环境
java8环境
-
hadoop安装启动
version servers master cdh-hadoop-2.6.0 spark-slave10, spark-slave11, spark-slave12, spark-slave13, spark-slave14 spark-slave10 -
hbase安装启动
version servers master cdh-zookeeper spark-slave10, spark-slave12, spark-slave14 hbase-1.2.0-cdh5.15.0 spark-slave10, spark-slave11, spark-slave12, spark-slave13, spark-slave14 spark-slave10 -
es安装启动
version servers master elasticsearch-5.6.0 spark-slave12, spark-slave13, spark-slave14 spark-slave14
-
janusgraph安装
- janusgraph-0.3.0-hadoop2
- 10.179.90.75
- vi conf/my-hbase-es.properties
storage.backend=hbase storage.hostname=slave10.spark.com,slave12.spark.com,slave14.spark.com storage.port=2181 index.search.backend=elasticsearch index.search.hostname=slave12.spark.com:9200,slave13.spark.com:9200,slave14.spark.com:9200 storage.index.search.client-only=true storage.index.search.local-mode=false storage.index.search.sniff=false gremlin.graph=org.janusgraph.core.JanusGraphFactory storage.batch-loading=true force-index=true storage.hbase.table=myjanusgraph 环境变量
vi /etc/profile
export JANUSGRAPH_HOME='/home/janus/janusgraph-0.3.0-hadoop2'
export PATH=$PATH::$JANUSGRAPH_HOME/bin
source /etc/profile
本地初始化测试
gremlin.sh
gremlin> graph = JanusGraphFactory.open('conf/my-hbase-es.properties')
==>standardjanusgraph[hbase:[spark-slave10, spark-slave12, spark-slave14]]
gremlin> GraphOfTheGodsFactory.load(graph)
==>null
gremlin> g = graph.traversal()
==>graphtraversalsource[standardjanusgraph[hbase:[spark-slave10, spark-slave12, spark-slave14]], standard]
gremlin> saturn = g.V().has('name', 'saturn').next()
==>v[4112]
gremlin> g.V(saturn).valueMap()
==>[name:[saturn],age:[10000]]
gremlin> g.V(saturn).in('father').in('father').values('name')
==>hercules
hbase table
myjanusgraph
es index
janusgraph index
启动server
conf
cp conf/my-hbase-es.properties conf/gremlin-server/myserver-hbase-es.properties
cp conf/gremlin-server/gremlin-server.yaml conf/gremlin-server/myws-gremlin-server.yaml
host: 0.0.0.0
port: 8182
scriptEvaluationTimeout: 30000
channelizer: org.apache.tinkerpop.gremlin.server.channel.WsAndHttpChannelizer
graphs: {
graph: conf/gremlin-server/myserver-hbase-es.properties
}
scriptEngines: {
gremlin-groovy: {
plugins: { org.janusgraph.graphdb.tinkerpop.plugin.JanusGraphGremlinPlugin: {},
org.apache.tinkerpop.gremlin.server.jsr223.GremlinServerGremlinPlugin: {},
org.apache.tinkerpop.gremlin.tinkergraph.jsr223.TinkerGraphGremlinPlugin: {},
org.apache.tinkerpop.gremlin.jsr223.ImportGremlinPlugin: {classImports: [java.lang.Math], methodImports: [java.lang.Math#*]},
org.apache.tinkerpop.gremlin.jsr223.ScriptFileGremlinPlugin: {files: [scripts/empty-sample.groovy]}}}}
serializers:
- { className: org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV3d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
- { className: org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV3d0, config: { serializeResultToString: true }}
- { className: org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerV3d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
# Older serialization versions for backwards compatibility:
- { className: org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV1d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
- { className: org.apache.tinkerpop.gremlin.driver.ser.GryoLiteMessageSerializerV1d0, config: {ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
- { className: org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV1d0, config: { serializeResultToString: true }}
- { className: org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerGremlinV2d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
- { className: org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerGremlinV1d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistryV1d0] }}
- { className: org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerV1d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistryV1d0] }}
processors:
- { className: org.apache.tinkerpop.gremlin.server.op.session.SessionOpProcessor, config: { sessionTimeout: 28800000 }}
- { className: org.apache.tinkerpop.gremlin.server.op.traversal.TraversalOpProcessor, config: { cacheExpirationTime: 600000, cacheMaxSize: 1000 }}
metrics: {
consoleReporter: {enabled: true, interval: 180000},
csvReporter: {enabled: true, interval: 180000, fileName: /tmp/gremlin-server-metrics.csv},
jmxReporter: {enabled: true},
slf4jReporter: {enabled: true, interval: 180000},
gangliaReporter: {enabled: false, interval: 180000, addressingMode: MULTICAST},
graphiteReporter: {enabled: false, interval: 180000}}
maxInitialLineLength: 4096
maxHeaderSize: 8192
maxChunkSize: 8192
maxContentLength: 65536
maxAccumulationBufferComponents: 1024
resultIterationBatchSize: 64
writeBufferLowWaterMark: 32768
writeBufferHighWaterMark: 65536
start
gremlin-server.sh conf/gremlin-server/myws-gremlin-server.yaml
server remote测试
1. http curl
curl -XPOST -Hcontent-type:application/json -d '{"gremlin":"g.V().count()"}' http://10.179.90.75:8182
2. websocket client
conf
cp conf/remote.yaml conf/my-remote.yaml
vi conf/my-remote.yaml
hosts: [10.179.90.75]
port: 8182
serializer: { className: org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV1d0, config: { serializeResultToString: true }}
cp remote-graph.properties my-remote-graph.properties
vi my-remote-graph.properties
gremlin.remote.remoteConnectionClass=org.apache.tinkerpop.gremlin.driver.remote.DriverRemoteConnection
gremlin.remote.driver.clusterFile=conf/my-remote-objects.yaml
gremlin.remote.driver.sourceName=g
cp remote-objects.yaml my-remote-objects.yaml
vi my-remote-objects.yaml
hosts: [10.179.90.75]
port: 8182
serializer: { className: org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV1d0, config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
test
gremlin.sh
gremlin> :remote connect tinkerpop.server conf/my-remote.yaml session
==>Configured 10.179.90.75/10.179.90.75:8182-[df860006-7383-4aed-89bb-4f07c27ae4c9]
gremlin> graph = EmptyGraph.instance()
==>emptygraph[empty]
gremlin> g = graph.traversal().withRemote("my-remote-graph.properties")
==>graphtraversalsource[emptygraph[empty], standard]
gremlin> g.V().valueMap()
==>[name:[saturn],age:[10000]]
==>[name:[neptune],age:[4500]]
==>[name:[jupiter],age:[5000]]
==>[name:[alcmene],age:[45]]
==>[name:[tartarus]]
==>[name:[sky]]
==>[name:[hercules],age:[30]]
==>[name:[pluto],age:[4000]]
==>[name:[sea]]
==>[name:[hydra]]
==>[name:[cerberus]]
==>[name:[nemean]]
3. java client
代码结构
pom.xml
<dependency>
<groupId>org.janusgraph</groupId>
<artifactId>janusgraph-core</artifactId>
<version>0.3.2</version>
</dependency>
<dependency>
<groupId>org.apache.tinkerpop</groupId>
<artifactId>gremlin-driver</artifactId>
<version>3.3.3</version>
</dependency>
remote-graph.properties
gremlin.remote.remoteConnectionClass=org.apache.tinkerpop.gremlin.driver.remote.DriverRemoteConnection
gremlin.remote.driver.clusterFile=src/main/resources/remote-objects.yaml
gremlin.remote.driver.sourceName=g
remote-object.yaml
hosts: [10.179.90.75]
port: 8182
serializer: { className: org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV1d0,
config: { ioRegistries: [org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry] }}
main app
package com.lsy.myjanus;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.util.empty.EmptyGraph;
/**
* Created by lisiyu.
*/
public class JanusApp {
public static void main(String[] args) throws Exception {
Graph graph = EmptyGraph.instance();
GraphTraversalSource g = graph.traversal().withRemote("remote-graph.properties");
// Reuse 'g' across the application
// and close it on shut-down to close open connections with g.close()
Object age = g.V().has("name", "saturn").values("age").next();
System.out.println("saturn'age is " + age + ".");
}
}
