Springboot Apache Ignite integration - DB integration

Question

I am trying to do a poc to use Apache Ignite in our microservices to cache for DB transactions. The following is the Ignite Config code:

IgniteConfiguration igniteConfiguration = new IgniteConfiguration();
igniteConfiguration.setIgniteInstanceName("igniteConfig");

ignite = Ignition.start(igniteConfiguration);

CacheConfiguration<Long, MyClass> myClassCacheConfig = new CacheConfiguration<>("cacheName");
myClassCacheConfig.setIndexedTypes(Long.class, MyClass.class);
myClassCacheConfig.setOnheapCacheEnabled(true);
myClassCacheConfig.setWriteBehindEnabled(false);
myClassCacheConfig.setReadThrough(false);
myClassCacheConfig.setWriteThrough(false);
myClassCacheConfig.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
myClassCacheConfig.setPartitionLossPolicy(PartitionLossPolicy.READ_WRITE_ALL);
myClassCacheConfig.setExpiryPolicyFactory(AccessedExpiryPolicy.factoryOf(new Duration(TimeUnit.MINUTES, 1)));

ignite.getOrCreateCache(myClassCacheConfig);

I am using the following dependencies in pom.xml

<!-- https://mvnrepository.com/artifact/org.apache.ignite/ignite-spring -->
<dependency>
    <groupId>org.apache.ignite</groupId>
    <artifactId>ignite-spring</artifactId>
    <version>2.7.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.ignite/ignite-core -->
<dependency>
    <groupId>org.apache.ignite</groupId>
    <artifactId>ignite-core</artifactId>
    <version>2.7.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.ignite/ignite-indexing -->
<dependency>
    <groupId>org.apache.ignite</groupId>
    <artifactId>ignite-indexing</artifactId>
    <version>2.7.6</version>
</dependency>

The following is what I see in the logs:

15:35:13]    __________  ________________ 
[15:35:13]   /  _/ ___/ |/ /  _/_  __/ __/ 
[15:35:13]  _/ // (7 7    // /  / / / _/   
[15:35:13] /___/\___/_/|_/___/ /_/ /___/  
[15:35:13] 
.....
[15:35:16] Ignite node started OK (id=someid, instance name=igniteConfig)
[15:35:16] Topology snapshot [ver=1, locNode=204dbcd4, servers=1, clients=0, state=ACTIVE, CPUs=12, offheap=6.4GB, heap=8.0GB]

The question I have is:

How can I be sure that the data is getting cached?
I am trying to get the size of the cache using the code:

System.out.println("in service cache size is: "+igniteConfigBean.getOrCreateCache("cacheName").size()); I always get 0

So what basic configurations am I missing?

Alex K Alex K · Accepted Answer · 2019-11-15T00:05:44

You can use cache metrics to determine the size of your cache(s) https://www.gridgain.com/docs/8.7.7/administrators-guide/monitoring-metrics/configuring-metrics

use the webconsole to monitor:https://www.gridgain.com/docs/web-console/latest/web-console-getting-started

https://www.gridgain.com/docs/web-console/latest/cluster-manage-monitor

or

cache.metrics().getCacheSize()

Springboot Apache Ignite integration - DB integration

2 Answers