this.fs = new HFileSystem(this.conf, this.useHBaseChecksum);
this.rootDir = new Path(this.conf.get(HConstants.HBASE_DIR));
this.tableDescriptors = new FSTableDescriptors(this.fs, this.rootDir, true);
this.hlog = setupWALAndReplication();
// Init in here rather than in constructor after thread name has been set
this.metrics = new RegionServerMetrics();
this.dynamicMetrics = RegionServerDynamicMetrics.newInstance(this);
this.rsHost = new RegionServerCoprocessorHost(this, this.conf);
startServiceThreads();
LOG.info("Serving as " + this.serverNameFromMasterPOV +
", RPC listening on " + this.isa +