Hi, Looks like we have a more optimal code in latest versions. See IGNITE-4154 [1] Try to update to >= 1.8 version.
As a workaround you can try to reduce discovery history size with JVM option IGNITE_AFFINITY_HISTORY_SIZE, which is 500 by default. [1] https://issues.apache.org/jira/browse/IGNITE-4154 On Wed, Jul 26, 2017 at 7:30 AM, ignite_user2016 <[email protected]> wrote: > Hello Igniters / Val, > > Since last few weeks, we are seeing out of memory issues on ignite servers, > today I was able to capture the heapdumps and that is pointing to following > classes - > > Our version of Ignite is 1.7.0. > > 15 instances of > "org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache", > loaded by "sun.misc.Launcher$AppClassLoader @ 0xc0029998" occupy > 453,929,512 > (76.41%) bytes. > > Biggest instances: > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc426b868 - 34,931,744 (5.88%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc2f94e28 - 34,745,904 (5.85%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc4a0ffc8 - 34,745,896 (5.85%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc2e41e10 - 34,642,904 (5.83%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc100a648 - 34,376,920 (5.79%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc3da2ac0 - 34,376,288 (5.79%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc32991b0 - 34,376,208 (5.79%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc427d798 - 34,376,008 (5.79%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc57cbd28 - 34,270,952 (5.77%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc0a22ae8 - 34,191,040 (5.76%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc0d8ade8 - 34,190,960 (5.76%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc38a3618 - 34,190,920 (5.76%) bytes. > •org.apache.ignite.internal.processors.affinity. > GridAffinityAssignmentCache > @ 0xc50d0ca8 - 33,900,352 (5.71%) bytes. > > > Keywords > sun.misc.Launcher$AppClassLoader @ 0xc0029998 > org.apache.ignite.internal.processors.affinity.GridAffinityAssignmentCache > > we are running ignite on 1G memory and dont use ignite for any computing. > > Our configuration is based on ip cluster that is as follows - > > <?xml version="1.0" encoding="UTF-8"?> > > > > > <beans xmlns="http://www.springframework.org/schema/beans"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xmlns:util="http://www.springframework.org/schema/util"; > xsi:schemaLocation=" > http://www.springframework.org/schema/beans > http://www.springframework.org/schema/beans/spring-beans.xsd > http://www.springframework.org/schema/util > http://www.springframework.org/schema/util/spring-util.xsd";> > > > > > <bean id="ignite.cfg" > class="org.apache.ignite.configuration.IgniteConfiguration"> > > <property name="gridName" value="GRID_NAME"/> > > > <property name="peerClassLoadingEnabled" value="true"/> > > <property name="clientMode" value="false"/> > > > <property name="gridLogger"> > <bean class="org.apache.ignite.logger.log4j2.Log4J2Logger"> > <constructor-arg type="java.lang.String" > value="config/log4j2.xml"/> > </bean> > </property> > > > <property name="includeEventTypes"> > <list> > <util:constant > static-field="org.apache.ignite.events.EventType.EVT_ > CLIENT_NODE_RECONNECTED"/> > </list> > </property> > > > <property name="cacheConfiguration"> > <list> > > > > > > > > > </list> > </property> > > > > <property name="discoverySpi"> > <bean > class="org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi"> > <property name="ipFinder"> > > > <bean > class="org.apache.ignite.spi.discovery.tcp.ipfinder.vm. > TcpDiscoveryVmIpFinder"> > > <property name="addresses"> > <list> > > <value>HOST_IP1:47500..47509</value> > <value>HOST_IP2:47500..47509</value> > </list> > </property> > </bean> > </property> > </bean> > </property> > > </bean> > </beans> > > > > what am I missing here ? > > thanks for all your help.. > > > > > -- > View this message in context: http://apache-ignite-users. > 70518.x6.nabble.com/heap-dump-on-ignite-servers-tp15679.html > Sent from the Apache Ignite Users mailing list archive at Nabble.com. > -- Best regards, Andrey V. Mashenkov
