One server node seems to hang onto heap memory after clear

[styriver <Sc...@mgic.com>]

Hello Created a load test where we had two server nodes in our topology and
loaded with 10 gig of data.
After loading to the point where off heap max was reached we issued a clear
and emptied the cache. Verified that off heap entry counts were set back to
zero on both our servers. The heap cleared completely on one of the server
nodes the other node heap did not go down. It looks like all the memory was
in the Old Gen Space.

Here is our cache configuration

	<bean id="imageCache" abstract="true"
class="org.apache.ignite.configuration.CacheConfiguration">           
			
		<property name="name" value="ImageCache"/>

			
		<property name="cacheMode" value="REPLICATED"/>
		
			
		<property name="memoryMode" value="OFFHEAP_TIERED"/>
	
			
		<property name="swapEnabled" value="false"/> 	
		         
        <property name="indexedTypes">
			<util:list id="myList" value-type="java.lang.Class">
			    <value>java.util.UUID</value>
			    <value>com.mgic.documentviewer.imaging.cache.beans.TiffPage</value>
			</util:list>
       </property>
       
    	
		<property name="sqlOnheapRowCacheSize" value="1" />
					
       		
		<property name="atomicityMode" value="ATOMIC" />
		      		
	</bean>
				<bean parent="imageCache">           	
						
					<property name="offHeapMaxMemory" value="#{10 * 1024L * 1024L * 1024L}"
/>
					
						
					<property name="statisticsEnabled" value="true"/> 					
																	
				</bean>




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Re: One server node seems to hang onto heap memory after clear

[vdpyatkov <vl...@gmail.com>]

Hi,

If your caches are off_heap, these do not consume heap basically.

Could you please, get heap dump and try to provide briefly analyze, which
object consume heap?



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