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https://issues.apache.org/jira/browse/GEODE-9701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kirk Lund reassigned GEODE-9701:
--------------------------------
Assignee: Kirk Lund
> ClusterStartupRule starts 4 VMs even if fewer VMs is specified
> --------------------------------------------------------------
>
> Key: GEODE-9701
> URL: https://issues.apache.org/jira/browse/GEODE-9701
> Project: Geode
> Issue Type: Bug
> Components: tests
> Reporter: Kirk Lund
> Assignee: Kirk Lund
> Priority: Major
> Labels: GeodeOperationAPI, needsTriage
>
> Bill reported that ClusterStartupRule seems to be creating 4 VMs no matter
> how few VMs he specifies in a new test for [PR
> #6930|https://github.com/apache/geode/pull/6930]. The concern is that by
> creating more VMs, we are causing unnecessary load on machines in the cloud.
> I wrote this simple test which confirms the problem:
> {noformat}
> import static org.apache.geode.test.dunit.VM.getVMCount;
> import static org.assertj.core.api.Assertions.assertThat;
> import org.junit.Rule;
> import org.junit.Test;
> import org.apache.geode.test.dunit.rules.ClusterStartupRule;
> public class ClusterStartupRuleVmCountDistributedTest {
> @Rule
> public ClusterStartupRule clusterStartupRule = new ClusterStartupRule(3);
> @Test
> public void limitsVMsTo3() {
> assertThat(getVMCount()).isEqualTo(3);
> }
> }
> {noformat}
> But if I replace {{ClusterStartupRule}} with {{DistributedRule}}, it passes
> so the problem is specific to {{ClusterStartupRule}}.
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