UserProvider provider = UserProvider.instantiate(conf);
provider.login("hbase.regionserver.keytab.file",
"hbase.regionserver.kerberos.principal", this.isa.getHostName());
regionServerAccounting = new RegionServerAccounting();
cacheConfig = new CacheConfig(conf);
uncaughtExceptionHandler = new UncaughtExceptionHandler() {
public void uncaughtException(Thread t, Throwable e) {
abort("Uncaught exception in service thread " + t.getName(), e);
}
};
this.rsInfo = RegionServerInfo.newBuilder();