坐井以观天
发布时间:2013-12-19 17:44:06
# data records are separated by newline symbol,filds are separated by comma symbol# take it as a entire string # put it into a arrayarr=(`echo -e "name=joe,id=5\nname=jack,id=7\nname=ben,id=10"`)echo "records contents: ${arr[@]}"echo "records number: ${#arr[@]}"for i in ${arr[@]}do&.........【阅读全文】
发布时间:2013-12-11 14:17:31
检查点的主要目的是以对数据库的日常操作影响最小的方式刷新脏块。脏块不断的产生,如何将脏块刷新到磁盘中去呢?......【阅读全文】