added JMH benchmark

.gitea/workflows/build.yaml

@@ -5,8 +5,6 @@ on:
       - '*'
 jobs:
   build:
-    env:
-      RUNNER_TOOL_CACHE: /toolcache
     runs-on: hostinger
     steps:
       - name: Checkout sources
@@ -19,49 +17,53 @@ jobs:
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
       - name: Execute Gradle build
-        env:
-          PUBLISHER_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}
         run: ./gradlew build
-      - name: Publish artifacts
-        env:
-          PUBLISHER_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}
-        run: ./gradlew publish
-  build-docker:
-    name: "Build Docker images"
-    runs-on: hostinger
-    steps:
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.4.0
+      - name: Prepare Docker image build
+        run: ./gradlew prepareDockerBuild
+      - name: Get project version
+        id: retrieve-version
+        run: ./gradlew -q version >> "$GITHUB_OUTPUT"
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
         with:
           driver: docker-container
-      -
-        name: Login to Gitea container registry
+      - name: Login to Gitea container registry
         uses: docker/login-action@v3
         with:
           registry: gitea.woggioni.net
           username: woggioni
           password: ${{ secrets.PUBLISHER_TOKEN }}
       -
-        name: Build and push gbcs images
-        uses: docker/build-push-action@v6
+        name: Build gbcs Docker image
+        uses: docker/build-push-action@v5.3.0
         with:
+          context: "docker/build/docker"
+          platforms: linux/amd64,linux/arm64
           push: true
           pull: true
           tags: |
-            "gitea.woggioni.net/woggioni/gbcs:slim"
-          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/gbcs:buildx
-          cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/gbcs:buildx
+            gitea.woggioni.net/woggioni/gbcs:latest
+            gitea.woggioni.net/woggioni/gbcs:${{ steps.retrieve-version.outputs.VERSION }}
           target: release
+          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/gbcs:buildx
       -
-        name: Build and push gbcs memcached image
-        uses: docker/build-push-action@v6
+        name: Build gbcs memcached Docker image
+        uses: docker/build-push-action@v5.3.0
         with:
+          context: "docker/build/docker"
+          platforms: linux/amd64,linux/arm64
           push: true
           pull: true
           tags: |
-            "gitea.woggioni.net/woggioni/gbcs:latest"
-            "gitea.woggioni.net/woggioni/gbcs:memcached"
+            gitea.woggioni.net/woggioni/gbcs:memcached
+            gitea.woggioni.net/woggioni/gbcs:memcached-${{ steps.retrieve-version.outputs.VERSION }}
+          target: release-memcached
           cache-from: type=registry,ref=gitea.woggioni.net/woggioni/gbcs:buildx
           cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/gbcs:buildx
-          target: release-memcached
+      - name: Publish artifacts
+        env:
+          PUBLISHER_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}
+        run: ./gradlew publish
+

Dockerfile

@@ -1,46 +1,2 @@
-FROM container-registry.oracle.com/graalvm/native-image:21 AS oracle
-
-FROM ubuntu:24.04 AS build
-COPY --from=oracle /usr/lib64/graalvm/ /usr/lib64/graalvm/
-ENV JAVA_HOME=/usr/lib64/graalvm/graalvm-java21
-USER ubuntu
-WORKDIR /home/ubuntu
-
-RUN mkdir gbcs
-WORKDIR /home/ubuntu/gbcs
-
-COPY --chown=ubuntu:users .git .git
-COPY --chown=ubuntu:users gbcs-base gbcs-base
-COPY --chown=ubuntu:users gbcs-api gbcs-api
-COPY --chown=ubuntu:users gbcs-memcached gbcs-memcached
-COPY --chown=ubuntu:users gbcs-cli gbcs-cli
-COPY --chown=ubuntu:users src src
-COPY --chown=ubuntu:users settings.gradle settings.gradle
-COPY --chown=ubuntu:users build.gradle build.gradle
-COPY --chown=ubuntu:users gradle.properties gradle.properties
-COPY --chown=ubuntu:users gradle gradle
-COPY --chown=ubuntu:users gradlew gradlew
-
-RUN --mount=type=cache,target=/home/ubuntu/.gradle,uid=1000,gid=1000 ./gradlew --no-daemon assemble
-
-FROM alpine:latest AS base-release
-RUN --mount=type=cache,target=/var/cache/apk apk update
-RUN --mount=type=cache,target=/var/cache/apk apk add openjdk21-jre
-RUN adduser -D luser
-USER luser
-WORKDIR /home/luser
-
-FROM base-release AS release
-RUN --mount=type=bind,from=build,source=/home/ubuntu/gbcs/gbcs-cli/build,target=/home/luser/build cp build/libs/gbcs-cli-envelope-*.jar gbcs.jar
-ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar"]
-
-FROM base-release AS release-memcached
-RUN --mount=type=bind,from=build,source=/home/ubuntu/gbcs/gbcs-cli/build,target=/home/luser/build cp build/libs/gbcs-cli-envelope-*.jar gbcs.jar
-RUN mkdir plugins
-WORKDIR /home/luser/plugins
-RUN --mount=type=bind,from=build,source=/home/ubuntu/gbcs/gbcs-memcached/build/distributions,target=/build/distributions tar -xf /build/distributions/gbcs-memcached*.tar
-WORKDIR /home/luser
-ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar"]
-
-FROM release-memcached as compose
+FROM gitea.woggioni.net/woggioni/gbcs:memcached
 COPY --chown=luser:luser conf/gbcs-memcached.xml /home/luser/.config/gbcs/gbcs.xml

benchmark/build.gradle

@@ -0,0 +1,26 @@
+plugins {
+    alias catalog.plugins.gradle.jmh
+    alias catalog.plugins.lombok
+}
+
+import me.champeau.jmh.JMHTask
+
+dependencies {
+    implementation rootProject
+
+    implementation catalog.jwo
+    implementation catalog.xz
+    implementation catalog.jackson.databind
+
+    jmhAnnotationProcessor catalog.lombok
+}
+
+jmh {
+    threads = 4
+    iterations = 2
+    fork = 1
+    warmupIterations = 1
+    warmupForks = 0
+    resultFormat = 'JSON'
+}
+

benchmark/src/jmh/java/net/woggioni/gbcs/benchmark/Main.java

@@ -0,0 +1,170 @@
+package net.woggioni.gbcs.benchmark;
+
+import lombok.Getter;
+import lombok.SneakyThrows;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.Base64;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Properties;
+import java.util.Random;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Predicate;
+
+public class Main {
+
+    @SneakyThrows
+    private static Properties loadProperties() {
+        Properties properties = new Properties();
+        try (final var is = Main.class.getResourceAsStream("/benchmark.properties")) {
+            properties.load(is);
+        }
+        return properties;
+    }
+
+    private static final Properties properties = loadProperties();
+
+    @State(Scope.Thread)
+    public static class ExecutionPlan {
+        private final Random random = new Random(101325);
+
+        @Getter
+        private final HttpClient client = HttpClient.newHttpClient();
+
+        private final Map<String, byte[]> entries = new HashMap<>();
+
+        public final Map<String, byte[]> getEntries() {
+            return Collections.unmodifiableMap(entries);
+        }
+
+        public Map.Entry<String, byte[]> newEntry() {
+            final var keyBuffer = new byte[0x20];
+            random.nextBytes(keyBuffer);
+            final var key = Base64.getUrlEncoder().encodeToString(keyBuffer);
+            final var value = new byte[0x1000];
+            random.nextBytes(value);
+            return Map.entry(key, value);
+        }
+
+        @SneakyThrows
+        public HttpRequest.Builder newRequestBuilder(String key) {
+            final var requestBuilder = HttpRequest.newBuilder()
+                    .uri(getServerURI().resolve(key));
+            String user = getUser();
+            if (user != null) {
+                requestBuilder.header("Authorization", buildAuthorizationHeader(user, getPassword()));
+            }
+            return requestBuilder;
+        }
+
+        @SneakyThrows
+        public URI getServerURI() {
+            return new URI(properties.getProperty("gbcs.server.url"));
+        }
+
+        @SneakyThrows
+        public String getUser() {
+            return Optional.ofNullable(properties.getProperty("gbcs.server.username"))
+                    .filter(Predicate.not(String::isEmpty))
+                    .orElse(null);
+
+        }
+
+        @SneakyThrows
+        public String getPassword() {
+            return Optional.ofNullable(properties.getProperty("gbcs.server.password"))
+                    .filter(Predicate.not(String::isEmpty))
+                    .orElse(null);
+        }
+
+        private String buildAuthorizationHeader(String user, String password) {
+            final var b64 = Base64.getEncoder().encode(String.format("%s:%s", user, password).getBytes(StandardCharsets.UTF_8));
+            return "Basic " + new String(b64);
+        }
+
+
+        @SneakyThrows
+        @Setup(Level.Trial)
+        public void setUp() {
+            try (final var client = HttpClient.newHttpClient()) {
+                for (int i = 0; i < 10000; i++) {
+                    final var pair = newEntry();
+                    final var requestBuilder = newRequestBuilder(pair.getKey())
+                            .header("Content-Type", "application/octet-stream")
+                            .PUT(HttpRequest.BodyPublishers.ofByteArray(pair.getValue()));
+                    final var response = client.send(requestBuilder.build(), HttpResponse.BodyHandlers.ofString());
+                    if (201 != response.statusCode()) {
+                        throw new IllegalStateException(Integer.toString(response.statusCode()));
+                    } else {
+                        entries.put(pair.getKey(), pair.getValue());
+                    }
+                }
+            }
+        }
+
+        private Iterator<Map.Entry<String, byte[]>> it = null;
+
+        private Map.Entry<String, byte[]> nextEntry() {
+            if (it == null || !it.hasNext()) {
+                it = getEntries().entrySet().iterator();
+            }
+            return it.next();
+        }
+    }
+
+    @SneakyThrows
+    @Benchmark
+    @BenchmarkMode(Mode.Throughput)
+    @OutputTimeUnit(TimeUnit.SECONDS)
+    public void get(ExecutionPlan plan) {
+        final var client = plan.getClient();
+        final var entry = plan.nextEntry();
+        final var requestBuilder = plan.newRequestBuilder(entry.getKey())
+                .header("Accept", "application/octet-stream")
+                .GET();
+        final var response = client.send(requestBuilder.build(), HttpResponse.BodyHandlers.ofByteArray());
+        if (200 != response.statusCode()) {
+            throw new IllegalStateException(Integer.toString(response.statusCode()));
+        } else {
+            if (!Arrays.equals(entry.getValue(), response.body())) {
+                throw new IllegalStateException("Retrieved unexpected value");
+            }
+        }
+    }
+
+
+    @SneakyThrows
+    @Benchmark
+    @BenchmarkMode(Mode.Throughput)
+    @OutputTimeUnit(TimeUnit.SECONDS)
+    public void put(Main.ExecutionPlan plan) {
+        final var client = plan.getClient();
+        final var entry = plan.nextEntry();
+
+        final var requestBuilder = plan.newRequestBuilder(entry.getKey())
+                .header("Content-Type", "application/octet-stream")
+                .PUT(HttpRequest.BodyPublishers.ofByteArray(entry.getValue()));
+
+        final var response = client.send(requestBuilder.build(), HttpResponse.BodyHandlers.ofByteArray());
+        if (201 != response.statusCode()) {
+            throw new IllegalStateException(Integer.toString(response.statusCode()));
+        }
+    }
+}

benchmark/src/jmh/resources/benchmark.properties

@@ -0,0 +1 @@
+gbcs.server.url= http://localhost:8080

build.gradle

@@ -130,3 +130,9 @@ publishing {
     }
 }
 
+tasks.register('version') {
+    doLast {
+        println("VERSION=$version")
+    }
+}
+

conf/gbcs-memcached.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<gbcs:server useVirtualThreads="false" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
+<gbcs:server useVirtualThreads="true" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:gbcs="urn:net.woggioni.gbcs"
              xmlns:gbcs-memcached="urn:net.woggioni.gbcs-memcached"
              xs:schemaLocation="urn:net.woggioni.gbcs-memcached jpms://net.woggioni.gbcs.memcached/net/woggioni/gbcs/memcached/schema/gbcs-memcached.xsd urn:net.woggioni.gbcs jpms://net.woggioni.gbcs/net/woggioni/gbcs/schema/gbcs.xsd">

conf/logback.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE configuration>
+
+<configuration>
+    <import class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"/>
+    <import class="ch.qos.logback.core.ConsoleAppender"/>
+
+    <appender name="console" class="ConsoleAppender">
+        <target>System.err</target>
+        <encoder class="PatternLayoutEncoder">
+            <pattern>%d [%highlight(%-5level)] \(%thread\) %logger{36} -%kvp- %msg %n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="console"/>
+    </root>
+    <logger name="io.netty" level="debug"/>
+    <logger name="com.google.code.yanf4j" level="warn"/>
+    <logger name="net.rubyeye.xmemcached" level="warn"/>
+</configuration>

docker-compose.yml

@@ -11,7 +11,6 @@ services:
   gbcs:
     build:
       context: .
-      target: compose
     container_name: gbcs
     restart: unless-stopped
     ports:

docker/Dockerfile

@@ -0,0 +1,21 @@
+FROM alpine:latest AS base-release
+RUN --mount=type=cache,target=/var/cache/apk apk update
+RUN --mount=type=cache,target=/var/cache/apk apk add openjdk21-jre
+RUN adduser -D luser
+USER luser
+WORKDIR /home/luser
+
+FROM base-release AS release
+ADD gbcs-cli-envelope-*.jar gbcs.jar
+ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar"]
+
+FROM base-release AS release-memcached
+ADD --chown=luser:luser gbcs-cli-envelope-*.jar gbcs.jar
+RUN mkdir plugins
+WORKDIR /home/luser/plugins
+RUN --mount=type=bind,source=.,target=/build/distributions tar -xf /build/distributions/gbcs-memcached*.tar
+WORKDIR /home/luser
+ENTRYPOINT ["java", "-jar", "/home/luser/gbcs.jar"]
+
+FROM release-memcached as compose
+COPY --chown=luser:luser conf/gbcs-memcached.xml /home/luser/.config/gbcs/gbcs.xml

docker/build.gradle

@@ -0,0 +1,67 @@
+plugins {
+    id 'base'
+    alias(catalog.plugins.gradle.docker)
+}
+
+import com.bmuschko.gradle.docker.tasks.image.DockerBuildImage
+import com.bmuschko.gradle.docker.tasks.image.DockerPushImage
+import com.bmuschko.gradle.docker.tasks.image.DockerTagImage
+
+
+configurations {
+    docker {
+        canBeResolved = true
+        transitive = false
+        visible = false
+        canBeConsumed = false
+    }
+}
+
+dependencies {
+    docker project(path: ':gbcs-cli', configuration: 'release')
+    docker project(path: ':gbcs-memcached', configuration: 'release')
+}
+
+Provider<Task> cleanTaskProvider = tasks.named(BasePlugin.CLEAN_TASK_NAME) {}
+
+Provider<Copy> prepareDockerBuild = tasks.register('prepareDockerBuild', Copy) {
+    dependsOn cleanTaskProvider
+    group = 'docker'
+    into project.layout.buildDirectory.file('docker')
+    from(configurations.docker)
+    from(file('Dockerfile'))
+}
+
+Provider<DockerBuildImage> dockerBuild = tasks.register('dockerBuildImage', DockerBuildImage) {
+    group = 'docker'
+    dependsOn prepareDockerBuild
+    images.add('gitea.woggioni.net/woggioni/gbcs:latest')
+    images.add("gitea.woggioni.net/woggioni/gbcs:${version}")
+}
+
+Provider<DockerTagImage> dockerTag = tasks.register('dockerTagImage', DockerTagImage) {
+    group = 'docker'
+    repository = 'gitea.woggioni.net/woggioni/gbcs'
+    imageId = 'gitea.woggioni.net/woggioni/gbcs:latest'
+    tag = version
+}
+
+Provider<DockerTagImage> dockerTagMemcached = tasks.register('dockerTagMemcachedImage', DockerTagImage) {
+    group = 'docker'
+    repository = 'gitea.woggioni.net/woggioni/gbcs'
+    imageId = 'gitea.woggioni.net/woggioni/gbcs:memcached'
+    tag = "${version}-memcached"
+}
+
+Provider<DockerPushImage> dockerPush = tasks.register('dockerPushImage', DockerPushImage) {
+    group = 'docker'
+    dependsOn dockerTag, dockerTagMemcached
+    registryCredentials {
+        url = getProperty('docker.registry.url')
+        username = 'woggioni'
+        password = System.getenv().get("PUBLISHER_TOKEN")
+    }
+    images = [dockerTag.flatMap{ it.tag }, dockerTagMemcached.flatMap{ it.tag }]
+}
+
+

gbcs-cli/build.gradle

@@ -21,6 +21,15 @@ tasks.named(JavaPlugin.COMPILE_JAVA_TASK_NAME, JavaCompile) {
     options.javaModuleMainClass = mainClassName
 }
 
+configurations {
+    release {
+        transitive = false
+        canBeConsumed = true
+        canBeResolved = true
+        visible = true
+    }
+}
+
 envelopeJar {
     mainModule = 'net.woggioni.gbcs.cli'
     mainClass = mainClassName
@@ -56,6 +65,10 @@ tasks.named(NativeImagePlugin.NATIVE_IMAGE_TASK_NAME, NativeImageTask) {
     buildStaticImage = true
 }
 
+artifacts {
+    release(envelopeJarTaskProvider)
+}
+
 publishing {
     publications {
         maven(MavenPublication) {
@@ -64,3 +77,4 @@ publishing {
     }
 }
 
+

gbcs-cli/src/main/kotlin/net/woggioni/gbcs/cli/GradleBuildCacheServerCli.kt

@@ -92,7 +92,8 @@ class GradleBuildCacheServerCli(application : Application, private val log : Log
                 "Server configuration:\n${String(it.toByteArray())}"
             }
         }
-        GradleBuildCacheServer(configuration).run().use {
+        val server = GradleBuildCacheServer(configuration)
+        server.run().use {
         }
     }
 }

gbcs-memcached/build.gradle

@@ -22,7 +22,15 @@ configurations {
             }
         }
     }
+
+    release {
+        transitive = false
+        canBeConsumed = true
+        canBeResolved = true
+        visible = true
     }
+}
+
 dependencies {
     compileOnly project(':gbcs-base')
     compileOnly project(':gbcs-api')
@@ -40,6 +48,10 @@ tasks.named(BasePlugin.ASSEMBLE_TASK_NAME) {
     dependsOn(bundleTask)
 }
 
+artifacts {
+    release(bundleTask)
+}
+
 publishing {
     publications {
         maven(MavenPublication) {

gradle.properties

@@ -4,6 +4,7 @@ org.gradle.caching=true
 
 gbcs.version = 0.0.1
 
-lys.version = 2025.01.09
+lys.version = 2025.01.10
 
 gitea.maven.url = https://gitea.woggioni.net/api/packages/woggioni/maven
+docker.registry.url=gitea.woggioni.net

settings.gradle

@@ -30,5 +30,6 @@ include 'gbcs-api'
 include 'gbcs-base'
 include 'gbcs-memcached'
 include 'gbcs-cli'
-
+include 'docker'
+include 'benchmark'
 

src/main/kotlin/net/woggioni/gbcs/GradleBuildCacheServer.kt

@@ -12,7 +12,6 @@ import io.netty.channel.ChannelInitializer
 import io.netty.channel.ChannelOption
 import io.netty.channel.ChannelPromise
 import io.netty.channel.DefaultFileRegion
-import io.netty.channel.EventLoopGroup
 import io.netty.channel.SimpleChannelInboundHandler
 import io.netty.channel.nio.NioEventLoopGroup
 import io.netty.channel.socket.nio.NioServerSocketChannel
@@ -55,6 +54,7 @@ import net.woggioni.gbcs.base.PasswordSecurity.decodePasswordHash
 import net.woggioni.gbcs.base.PasswordSecurity.hashPassword
 import net.woggioni.gbcs.base.Xml
 import net.woggioni.gbcs.base.contextLogger
+import net.woggioni.gbcs.base.info
 import net.woggioni.gbcs.configuration.Parser
 import net.woggioni.gbcs.configuration.Serializer
 import net.woggioni.jwo.JWO
@@ -69,7 +69,6 @@ import java.security.PrivateKey
 import java.security.cert.X509Certificate
 import java.util.Arrays
 import java.util.Base64
-import java.util.concurrent.Executors
 import java.util.regex.Matcher
 import java.util.regex.Pattern
 import javax.naming.ldap.LdapName
@@ -178,8 +177,12 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
         }
     }
 
-    private class ServerInitializer(private val cfg: Configuration) : ChannelInitializer<Channel>() {
+    private class ServerInitializer(
+        private val cfg: Configuration,
+        private val eventExecutorGroup: EventExecutorGroup
+    ) : ChannelInitializer<Channel>() {
 
+        companion object {
             private fun createSslCtx(tls: Configuration.Tls): SslContext {
                 val keyStore = tls.keyStore
                 return if (keyStore == null) {
@@ -187,7 +190,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
                 } else {
                     val javaKeyStore = loadKeystore(keyStore.file, keyStore.password)
                     val serverKey = javaKeyStore.getKey(
-                    keyStore.keyAlias, keyStore.keyPassword?.let(String::toCharArray)
+                        keyStore.keyAlias, (keyStore.keyPassword ?: "").let(String::toCharArray)
                     ) as PrivateKey
                     val serverCert: Array<X509Certificate> =
                         Arrays.stream(javaKeyStore.getCertificateChain(keyStore.keyAlias))
@@ -208,11 +211,6 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
                 }
             }
 
-        private val sslContext: SslContext? = cfg.tls?.let(this::createSslCtx)
-        private val group: EventExecutorGroup = DefaultEventExecutorGroup(Runtime.getRuntime().availableProcessors())
-
-        companion object {
-
             fun loadKeystore(file: Path, password: String?): KeyStore {
                 val ext = JWO.splitExtension(file)
                     .map(Tuple2<String, String>::get_2)
@@ -235,6 +233,8 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
             }
         }
 
+        private val sslContext: SslContext? = cfg.tls?.let(Companion::createSslCtx)
+
         private fun userExtractor(authentication: Configuration.ClientCertificateAuthentication) =
             authentication.userExtractor?.let { extractor ->
                 val pattern = Pattern.compile(extractor.pattern)
@@ -294,7 +294,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
             }
             val cacheImplementation = cfg.cache.materialize()
             val prefix = Path.of("/").resolve(Path.of(cfg.serverPath ?: "/"))
-            pipeline.addLast(group, ServerHandler(cacheImplementation, prefix))
+            pipeline.addLast(eventExecutorGroup, ServerHandler(cacheImplementation, prefix))
             pipeline.addLast(ExceptionHandler())
         }
     }
@@ -446,8 +446,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
 
     class ServerHandle(
         httpChannelFuture: ChannelFuture,
-        private val bossGroup: EventLoopGroup,
-        private val workerGroup: EventLoopGroup
+        private val executorGroups : Iterable<EventExecutorGroup>
     ) : AutoCloseable {
         private val httpChannel: Channel = httpChannelFuture.channel()
 
@@ -461,31 +460,35 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
             try {
                 closeFuture.sync()
             } finally {
-                val fut1 = workerGroup.shutdownGracefully()
-                val fut2 = if (bossGroup !== workerGroup) {
-                    bossGroup.shutdownGracefully()
-                } else null
-                fut1.sync()
-                fut2?.sync()
+                executorGroups.forEach {
+                    it.shutdownGracefully().sync()
+                }
+            }
+            log.info {
+                "GradleBuildCacheServer has been gracefully shut down"
             }
         }
     }
 
     fun run(): ServerHandle {
         // Create the multithreaded event loops for the server
-        val bossGroup = NioEventLoopGroup(0, Executors.defaultThreadFactory())
+        val bossGroup = NioEventLoopGroup(0)
         val serverSocketChannel = NioServerSocketChannel::class.java
-        val workerGroup = if (cfg.isUseVirtualThread) {
-            NioEventLoopGroup(0, Executors.newVirtualThreadPerTaskExecutor())
+        val workerGroup = bossGroup
+        val eventExecutorGroup = run {
+            val threadFactory = if(cfg.isUseVirtualThread) {
+                Thread.ofVirtual().factory()
             } else {
-            bossGroup
+                null
+            }
+            DefaultEventExecutorGroup(Runtime.getRuntime().availableProcessors(), threadFactory)
         }
         // A helper class that simplifies server configuration
         val bootstrap = ServerBootstrap().apply {
             // Configure the server
             group(bossGroup, workerGroup)
             channel(serverSocketChannel)
-            childHandler(ServerInitializer(cfg))
+            childHandler(ServerInitializer(cfg, eventExecutorGroup))
             option(ChannelOption.SO_BACKLOG, 128)
             childOption(ChannelOption.SO_KEEPALIVE, true)
         }
@@ -494,7 +497,10 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
         // Bind and start to accept incoming connections.
         val bindAddress = InetSocketAddress(cfg.host, cfg.port)
         val httpChannel = bootstrap.bind(bindAddress).sync()
-        return ServerHandle(httpChannel, bossGroup, workerGroup)
+        log.info {
+            "GradleBuildCacheServer is listening on ${cfg.host}:${cfg.port}"
+        }
+        return ServerHandle(httpChannel, setOf(bossGroup, workerGroup, eventExecutorGroup))
     }
 
     companion object {
@@ -511,5 +517,7 @@ class GradleBuildCacheServer(private val cfg: Configuration) {
         fun dumpConfiguration(conf: Configuration, outputStream: OutputStream) {
             Xml.write(Serializer.serialize(conf), outputStream)
         }
+
+        private val log = contextLogger()
     }
 }

src/main/kotlin/net/woggioni/gbcs/configuration/Parser.kt

@@ -32,7 +32,7 @@ object Parser {
         val serverPath = root.getAttribute("path")
         val useVirtualThread = root.getAttribute("useVirtualThreads")
             .takeIf(String::isNotEmpty)
-            ?.let(String::toBoolean) ?: false
+            ?.let(String::toBoolean) ?: true
         var authentication: Authentication? = null
         for (child in root.asIterable()) {
             when (child.localName) {

src/main/resources/net/woggioni/gbcs/schema/gbcs.xsd

@@ -10,9 +10,6 @@
         <xs:sequence minOccurs="0">
             <xs:element name="bind" type="gbcs:bindType" maxOccurs="1"/>
             <xs:element name="cache" type="gbcs:cacheType" maxOccurs="1"/>
-<!--            <xs:choice>-->
-<!--                <xs:element name="fileSystemCache" type="fileSystemCacheType"/>-->
-<!--            </xs:choice>-->
             <xs:element name="authorization" type="gbcs:authorizationType" minOccurs="0">
                 <xs:key name="userId">
                     <xs:selector xpath="users/user"/>
@@ -28,7 +25,7 @@
             <xs:element name="tls" type="gbcs:tlsType" minOccurs="0" maxOccurs="1"/>
         </xs:sequence>
         <xs:attribute name="path" type="xs:string" use="optional"/>
-        <xs:attribute name="useVirtualThreads" type="xs:boolean" use="optional"/>
+        <xs:attribute name="useVirtualThreads" type="xs:boolean" use="optional" default="true"/>
     </xs:complexType>
 
     <xs:complexType name="bindType">

src/test/kotlin/net/woggioni/gbcs/test/NoAuthServerTest.kt

@@ -105,4 +105,28 @@ class NoAuthServerTest : AbstractServerTest() {
         val response: HttpResponse<ByteArray> = client.send(requestBuilder.build(), HttpResponse.BodyHandlers.ofByteArray())
         Assertions.assertEquals(HttpResponseStatus.NOT_FOUND.code(), response.statusCode())
     }
+
+//    @Test
+//    @Order(4)
+//    fun manyRequestsTest() {
+//        val client: HttpClient = HttpClient.newHttpClient()
+//
+//        for(i in 0 until 100000) {
+//
+//            val newEntry = random.nextBoolean()
+//            val (key, _) = if(newEntry) {
+//                newEntry(random)
+//            } else {
+//                keyValuePair
+//            }
+//            val requestBuilder = newRequestBuilder(key).GET()
+//
+//            val response: HttpResponse<ByteArray> = client.send(requestBuilder.build(), HttpResponse.BodyHandlers.ofByteArray())
+//            if(newEntry) {
+//                Assertions.assertEquals(HttpResponseStatus.NOT_FOUND.code(), response.statusCode())
+//            } else {
+//                Assertions.assertEquals(HttpResponseStatus.OK.code(), response.statusCode())
+//            }
+//        }
+//    }
 }

src/test/resources/logback.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE configuration>
+
+<configuration>
+    <import class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"/>
+    <import class="ch.qos.logback.core.ConsoleAppender"/>
+
+    <appender name="console" class="ConsoleAppender">
+        <target>System.err</target>
+        <encoder class="PatternLayoutEncoder">
+            <pattern>%d [%highlight(%-5level)] \(%thread\) %logger{36} -%kvp- %msg %n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="console"/>
+    </root>
+    <logger name="io.netty" level="debug"/>
+    <logger name="com.google.code.yanf4j" level="warn"/>
+    <logger name="net.rubyeye.xmemcached" level="warn"/>
+</configuration>