 320k	Audio Bitrate
`-codec:v`	mpeg4, libx264, libvpx-vp9	Video Codec

	# Base settings and GC logging
	-server -XX:+AlwaysPreTouch # First should be default, but we make it explicit, second pre-zeroes memory mapped pages on JVM startup -- improves runtime performance
	# -Xloggc:gc-%t.log # CUSTOMIZE LOCATION HERE - $path/gc-%t.log -- the %t in the gc log file path is so we get a new file with each JVM restart
	-XX:NumberOfGCLogFiles=5 -XX:+UseGCLogFileRotation -XX:GCLogFileSize=20m # Limits the number of files, logs to folder
	-XX:+PrintGC -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+PrintHeapAtGC -XX:+PrintGCCause
	-XX:+PrintTenuringDistribution -XX:+PrintReferenceGC -XX:+PrintAdaptiveSizePolicy # gather info on object age & reference GC time for further tuning if needed.

	# G1 specific settings -- probably should be default for multi-core systems with >2 GB of heap (below that, default is probably fine)
	-XX:+UseG1GC
	-XX:+UseStringDeduplication

	原帖地址: http://topic.csdn.net/u/20110113/19/b0d5d506-4307-428b-a61d-7974aa66a2da.html

	首先要说明的是：这里介绍的方法都是大部分是本人“悟”出来的，所以网上难有流传！
	好方法不能自己私藏，否则就白忙乎这几天了，分享给有需要的朋友们。如果有转载，敬请注明来自CSDN老邓作品。
	呵呵，给自己打广告，实在是无耻之极，权当无聊之时打字之用。
	欢迎流传，为最优秀的分布式版本管理系统Git做宣传！！

	步骤：
	1. 下载：http://loaden.googlecode.com/files/gitconfig.7z
	2. 解压到：<MsysGit安装目录>/cmd/，例如：D:\Program Files\Git\cmd