Thats a good find Dmitry Simonov. Even in DFSAdmin, everywhere its used just to print to console.
You can raise a jira and post a patch to refactor this. -Vinay On Tue, Mar 31, 2015 at 12:34 PM, Dmitry Simonov <dimmobor...@gmail.com> wrote: > Hello! > > Why DFSClient in HA-cluster tries to resolve HA cluster name? > > I have just been investigating a problem - FileSystem.get() method > sometimes takes too long time to complete, about 2-3 seconds, and found > that: > > 1. DFSClient makes call to NameNodeProxies.createProxy() > 2. createProxy() method, in the "HA case", tries to resolve nameNodeUri to > IP-address (even if it is a logical nameservice name). It wastes time. > 3. In the returned object (of ProxyAndInfo<T> class), IP-address is used > only in DFSAdmin tool (via call to "InetSocketAddress getAddress()" > method). > > Best regards, Dmitrii Simonov. >
