maxdemarzi

/**
 * Private inner class for sorting.
 *
 * @author dany
 */
public final class MutableInt implements Comparable<MutableInt> {
    public int value = 0;

    public MutableInt(int value) {
        this.value = value;

maxdemarzi

import org.neo4j.graphdb.Node;

import java.util.Comparator;
import java.util.Map;

/**
* @author mh
* @since 16.03.14
*/
public class MutableIntEntryComparator implements Comparator<Map.Entry<Node, MutableInt>> {

maxdemarzi

package org.neo4j.server.rest.security;

import javax.servlet.http.HttpServletRequest;
import javax.xml.bind.DatatypeConverter;
import java.util.StringTokenizer;
import java.io.UnsupportedEncodingException;

public class LockDownSecurityRule implements SecurityRule {

    public static final String REALM = "WallyWorld"; // as per RFC2617 :-);

maxdemarzi

require 'net/http'
require 'uri'

# Set Java Home
unless ENV["JAVA_HOME"] 
  puts "You need to set your JAVA_HOME environment variable by running:"
  javahome = `/usr/libexec/java_home`
  command = "export JAVA_HOME=\"" + javahome.strip + "\""
  puts command
end

maxdemarzi

import io.gatling.core.Predef._
import io.gatling.core.scenario.Simulation
import io.gatling.http.Predef._

import scala.concurrent.duration._

class CreateNode extends Simulation {

  val httpConf = http
    .baseURL("http://localhost:7474")

maxdemarzi

int i = 0;
Transaction tx = db.beginTx();
try {
  for ( Relationship relationship : GlobalGraphOperations.at(db).getAllRelationships()) {
    // Do some work on relationship property
    i++;
    // Commit every x transactions
    if (i % 10000 == 0) {
        tx.success();
        tx.close();

maxdemarzi

private static SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
int i = 0;
Transaction tx = db.beginTx();
try {
  for ( Node node : GlobalGraphOperations.at(db).getAllNodes()) {
    Date theDate = DATE_FORMAT.parse((String)node.getProperty("my_date_as_string_property", "2099-12-31 12:00:00"));
    node.setProperty("new_date_as_millis", theDate.getTime());
    i++;
    // Commit every x transactions
    if (i % 10000 == 0) {

maxdemarzi

Usage

Use latest Neo4j for best results, e.g. 2.2.2 or 2.3.0-M02 (http://neo4j.com/download) On a machine with 12 cores use concurrency 24

Create 1 node, 1 rel, 1 property per request, 1M requests

Total: 1M nodes, rels, props

maxdemarzi

@Grab("org.neo4j.driver:neo4j-java-driver:1.0-SNAPSHOT")

import org.neo4j.driver.v1.*

Driver driver = GraphDatabase.driver( "bolt://localhost" );

Session session = driver.session();

//Result rs = session.run("cypher runtime=compiled MATCH (n:Foo)-[r:NEXT]->(m) RETURN n.id AS n,m.id AS m");
ResultCursor rs = session.run(" MATCH (n) WHERE ID(n) = 0 RETURN id(n) AS n");

maxdemarzi

---
name: neo4j-deployment
director_uuid: 93c01d2d-a2a5-49d8-8d02-389fd223a9cf    
releases:
- {name: neo4j, version: 2.3.3}
networks:
- name: my-network
  type: vip
compilation:
  workers: 1