diff --git a/java/com/google/gerrit/acceptance/GerritServer.java b/java/com/google/gerrit/acceptance/GerritServer.java
index af8af90..f90df67 100644
--- a/java/com/google/gerrit/acceptance/GerritServer.java
+++ b/java/com/google/gerrit/acceptance/GerritServer.java
@@ -269,7 +269,7 @@
 
   private static final ImmutableMap<String, Level> LOG_LEVELS =
       ImmutableMap.<String, Level>builder()
-          .put("com.google.gerrit", Level.INFO)
+          .put("com.google.gerrit", getGerritLogLevel())
 
           // Silence non-critical messages from MINA SSHD.
           .put("org.apache.mina", Level.WARN)
@@ -307,6 +307,14 @@
           .put("org.eclipse.jgit.util.FS", Level.WARN)
           .build();
 
+  private static Level getGerritLogLevel() {
+    String value = Strings.nullToEmpty(System.getenv("GERRIT_LOG_LEVEL"));
+    if (value.isEmpty()) {
+      value = Strings.nullToEmpty(System.getProperty("gerrit.logLevel"));
+    }
+    return Level.toLevel(value, Level.INFO);
+  }
+
   private static boolean forceLocalDisk() {
     String value = Strings.nullToEmpty(System.getenv("GERRIT_FORCE_LOCAL_DISK"));
     if (value.isEmpty()) {