/** * compare the local machine hostname with region server's hostname to decide if hbase client * connects to a remote region server */ protected void checkIfRegionServerIsRemote() { isRegionServerRemote = isRemote(getLocation().getHostname()); }
private CompletableFuture<OpenScannerResponse> callOpenScanner(HBaseRpcController controller, HRegionLocation loc, ClientService.Interface stub) { boolean isRegionServerRemote = isRemote(loc.getHostname()); incRPCCallsMetrics(scanMetrics, isRegionServerRemote); if (openScannerTries.getAndIncrement() > 1) { incRPCRetriesMetrics(scanMetrics, isRegionServerRemote); } CompletableFuture<OpenScannerResponse> future = new CompletableFuture<>(); try { ScanRequest request = RequestConverter.buildScanRequest(loc.getRegion().getRegionName(), scan, scan.getCaching(), false); stub.scan(controller, request, resp -> { if (controller.failed()) { future.completeExceptionally(controller.getFailed()); return; } future.complete(new OpenScannerResponse(loc, isRegionServerRemote, stub, controller, resp)); }); } catch (IOException e) { future.completeExceptionally(e); } return future; }
/** * compare the local machine hostname with region server's hostname to decide if hbase client * connects to a remote region server */ protected void checkIfRegionServerIsRemote() { isRegionServerRemote = isRemote(getLocation().getHostname()); }
private CompletableFuture<OpenScannerResponse> callOpenScanner(HBaseRpcController controller, HRegionLocation loc, ClientService.Interface stub) { boolean isRegionServerRemote = isRemote(loc.getHostname()); incRPCCallsMetrics(scanMetrics, isRegionServerRemote); if (openScannerTries > 1) { incRPCRetriesMetrics(scanMetrics, isRegionServerRemote); } openScannerTries++; CompletableFuture<OpenScannerResponse> future = new CompletableFuture<>(); try { ScanRequest request = RequestConverter.buildScanRequest(loc.getRegionInfo().getRegionName(), scan, scan.getCaching(), false); stub.scan(controller, request, resp -> { if (controller.failed()) { future.completeExceptionally(controller.getFailed()); return; } future.complete(new OpenScannerResponse(loc, isRegionServerRemote, stub, controller, resp)); }); } catch (IOException e) { future.completeExceptionally(e); } return future; }
/** * compare the local machine hostname with region server's hostname to decide if hbase client * connects to a remote region server */ protected void checkIfRegionServerIsRemote() { isRegionServerRemote = isRemote(getLocation().getHostname()); }
private CompletableFuture<OpenScannerResponse> callOpenScanner(HBaseRpcController controller, HRegionLocation loc, ClientService.Interface stub) { boolean isRegionServerRemote = isRemote(loc.getHostname()); incRPCCallsMetrics(scanMetrics, isRegionServerRemote); if (openScannerTries > 1) { incRPCRetriesMetrics(scanMetrics, isRegionServerRemote); } openScannerTries++; CompletableFuture<OpenScannerResponse> future = new CompletableFuture<>(); try { ScanRequest request = RequestConverter.buildScanRequest(loc.getRegionInfo().getRegionName(), scan, scan.getCaching(), false); stub.scan(controller, request, resp -> { if (controller.failed()) { future.completeExceptionally(controller.getFailed()); return; } future.complete(new OpenScannerResponse(loc, isRegionServerRemote, stub, controller, resp)); }); } catch (IOException e) { future.completeExceptionally(e); } return future; }