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7a7e1f7a7c
It exposes the metrics of file descriptor limit and file descriptor used. Moreover, it prints out warning when more than 80% of fd limit has been used. ``` 2015/04/08 01:26:19 etcdserver: 80% of the file descriptor limit is open [open = 969, limit = 1024] ```
pkg/ is a collection of utility packages used by etcd without being specific to etcd itself. A package belongs here only if it could possibly be moved out into its own repository in the future.