小编Gia*_*uca的帖子

建立

我正在使用Titan Rexster(titan-server-0.4.4.zip)和Elasticsearch后端在Ubuntu 12.4服务器上运行推荐系统.为了连接到Rexster Server,我使用Bulbflow库进行python.

Beta似乎运行良好3周,但随着负载"增加"(只有几个用户~10),Rexster服务器停止响应.我不知道我的rexster配置是错误的还是我没有正确使用Bulbflow库.

Rexster/Titan配置

这是我的rexster-cassandra-es.xml:

    <?xml version="1.0" encoding="UTF-8"?>
    <rexster>
        <http>
            <server-port>8182</server-port>
            <server-host>0.0.0.0</server-host>
            <base-uri>http://MY_IP</base-uri>
            <web-root>public</web-root>
            <character-set>UTF-8</character-set>
            <enable-jmx>false</enable-jmx>
            <enable-doghouse>true</enable-doghouse>
            <max-post-size>2097152</max-post-size>
            <max-header-size>8192</max-header-size>
            <upload-timeout-millis>30000</upload-timeout-millis>
            <thread-pool>
                <worker>
                    <core-size>20</core-size>
                    <max-size>40</max-size>
                </worker>
                <kernal>
                    <core-size>10</core-size>
                    <max-size>20</max-size>
                </kernal>
            </thread-pool>
            <io-strategy>leader-follower</io-strategy>
        </http>
        <rexpro>
            <server-port>8184</server-port>
            <server-host>0.0.0.0</server-host>
            <session-max-idle>1790000</session-max-idle>
            <session-check-interval>3000000</session-check-interval>
            <connection-max-idle>180000</connection-max-idle>
            <connection-check-interval>3000000</connection-check-interval>
            <enable-jmx>false</enable-jmx>
            <thread-pool>
                <worker>
                    <core-size>8</core-size>
                    <max-size>8</max-size>
                </worker>
                <kernal>
                    <core-size>4</core-size>
                    <max-size>4</max-size>
                </kernal>
            </thread-pool>
            <io-strategy>leader-follower</io-strategy>
        </rexpro>
        <shutdown-port>8183</shutdown-port>
        <shutdown-host>127.0.0.1</shutdown-host>
        <script-engines>
            <script-engine>
                <name>gremlin-groovy</name>
                <reset-threshold>-1</reset-threshold>
                <imports>com.tinkerpop.gremlin.*,com.tinkerpop.gremlin.java.*,com.tinkerpop.gremlin.pipes.filter.*,com.tinkerpop.gremlin.pipes.sideeffect.*,com.tinkerpop.gremlin.pipes.transform.*,com.tinkerpop.blueprints.*,com.tinkerpop.blueprints.impls.*,com.tinkerpop.blueprints.impls.tg.*,com.tinkerpop.blueprints.impls.neo4j.*,com.tinkerpop.blueprints.impls.neo4j.batch.*,com.tinkerpop.blueprints.impls.orient.*,com.tinkerpop.blueprints.impls.orient.batch.*,com.tinkerpop.blueprints.impls.dex.*,com.tinkerpop.blueprints.impls.rexster.*,com.tinkerpop.blueprints.impls.sail.*,com.tinkerpop.blueprints.impls.sail.impls.*,com.tinkerpop.blueprints.util.*,com.tinkerpop.blueprints.util.io.*,com.tinkerpop.blueprints.util.io.gml.*,com.tinkerpop.blueprints.util.io.graphml.*,com.tinkerpop.blueprints.util.io.graphson.*,com.tinkerpop.blueprints.util.wrappers.*,com.tinkerpop.blueprints.util.wrappers.batch.*,com.tinkerpop.blueprints.util.wrappers.batch.cache.*,com.tinkerpop.blueprints.util.wrappers.event.*,com.tinkerpop.blueprints.util.wrappers.event.listener.*,com.tinkerpop.blueprints.util.wrappers.id.*,com.tinkerpop.blueprints.util.wrappers.partition.*,com.tinkerpop.blueprints.util.wrappers.readonly.*,com.tinkerpop.blueprints.oupls.sail.*,com.tinkerpop.blueprints.oupls.sail.pg.*,com.tinkerpop.blueprints.oupls.jung.*,com.tinkerpop.pipes.*,com.tinkerpop.pipes.branch.*,com.tinkerpop.pipes.filter.*,com.tinkerpop.pipes.sideeffect.*,com.tinkerpop.pipes.transform.*,com.tinkerpop.pipes.util.*,com.tinkerpop.pipes.util.iterators.*,com.tinkerpop.pipes.util.structures.*,org.apache.commons.configuration.*,com.thinkaurelius.titan.core.*,com.thinkaurelius.titan.core.attribute.*,com.thinkaurelius.titan.core.util.*,com.thinkaurelius.titan.example.*,org.apache.commons.configuration.*,com.tinkerpop.gremlin.Tokens.T,com.tinkerpop.gremlin.groovy.*</imports>
            <static-imports>com.tinkerpop.blueprints.Direction.*,com.tinkerpop.blueprints.TransactionalGraph$Conclusion.*,com.tinkerpop.blueprints.Compare.*,com.thinkaurelius.titan.core.attribute.Geo.*,com.thinkaurelius.titan.core.attribute.Text.*,com.thinkaurelius.titan.core.TypeMaker$UniquenessConsistency.*,com.tinkerpop.blueprints.Query$Compare.*</static-imports>
            </script-engine>
        </script-engines>
        <security>
            <authentication>
                <type>none</type>
                <configuration>
                    <users>
                        <user>
                            <username>rexster</username>
                            <password>rexster</password>
                        </user>
                    </users>
                </configuration>
            </authentication>
        </security>
        <metrics>
            <reporter> …