feat: perf-test for java

esdk-performance-testing/benchmarks/java/README.md

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+# AWS Encryption SDK Java Benchmark
+
+Performance testing suite for the AWS Encryption SDK Java implementation.
+
+## Quick Start
+
+```bash
+# Build the project
+mvn clean compile
+
+# Run benchmark
+mvn exec:java -Dexec.mainClass="com.amazon.esdk.benchmark.Program"
+
+# Quick test (reduced iterations)
+mvn exec:java -Dexec.mainClass="com.amazon.esdk.benchmark.Program" -Dexec.args="--quick"
+```
+
+## Options
+
+- `--config` - Path to test configuration file (default: `../../config/test-scenarios.yaml`)
+- `--output` - Path to output results file (default: `../../results/raw-data/java_results.json`)
+- `--quick` - Run with reduced iterations for faster testing
+
+## Configuration
+
+Edit `../../config/test-scenarios.yaml` for test parameters:
+
+- Data sizes (small/medium/large)
+- Iterations and concurrency levels
+
+## Test Types
+
+- **Throughput** - Measures encryption/decryption operations per second
+- **Memory** - Tracks memory usage and allocations during operations
+- **Concurrency** - Tests performance under concurrent load
+
+## Output
+
+Results saved as JSON to `../../results/raw-data/java_results.json` with:
+
+- Performance metrics (ops/sec, latency percentiles)
+- Memory usage (peak, average, allocations, input data to memory ratio)
+- System information (CPU, memory, Java version)

esdk-performance-testing/benchmarks/java/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.amazon.esdk</groupId>
+    <artifactId>esdk-performance-benchmark</artifactId>
+    <version>1.0.0</version>
+    <packaging>jar</packaging>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <!-- AWS Encryption SDK -->
+        <dependency>
+            <groupId>com.amazonaws</groupId>
+            <artifactId>aws-encryption-sdk-java</artifactId>
+            <version>3.0.2</version>
+        </dependency>
+
+        <!-- AWS Cryptographic Material Providers Library -->
+        <dependency>
+            <groupId>software.amazon.cryptography</groupId>
+            <artifactId>aws-cryptographic-material-providers</artifactId>
+            <version>1.11.0</version>
+        </dependency>
+
+        <!-- Jackson for YAML processing -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>2.15.2</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>2.15.2</version>
+        </dependency>
+
+        <!-- Progress bar -->
+        <dependency>
+            <groupId>me.tongfei</groupId>
+            <artifactId>progressbar</artifactId>
+            <version>0.9.5</version>
+        </dependency>
+
+        <!-- SLF4J for logging -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>2.0.7</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.11.0</version>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.5.0</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>com.amazon.esdk.benchmark.Program</mainClass>
+                                </transformer>
+                            </transformers>
+                            <filters>
+                                <filter>
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>3.1.0</version>
+                <configuration>
+                    <mainClass>com.amazon.esdk.benchmark.Program</mainClass>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>com.diffplug.spotless</groupId>
+                <artifactId>spotless-maven-plugin</artifactId>
+                <version>2.40.0</version>
+                <configuration>
+                    <java>
+                        <googleJavaFormat />
+                    </java>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>