Move log about jemalloc from startup script to Java

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>
hyperledger · Aug 18, 2022 · 8f212e1 · 8f212e1
1 parent 1678d60
commit 8f212e1
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Showing 3 changed files with 32 additions and 1 deletion.
diff --git a/besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java b/besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java
@@ -185,6 +185,7 @@
 import org.hyperledger.besu.util.number.Fraction;
 import org.hyperledger.besu.util.number.Percentage;
 import org.hyperledger.besu.util.number.PositiveNumber;
+import org.hyperledger.besu.util.platform.PlatformDetector;
 
 import java.io.File;
 import java.io.IOException;
@@ -1391,6 +1392,7 @@ public void parse(
     handleUnstableOptions();
     preparePlugins();
     parse(resultHandler, exceptionHandler, args);
+    detectJemalloc();
   }
 
   @Override
@@ -1492,6 +1494,17 @@ private void registerConverters() {
     commandLine.registerConverter(MetricCategory.class, metricCategoryConverter);
   }
 
+  private void detectJemalloc() {
+    // jemalloc is only supported on Linux at the moment
+    if (PlatformDetector.getOSType().equals("linux")) {
+      Optional.ofNullable(environment.get("BESU_USING_JEMALLOC"))
+          .ifPresentOrElse(
+              present -> logger.info("Using jemalloc"),
+              () ->
+                  logger.info("jemalloc not found, you could improve memory usage installing it"));
+    }
+  }
+
   private void handleStableOptions() {
     commandLine.addMixin("Ethstats", ethstatsOptions);
     commandLine.addMixin("Private key file", nodePrivateKeyFileOption);

diff --git a/besu/src/main/scripts/unixStartScript.txt b/besu/src/main/scripts/unixStartScript.txt
@@ -182,15 +182,16 @@ APP_ARGS=`save "\$@"`
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- \$DEFAULT_JVM_OPTS \$JAVA_OPTS \$${optsEnvironmentVar} <% if ( appNameSystemProperty ) { %>"\"-D${appNameSystemProperty}=\$APP_BASE_NAME\"" <% } %>-classpath "\"\$CLASSPATH\"" <% if ( mainClassName.startsWith('--module ') ) { %>--module-path "\"\$MODULE_PATH\"" <% } %>${mainClassName} "\$APP_ARGS"
 
+unset BESU_USING_JEMALLOC
 if [ "\$darwin" = "false" -a "\$msys" = "false" ]; then
   # check if jemalloc is available
   TEST_JEMALLOC=\$(LD_PRELOAD=libjemalloc.so sh -c true 2>&1)
 
   # if jemalloc is available the output is empty, otherwise the output has an error line
   if [ -z "\$TEST_JEMALLOC" ]; then
     export LD_PRELOAD=libjemalloc.so
+    export BESU_USING_JEMALLOC=true
   else
-    echo "INFO: jemalloc not found, you could improve memory usage installing it."
     # jemalloc not available, as fallback limit malloc to 2 arenas
     export MALLOC_ARENA_MAX=2
   fi

diff --git a/besu/src/test/java/org/hyperledger/besu/cli/BesuCommandTest.java b/besu/src/test/java/org/hyperledger/besu/cli/BesuCommandTest.java
@@ -17,6 +17,7 @@
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static java.util.Arrays.asList;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.startsWith;
 import static org.hyperledger.besu.cli.config.NetworkName.CLASSIC;
 import static org.hyperledger.besu.cli.config.NetworkName.DEV;
@@ -94,6 +95,7 @@
 import org.hyperledger.besu.plugin.services.rpc.PluginRpcRequest;
 import org.hyperledger.besu.util.number.Fraction;
 import org.hyperledger.besu.util.number.Percentage;
+import org.hyperledger.besu.util.platform.PlatformDetector;
 
 import java.io.File;
 import java.io.IOException;
@@ -5315,4 +5317,19 @@ public void pkiBlockCreationFullConfig() throws Exception {
     assertThat(pkiKeyStoreConfig.getTrustStorePassword()).isEqualTo("foo");
     assertThat(pkiKeyStoreConfig.getCrlFilePath()).hasValue(Path.of("/tmp/crl"));
   }
+
+  @Test
+  public void logsUsingJemallocWhenEnvVarPresent() {
+    assumeThat(PlatformDetector.getOSType(), is("linux"));
+    setEnvironmentVariable("BESU_USING_JEMALLOC", "true");
+    parseCommand();
+    verify(mockLogger).info("Using jemalloc");
+  }
+
+  @Test
+  public void logsSuggestInstallingJemallocWhenEnvVarNotPresent() {
+    assumeThat(PlatformDetector.getOSType(), is("linux"));
+    parseCommand();
+    verify(mockLogger).info("jemalloc not found, you could improve memory usage installing it");
+  }
 }