free up a loop structure */

do not submit kernel events for fds that have reify set */ because that means they changed while we were polling for new events */

make sure the external fd watch events are in-sync */ with the kernel/libev internal state */

文件名

* 得到Runnable对象 * * @return Runnable */

取一section下所有的key

得到所有section的名字

direction

use integer hash to optimize uniform condition compared to silly mod sharding

./ldb_verify -f dataserver.conf -l fix.log -t 4 -e -b timerangestart -d timerangeend -k -l -a 2

* 检查文件是否存在 */