log client hardware specs at startup

engine-cli/src/main/java/io/nosqlbench/engine/cli/NBCLI.java

@@ -20,6 +20,7 @@ import io.nosqlbench.engine.core.script.Scenario;
 import io.nosqlbench.engine.core.script.ScenariosExecutor;
 import io.nosqlbench.engine.core.script.ScriptParams;
 import io.nosqlbench.engine.docker.DockerMetricsManager;
+import io.nosqlbench.nb.api.SystemId;
 import io.nosqlbench.nb.api.annotations.Annotation;
 import io.nosqlbench.nb.api.annotations.Layer;
 import io.nosqlbench.nb.api.content.Content;
@@ -285,15 +286,19 @@ public class NBCLI {
             System.exit(0);
         }
 
+        logger.info("Running NoSQLBench Version " + new VersionInfo().getVersion());
+
+        logger.info("client-hardware: " + SystemId.getHostSummary());
+
         logger.debug("initializing annotators with config:'" + annotatorsConfig + "'");
         Annotators.init(annotatorsConfig);
         Annotators.recordAnnotation(
-                Annotation.newBuilder()
-                        .session(sessionName)
-                        .now()
-                        .layer(Layer.CLI)
-                        .detail("cli", Strings.join(args, "\n"))
-                        .build()
+            Annotation.newBuilder()
+                .session(sessionName)
+                .now()
+                .layer(Layer.CLI)
+                .detail("cli", Strings.join(args, "\n"))
+                .build()
         );
 
         if (reportGraphiteTo != null || options.wantsReportCsvTo() != null) {

nb-api/src/main/java/io/nosqlbench/nb/api/SystemId.java

@@ -1,16 +1,21 @@
 package io.nosqlbench.nb.api;
 
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
 import oshi.SystemInfo;
+import oshi.hardware.CentralProcessor;
 import oshi.hardware.HardwareAbstractionLayer;
 import oshi.hardware.NetworkIF;
 
 import java.util.*;
 
 public class SystemId {
+
     public static String getNodeId() {
         SystemInfo sysinfo = new SystemInfo();
         HardwareAbstractionLayer hal = sysinfo.getHardware();
         List<NetworkIF> interfaces = hal.getNetworkIFs();
+
         Optional<String> first = interfaces.stream()
                 .filter(i -> !i.getName().startsWith("docker" ))
                 .filter(i -> !i.getName().equals("lo" ))
@@ -26,11 +31,45 @@ public class SystemId {
                     }
                     return 0;
                 })
-                .flatMap(iface -> Arrays.stream(iface.getIPv4addr().clone()))
-                .filter(addr -> !(addr.startsWith("127." )))
-                .findFirst();
-        String systemID = first.orElse("UNKNOWN_SYSTEM_ID" );
+            .flatMap(iface -> Arrays.stream(iface.getIPv4addr().clone()))
+            .filter(addr -> !(addr.startsWith("127.")))
+            .findFirst();
+        String systemID = first.orElse("UNKNOWN_SYSTEM_ID");
         return systemID;
     }
 
+    public static String getHostSummary() {
+        SystemInfo sysinfo = new SystemInfo();
+        HardwareAbstractionLayer hal = sysinfo.getHardware();
+        CentralProcessor p = hal.getProcessor();
+
+        Gson gson = new GsonBuilder().create();
+
+        Set<String> ifspeeds = new HashSet<>();
+        hal.getNetworkIFs().forEach(
+            x -> {
+                long spd = x.getSpeed();
+                if (spd < (1024 * 1024 * 1000)) {
+                    ifspeeds.add(String.format("%.0fMib", (double) (spd / (1024 * 1024))));
+                } else {
+                    ifspeeds.add(String.format("%.0fGib", (double) (spd / (1024 * 1024 * 1000))));
+                }
+            }
+        );
+
+        Map<String, Object> details = Map.of(
+            "physical-cores", String.valueOf(p.getPhysicalProcessorCount()),
+            "logical-cores", String.valueOf(p.getLogicalProcessors().size()),
+            "max-frequency-ghz", String.format("%.2f", (p.getMaxFreq() / 1_000_000_000_000.0d)),
+            "sockets", String.valueOf(p.getPhysicalPackageCount()),
+            "processor-name", String.valueOf(p.getProcessorIdentifier().getName()),
+            "memory-GiB", String.format("%.2f", hal.getMemory().getTotal() / (1024.0 * 1024.0 * 1024.0)),
+            "heap-max-GiB", String.format("%.2f", Runtime.getRuntime().maxMemory() / (1024.0 * 1024.0 * 1024.0)),
+            "if-speeds", ifspeeds
+
+        );
+
+        return gson.toJson(details);
+
+    }
 }

nb-api/src/test/java/io/nosqlbench/nb/api/SystemIdTest.java

@@ -0,0 +1,12 @@
+package io.nosqlbench.nb.api;
+
+import org.junit.Test;
+
+public class SystemIdTest {
+
+    @Test
+    public void testHostInfo() {
+        String info = SystemId.getHostSummary();
+        System.out.println(info);
+    }
+}