Add path info of replica in catalog#327

Merged

imay merged 4 commits intoapache:masterfrom

morningman:path_report

Nov 19, 2018

Commits on Nov 17, 2018

Add path info of replica in catalog

morningman-cmy
authored and
morningman
committed
fix ut
morningman-cmy
committed

Commits on Nov 19, 2018

encapsulate report notification in a function. add mutex to protect epoch in heartbeat server
morningman-cmy
committed
change PathHash to function hash_of_path()
morningman
committed