一致性集群配置
我是 Oracle Coherence 的新手,正在尝试使用 POC 将 Coherence 用作我们应用程序的分布式缓存。这是在我的开发环境中,我尝试使用两个一致性客户端实例进行集群设置。 我所做的更改是创建 tangosol_coherence_override.xml
和 coherence-cache-config.xml
以下是目前的详细信息。
正如用户指南中所建议的,当我启动一个默认缓存服务器实例和两个一致性实例时,它们不是群集的,在控制台上对一个一致性所做的更改不会反映在另一个一致性上。
我所做的更改是设置单播地址和端口,配置集群名称和端口。 任何指针或示例配置文件都会有所帮助。 我的机器 IP - 10.209.14.17
tangosol_coherence_override.xml
<?xml version='1.0'?>
<coherence xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.oracle.com/coherence/coherence-operational-config"
xsi:schemaLocation="http://xmlns.oracle.com/coherence/coherence-operational-config coherence-operational-config.xsd">
<cluster-config>
<member-identity>
<cluster-name system-property="tangosol.coherence.cluster">GR</cluster-name>
</member-identity>
<unicast-listener>
<address system-property="tangosol.coherence.localhost">10.209.14.17
</address>
<port system-property="tangosol.coherence.localport">8090</port>
<port-auto-adjust system-property="tangosol.coherence.localport.adjust">
true
</port-auto-adjust>
</unicast-listener>
<multicast-listener>
<address>224.3.7.0</address>
<port>4280</port>
<time-to-live>0</time-to-live>
</multicast-listener>
</cluster-config>
<configurable-cache-factory-config>
<init-params>
<init-param>
<param-type>java.lang.String</param-type>
<param-value system-property="tangosol.coherence.cacheconfig">
coherence-cache-config.xml</param-value>
</init-param>
</init-params>
</configurable-cache-factory-config>
</coherence>
coherence-cache-config.xml
<?xml version="1.0"?>
<cache-config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.oracle.com/coherence/coherence-cache-config"
xsi:schemaLocation="http://xmlns.oracle.com/coherence/coherence-cache-config
coherence-cache-config.xsd">
<caching-scheme-mapping>
<cache-mapping>
<cache-name>voCache</cache-name>
<scheme-name>distributed</scheme-name>
</cache-mapping>
</caching-scheme-mapping>
<caching-schemes>
<distributed-scheme>
<scheme-name>distributed</scheme-name>
<service-name>DistributedCache</service-name>
<backing-map-scheme>
<local-scheme/>
</backing-map-scheme>
<autostart>true</autostart>
</distributed-scheme>
</caching-schemes>
</cache-config>
I am new to oracle coherence and trying out a POC to use coherence as a distributed cache for our application. This is in my dev environment, I am trying to have a clustered setup with two coherence client instances.
The changes I did was to create tangosol_coherence_override.xml
and coherence-cache-config.xml
Below are the details present.
As suggested in the user guide when i start one instance of default cache server and two instances of coherence, they are not clustered, changes made on console on one coherence does not reflect on the other.
The changes I did was to set a unicast address and port, configure the cluster name and port.
Any pointers or sample configuration files would help.
My machine ip - 10.209.14.17
tangosol_coherence_override.xml
<?xml version='1.0'?>
<coherence xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.oracle.com/coherence/coherence-operational-config"
xsi:schemaLocation="http://xmlns.oracle.com/coherence/coherence-operational-config coherence-operational-config.xsd">
<cluster-config>
<member-identity>
<cluster-name system-property="tangosol.coherence.cluster">GR</cluster-name>
</member-identity>
<unicast-listener>
<address system-property="tangosol.coherence.localhost">10.209.14.17
</address>
<port system-property="tangosol.coherence.localport">8090</port>
<port-auto-adjust system-property="tangosol.coherence.localport.adjust">
true
</port-auto-adjust>
</unicast-listener>
<multicast-listener>
<address>224.3.7.0</address>
<port>4280</port>
<time-to-live>0</time-to-live>
</multicast-listener>
</cluster-config>
<configurable-cache-factory-config>
<init-params>
<init-param>
<param-type>java.lang.String</param-type>
<param-value system-property="tangosol.coherence.cacheconfig">
coherence-cache-config.xml</param-value>
</init-param>
</init-params>
</configurable-cache-factory-config>
</coherence>
coherence-cache-config.xml
<?xml version="1.0"?>
<cache-config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.oracle.com/coherence/coherence-cache-config"
xsi:schemaLocation="http://xmlns.oracle.com/coherence/coherence-cache-config
coherence-cache-config.xsd">
<caching-scheme-mapping>
<cache-mapping>
<cache-name>voCache</cache-name>
<scheme-name>distributed</scheme-name>
</cache-mapping>
</caching-scheme-mapping>
<caching-schemes>
<distributed-scheme>
<scheme-name>distributed</scheme-name>
<service-name>DistributedCache</service-name>
<backing-map-scheme>
<local-scheme/>
</backing-map-scheme>
<autostart>true</autostart>
</distributed-scheme>
</caching-schemes>
</cache-config>
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根据文档执行一致性多播测试:
http://docs.oracle.com/cd/E18686_01/coh .37/e18679/tune_multigramtest.htm
如果禁用多播,则使用 WKA:
http://docs.oracle.com/cd/E18686_01 /coh.37/e18677/cluster_setup.htm#CEGEADBE
Perform a Coherence multicast test as per the documentation:
http://docs.oracle.com/cd/E18686_01/coh.37/e18679/tune_multigramtest.htm
If multicast is disabled, use WKA:
http://docs.oracle.com/cd/E18686_01/coh.37/e18677/cluster_setup.htm#CEGEADBE