diff --git a/core/src/main/java/de/bwaldvogel/mongo/backend/AbstractMongoBackend.java b/core/src/main/java/de/bwaldvogel/mongo/backend/AbstractMongoBackend.java
index eaf9dfaf..e9eb2dd1 100644
--- a/core/src/main/java/de/bwaldvogel/mongo/backend/AbstractMongoBackend.java
+++ b/core/src/main/java/de/bwaldvogel/mongo/backend/AbstractMongoBackend.java
@@ -223,6 +223,8 @@ private Document handleHostInfo() {
         response.append("system", new Document()
             .append("currentTime", Instant.now())
             .append("hostname", Utils.getHostName())
+            .append("numCores", Runtime.getRuntime().availableProcessors())
+            .append("cpuArch", System.getProperty("os.arch"))
         );
         response.append("extra", new Document()
             .append("versionString", osName + " " + osVersion)
diff --git a/test-common/src/main/java/de/bwaldvogel/mongo/backend/AbstractBackendTest.java b/test-common/src/main/java/de/bwaldvogel/mongo/backend/AbstractBackendTest.java
index 40314f0b..3bd4c9eb 100755
--- a/test-common/src/main/java/de/bwaldvogel/mongo/backend/AbstractBackendTest.java
+++ b/test-common/src/main/java/de/bwaldvogel/mongo/backend/AbstractBackendTest.java
@@ -6647,6 +6647,7 @@ void testHostInfo() {
         Document result = runCommand("hostInfo");
         assertThat(result.get("ok")).isEqualTo(1.0);
         assertThat(result).containsKeys("os", "system", "extra");
+        assertThat(result.get("system", Document.class)).containsKeys("currentTime", "hostname", "numCores", "cpuArch");
     }
 
     @Test