初探eXtreme scale

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本指南详细介绍了如何基于WebSphere Extreme Scale 8.6进行服务器端和客户端配置，包括安装、启动服务器和容器服务器、使用Object Grid XML文件配置以及执行查询等关键步骤。

Note: This document was based on WebSphere Extreme Scale 8.6. It doesn’t supported for lower version on some operate.

1. Download the extreme scale to your own PC, Extract it to a directry.

Server Side:

2. Open a DOS window. And direct to ${xs install home}/bin

3. Start a catalog server.

startXsServer ${catalogServer_name}

Help info:

<server> [options]

--------CatalogServer Arguments-------------------------------

-catalogServiceEndPoints <server:host:port:port,server:host:port:port>

-quorum true|false

-heartbeat 0|1|-1|10|-10

-clusterSecurityFile <cluster security xml file>

-clusterSecurityUrl <cluster security xml URL>

-domain <domain name>

-transport <ORB|XIO>

--------Common Arguments-------------------------------

-listenerHost <hostname>

-listenerPort <port>

-serverProps <server properties file>

-JMXServicePort <port>

-JMXConnectorPort <port>

-traceSpec <trace specification>

-traceFile <trace file>

-timeout <seconds>

-script <script file>

-jvmArgs <JVM arguments>

Note : The default configuration port is [localhost], the default configuration port is [2809].

Also multiple endpoints was supported only with separated with ‘,’.

4. Start a container Server:

StartXsServer.bat ${container_Server_name} -objectgridFile ${file_name or location} –catalogServiceEndpoints localhost:2809

Help info:

<server> -objectgridFile <xml file> [options]

<server> -objectgridUrl <xml URL> [options]

---------------Container Arguments ---------------------------

-catalogServiceEndPoints <host:port,host:port>

-deploymentPolicyFile <deployment policy xml file>

-deploymentPolicyUrl <deployment policy xml URL>

-haManagerPort <port>

-zone <zoneName>
--------Common Arguments-------------------------------

-listenerHost <hostname>

-listenerPort <port>

-serverProps <server properties file>

-JMXServicePort <port>

-JMXConnectorPort <port>

-traceSpec <trace specification>

-traceFile <trace file>

-timeout <seconds>

-script <script file>

-jvmArgs <JVM arguments>

Example for objectgrid.xml & deployment_objectgrid.xml

Objectgrid.xml

<?xml version="1.0" encoding="UTF-8"?>

<objectGridConfig xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 

     xsi:schemaLocation="http://ibm.com/ws/objectgrid/config ../objectGrid.xsd" 

     xmlns="http://ibm.com/ws/objectgrid/config">

    <objectGrids>

        <objectGrid name="accounting">

            <backingMap name="customer" readOnly="false" copyKey="true"/>

        </objectGrid>

    </objectGrids>

</objectGridConfig>

Deployment_objectgrid.xml

<?xml version="1.0" encoding="UTF-8"?>
<deploymentPolicy xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://ibm.com/ws/objectgrid/deploymentPolicy ../deploymentPolicy.xsd"
     xmlns="http://ibm.com/ws/objectgrid/deploymentPolicy">
 
     <objectgridDeployment objectgridName="accounting">
            <mapSet name="mapSet1" numberOfPartitions="1" minSyncReplicas="0" maxSyncReplicas="2" 
                    maxAsyncReplicas="1">
                    <map ref="customer"/>
            </mapSet>
     </objectgridDeployment>
</deploymentPolicy>

Client Side: (Java code)

Condition: ObjectGrid.jar must be approved by version 8.6

5. Get the ObjectGrid

ObjectGridManager ogManager = ObjectGridManagerFactory.getObjectGridManager();

ClientClusterContext ccContext = ogManager.connect(“localhost:2809”, null, null);

ObjectGrid og = ogManager.getObjectGrid(ccConext, “accounting”);

6. Execute query by object query

Session session = og.getSession();

ObjectMap customerMap =  session.getMap(“customer”);

String customer = customerMap.get(“0001”);

If(customer==null){

                customerMap.insert(“0001”, ”Insert UserName_Freud”);

}else{

                customerMap.update(“0001”, “Updated UserName_Freud”);

}

Customer = (String) customerMap.get(“0001”);

System.out.println(“The customer Name is : ” + customer);

7. Parallel query

Waiting to be edit…

8. Map Agent

Waiting to be edit…

9. Add Index

Waiting to be edit…

10. Relationship – Cascade (Waiting to be edit…)

One to one

One to many

Many to one