Juan José Ramos Cassella created GEODE-6922:
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Summary: Distribute the Execution of RegionSizeFunction Evenly
Across Members
Key: GEODE-6922
URL: https://issues.apache.org/jira/browse/GEODE-6922
Project: Geode
Issue Type: Bug
Components: http session
Reporter: Juan José Ramos Cassella
The {{RegionSizeFunction}} is invoked within
{{ClientServerSessionCache.size()}} as below:
{code:java}
public int size() {
// Add a single dummy key to force the function to go to one server
Set<String> filters = new HashSet<String>();
filters.add("test-key");
// Execute the function on the session region
Execution execution =
FunctionService.onRegion(getSessionRegion()).withFilter(filters);
ResultCollector collector = execution.execute(RegionSizeFunction.ID);
List<Integer> result = (List<Integer>) collector.getResult();
// Return the first (and only) element
return result.get(0);
}
{code}
This makes the call to go to a single server every time, which may contribute
to overload the member. The key should be randomly generated so the executions
are spread around the available members.
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