jkubrynski

class CaliperResultParser {

  public static void main(String[] args) {
    def slurper = new JsonSlurper()
    def json = slurper.parseText(new File(args[0]).getText())

    json.each {
      println it.scenario.benchmarkSpec.methodName + ' = ' + it.measurements.collect {
        row -> row.value.magnitude / row.weight
      }.sum() / it.measurements.size

jkubrynski

 _____________________________________ 
< beavis.zen : echo This is test text >
 ------------------------------------- 
   \         __------~~-,
    \      ,'            ,
          /               \
         /                :
        |                  '
        |                  |
        |                  |

jkubrynski

Field field = Unsafe.class.getDeclaredField("theUnsafe");
field.setAccessible(true);
Unsafe unsafe = (Unsafe) field.get(null);

Integer test = 999;
int strAddress = unsafe.getInt("", 8L);
unsafe.putInt(test, 8L, strAddress);
System.out.println(test.getClass());

jkubrynski

import sun.misc.Unsafe;

import java.lang.reflect.Field;
import java.util.concurrent.ForkJoinPool;

/**
 * @author Jakub Kubrynski
 */
public class ReplaceCommonPool {

jkubrynski

option gchisto {
  column {
    header "^TT^"
    width 3
    data sun.gc.policy.tenuringThreshold
  }
  column {
    header "A0^"
    width 8
    scale K

jkubrynski

<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>io.codearte.perf</groupId>
    <artifactId>jmh-tests</artifactId>
    <version>1.0.0</version>
    <packaging>jar</packaging>

    <dependencies>

jkubrynski

package springtutorial.scoringsystem.data.config;

import org.hibernate.jpa.HibernatePersistenceProvider;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.jpa.AbstractEntityManagerFactoryBean;

jkubrynski

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>org.codehaus.gmavenplus</groupId>
				<artifactId>gmavenplus-plugin</artifactId>
				<version>1.5</version>

jkubrynski

			<plugin>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-contract-maven-plugin</artifactId>
				<version>1.1.0.M1</version>
				<extensions>true</extensions>
				<configuration>
					<basePackageForTests>com.test.weather.web</basePackageForTests>
					<baseClassForTests>com.test.weather.web.AbstractContractTest</baseClassForTests>
					<testFramework>JUNIT</testFramework>
				</configuration>

jkubrynski

import org.hibernate.boot.model.relational.Sequence;
import org.hibernate.tool.schema.internal.DefaultSchemaFilter;
import org.hibernate.tool.schema.spi.SchemaFilter;
import org.hibernate.tool.schema.spi.SchemaFilterProvider;

public class NoSequenceFilterProvider implements SchemaFilterProvider {

	@Override
	public SchemaFilter getCreateFilter() {
		return noSequenceFilter();