Chunk server: set RPC pointer to 0 in meta server state machine before detaching authentication and hello RPCs in order to prevent possible use after delete and ensure that the meta server connection state is valid and current prior to invoking RPC destructors.
Chunk server: set RPC pointer to 0 in meta server state machine before detaching authentication and hello RPCs in order to prevent possible use after delete and ensure that the meta server connection state is valid and current prior to invoking RPC destructors.

quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs