@Test
public void testDisabledThresholds() throws Exception {
final InternalResourceManager irm = this.cache.getResourceManager();
final OffHeapMemoryMonitor monitor = irm.getOffHeapMonitor();
final RegionFactory regionFactory = this.cache.createRegionFactory(RegionShortcut.LOCAL);
regionFactory.setOffHeap(true);
final EvictionAttributesImpl evictionAttrs = new EvictionAttributesImpl();
evictionAttrs.setAlgorithm(EvictionAlgorithm.NONE);
regionFactory.setEvictionAttributes(evictionAttrs);
final Region region = regionFactory.create("testDefaultThresholdsRegion");
TestMemoryThresholdListener listener = new TestMemoryThresholdListener();
irm.addResourceListener(ResourceType.OFFHEAP_MEMORY, listener);
region.put("1", new Byte[550000]);
region.put("2", new Byte[200000]);
assertEquals(0, irm.getStats().getOffHeapEvictionStartEvents());
assertEquals(0, irm.getStats().getOffHeapEvictionStopEvents());
assertEquals(0, irm.getStats().getOffHeapCriticalEvents());
assertEquals(0, irm.getStats().getOffHeapSafeEvents());
assertEquals(0, listener.getEvictionThresholdCalls());
assertEquals(0, listener.getCriticalThresholdCalls());
// Enable eviction threshold and make sure event is generated
monitor.setEvictionThreshold(50f);
assertEquals(1, irm.getStats().getOffHeapEvictionStartEvents());
assertEquals(0, irm.getStats().getOffHeapCriticalEvents());
assertEquals(1, listener.getEvictionThresholdCalls());
assertEquals(0, listener.getCriticalThresholdCalls());
// Enable critical threshold and make sure event is generated
region.put("3", new Byte[200000]);
monitor.setCriticalThreshold(70f);
assertEquals(1, irm.getStats().getOffHeapEvictionStartEvents());
assertEquals(1, irm.getStats().getOffHeapCriticalEvents());
assertEquals(2, listener.getEvictionThresholdCalls());
assertEquals(1, listener.getCriticalThresholdCalls());
// Disable thresholds and verify events
monitor.setEvictionThreshold(0f);
monitor.setCriticalThreshold(0f);
assertEquals(1, irm.getStats().getOffHeapEvictionStartEvents());
assertEquals(1, irm.getStats().getOffHeapEvictionStopEvents());
assertEquals(1, irm.getStats().getOffHeapCriticalEvents());
assertEquals(1, irm.getStats().getOffHeapSafeEvents());
assertEquals(2, listener.getEvictionThresholdCalls());
assertEquals(2, listener.getCriticalThresholdCalls());
assertEquals(0, listener.getNormalCalls());
assertEquals(2, listener.getEvictionDisabledCalls());
assertEquals(2, listener.getCriticalDisabledCalls());
}
/**
* Intelligently merges the given RegionAttributes with the configuration setting of the
* RegionFactory. This method is used to merge the RegionAttributes and PartitionAttributes with
* the RegionFactory that is created when the user specified a RegionShortcut. This method gets
* called by the createRegionFactory method depending upon the value passed to the
* Cache.createRegionFactory() method (i.e. whether there was a RegionShortcut specified or not).
*
* @param <K> the Class type fo the Region key.
* @param <V> the Class type of the Region value.
* @param regionFactory the GemFire RegionFactory used to configure and create the Region that is
* the product of this RegionFactoryBean.
* @param regionAttributes the RegionAttributes containing the Region configuration settings to
* merge to the RegionFactory.
* @return the RegionFactory with the configuration settings of the RegionAttributes merged.
* @see #isUserSpecifiedEvictionAttributes(com.gemstone.gemfire.cache.RegionAttributes)
* @see #validateRegionAttributes(com.gemstone.gemfire.cache.RegionAttributes)
* @see com.gemstone.gemfire.cache.RegionAttributes
* @see com.gemstone.gemfire.cache.RegionFactory
*/
@SuppressWarnings("unchecked")
protected <K, V> RegionFactory<K, V> mergeRegionAttributes(
final RegionFactory<K, V> regionFactory, final RegionAttributes<K, V> regionAttributes) {
if (regionAttributes != null) {
// NOTE this validation may not be strictly required depending on how the RegionAttributes
// were "created",
// but...
validateRegionAttributes(regionAttributes);
regionFactory.setCloningEnabled(regionAttributes.getCloningEnabled());
regionFactory.setCompressor(regionAttributes.getCompressor());
regionFactory.setConcurrencyChecksEnabled(regionAttributes.getConcurrencyChecksEnabled());
regionFactory.setConcurrencyLevel(regionAttributes.getConcurrencyLevel());
regionFactory.setCustomEntryIdleTimeout(regionAttributes.getCustomEntryIdleTimeout());
regionFactory.setCustomEntryTimeToLive(regionAttributes.getCustomEntryTimeToLive());
regionFactory.setDiskSynchronous(regionAttributes.isDiskSynchronous());
regionFactory.setEnableAsyncConflation(regionAttributes.getEnableAsyncConflation());
regionFactory.setEnableSubscriptionConflation(
regionAttributes.getEnableSubscriptionConflation());
regionFactory.setEntryIdleTimeout(regionAttributes.getEntryIdleTimeout());
regionFactory.setEntryTimeToLive(regionAttributes.getEntryTimeToLive());
// NOTE EvictionAttributes are created by certain RegionShortcuts; need the null check!
if (isUserSpecifiedEvictionAttributes(regionAttributes)) {
regionFactory.setEvictionAttributes(regionAttributes.getEvictionAttributes());
}
regionFactory.setIgnoreJTA(regionAttributes.getIgnoreJTA());
regionFactory.setIndexMaintenanceSynchronous(
regionAttributes.getIndexMaintenanceSynchronous());
regionFactory.setInitialCapacity(regionAttributes.getInitialCapacity());
regionFactory.setKeyConstraint(regionAttributes.getKeyConstraint());
regionFactory.setLoadFactor(regionAttributes.getLoadFactor());
regionFactory.setLockGrantor(regionAttributes.isLockGrantor());
regionFactory.setMembershipAttributes(regionAttributes.getMembershipAttributes());
regionFactory.setMulticastEnabled(regionAttributes.getMulticastEnabled());
mergePartitionAttributes(regionFactory, regionAttributes);
regionFactory.setPoolName(regionAttributes.getPoolName());
regionFactory.setRegionIdleTimeout(regionAttributes.getRegionIdleTimeout());
regionFactory.setRegionTimeToLive(regionAttributes.getRegionTimeToLive());
regionFactory.setStatisticsEnabled(regionAttributes.getStatisticsEnabled());
regionFactory.setSubscriptionAttributes(regionAttributes.getSubscriptionAttributes());
regionFactory.setValueConstraint(regionAttributes.getValueConstraint());
}
return regionFactory;
}
