This is a simple example that demonstrates loading values using a
Region.get() causes the
CacheLoader to produce a value that is stored in the region. This approach is commonly used to fetch data from other systems like a database.
This example assumes you have installed Java and Geode.
geode-examples/loader directory, build the example and run unit tests
$ ../gradlew build
Next start the locator and two servers
$ gfsh run --file=scripts/start.gfsh
Run the example to load the entries
$ ../gradlew run
The example fetches the entries twice. The first retrieval is slow, simulating a network call. Subsequent retrievals are much faster since the values are stored in the cache. The loader logs requests into the Geode server logs. You can find those at
Shut down the system:
$ gfsh run --file=scripts/stop.gfsh