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From Tolga Kavukcu <kavukcu.to...@gmail.com>
Subject Unexpected heap usage by GridDhtPartitionTopologyImpl
Date Wed, 06 Apr 2016 12:02:05 GMT
Hi everyone,

I use partitioned ignite cache for a very dynamic data. Means that there
are many updates,deletes and puts with around 5m~ row.

So to avoid gc pauses i use off-heap mode. But when i analyse heap i see
that count and heap size of
increasing constantly.

Please see attached screenshots taken from mat heap dump.

<bean class="org.apache.ignite.configuration.CacheConfiguration" name="DEFAULT">
    <property name="atomicityMode" value="ATOMIC" />
    <property name="cacheMode" value="PARTITIONED" />
    <property name="memoryMode" value="OFFHEAP_TIERED" />
    <property name="backups" value="1" />
    <property name="affinity">
        <bean class="org.apache.ignite.cache.affinity.fair.FairAffinityFunction">
            <constructor-arg index="0" type="int" value="6"/>
    <property name="writeThrough" value="false" />
    <property name="writeBehindEnabled" value="false" />

Thanks for helping out.

There are totally 1.2 heap used by GridDhtPartitionTopologyImpl, almost
equals to my data size. Do you think that there are problems with


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