final String user_0 = "user_0";
// Submit applications
final ApplicationAttemptId appAttemptId_0 =
TestUtils.getMockApplicationAttemptId(0, 0);
FiCaSchedulerApp app_0 =
new FiCaSchedulerApp(appAttemptId_0, user_0, a,
mock(ActiveUsersManager.class), rmContext);
a.submitApplicationAttempt(app_0, user_0);
final ApplicationAttemptId appAttemptId_1 =
TestUtils.getMockApplicationAttemptId(1, 0);
FiCaSchedulerApp app_1 =
new FiCaSchedulerApp(appAttemptId_1, user_0, a,
mock(ActiveUsersManager.class), rmContext);
a.submitApplicationAttempt(app_1, user_0); // same user
// Setup some nodes
String host_0 = "127.0.0.1";
FiCaSchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0,
8*GB);
final int numNodes = 1;
Resource clusterResource =
Resources.createResource(numNodes * (8*GB), numNodes * 16);
when(csContext.getNumClusterNodes()).thenReturn(numNodes);
// Setup resource-requests
Priority priority = TestUtils.createMockPriority(1);
app_0.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 3, true,
priority, recordFactory)));
app_1.updateResourceRequests(Collections.singletonList(
TestUtils.createResourceRequest(ResourceRequest.ANY, 1*GB, 2, true,
priority, recordFactory)));
// Start testing...
// Only 1 container
a.assignContainers(clusterResource, node_0);
assertEquals(1*GB, a.getUsedResources().getMemory());
assertEquals(1*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(1*GB, a.getMetrics().getAllocatedMB());
assertEquals(0*GB, a.getMetrics().getAvailableMB());
// Also 2nd -> minCapacity = 1024 since (.1 * 8G) < minAlloc, also
// you can get one container more than user-limit
a.assignContainers(clusterResource, node_0);
assertEquals(2*GB, a.getUsedResources().getMemory());
assertEquals(2*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(2*GB, a.getMetrics().getAllocatedMB());
// Can't allocate 3rd due to user-limit
a.assignContainers(clusterResource, node_0);
assertEquals(2*GB, a.getUsedResources().getMemory());
assertEquals(2*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(2*GB, a.getMetrics().getAllocatedMB());
// Bump up user-limit-factor, now allocate should work
a.setUserLimitFactor(10);
a.assignContainers(clusterResource, node_0);
assertEquals(3*GB, a.getUsedResources().getMemory());
assertEquals(3*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(3*GB, a.getMetrics().getAllocatedMB());
// One more should work, for app_1, due to user-limit-factor
a.assignContainers(clusterResource, node_0);
assertEquals(4*GB, a.getUsedResources().getMemory());
assertEquals(3*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(1*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(4*GB, a.getMetrics().getAllocatedMB());
// Test max-capacity
// Now - no more allocs since we are at max-cap
a.setMaxCapacity(0.5f);
a.assignContainers(clusterResource, node_0);
assertEquals(4*GB, a.getUsedResources().getMemory());
assertEquals(3*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(1*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(4*GB, a.getMetrics().getAllocatedMB());
// Release each container from app_0
for (RMContainer rmContainer : app_0.getLiveContainers()) {
a.completedContainer(clusterResource, app_0, node_0, rmContainer,
null, RMContainerEventType.KILL, null);
}
assertEquals(1*GB, a.getUsedResources().getMemory());
assertEquals(0*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(1*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(1*GB, a.getMetrics().getAllocatedMB());
// Release each container from app_1
for (RMContainer rmContainer : app_1.getLiveContainers()) {
a.completedContainer(clusterResource, app_1, node_0, rmContainer,
null, RMContainerEventType.KILL, null);
}
assertEquals(0*GB, a.getUsedResources().getMemory());
assertEquals(0*GB, app_0.getCurrentConsumption().getMemory());
assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
assertEquals(0*GB, a.getMetrics().getReservedMB());
assertEquals(0*GB, a.getMetrics().getAllocatedMB());
assertEquals((int)(a.getCapacity() * node_0.getTotalResource().getMemory()),
a.getMetrics().getAvailableMB());
}