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Posted to user@ignite.apache.org by Siarhei Mironchyk <sm...@eisgroup.com> on 2017/08/11 07:51:06 UTC

Re: [MSG Uncertified] Re: Ignite fails to allocate more memory then initially allocated when maxSize property provided in MemoryPolicyConfiguration

Thanks for response. Yes, I tried to reproduce in latest Ignite 2.1 and all
works good.

Sorry, forgot to specify version. If that an issue it is in ver.
2.0.0#20170430-sha1:d4eef3c6
Other system information:
Config URL:
file:/C:/work/apache-ignite/apache-ignite-fabric-2.0.0-bin/examples/config/my-client-example-memory-policies.xml
OS: Windows 7 6.1 amd64
Language runtime: Java Platform API Specification ver. 1.8
VM information: Java(TM) SE Runtime Environment 1.8.0_121-b13 Oracle
Corporation Java HotSpot(TM) 64-Bit Server VM 25.121-b13
VM total memory: 5.3GB



On Thu, Aug 10, 2017 at 8:47 PM, afedotov <al...@gmail.com>
wrote:

> Hi,
>
> Provided configuration works as expected on Ignite version 2.1.
> On my side, in this configuration, I got 3 memory segment allocations.
>
> Have you tried requesting cache.size() after populating the cache?
> Please provide the full configuration files so as I could check them.
>
> Kind regards,
> Alex.
>
> On Thu, Aug 10, 2017 at 6:58 PM, smironchyk [via Apache Ignite Users] <[hidden
> email] <http:///user/SendEmail.jtp?type=node&node=16105&i=0>> wrote:
>
>> Hi! I am trying to configure and test my custom memory policy for the
>> simple 1 client - 1 server node topology.
>>
>> In order to do this I added memory configuration for my server node like
>> this with 1GB_Region_Eviction memory policy configured.
>>
>>         <property name="memoryConfiguration">
>>             <bean class="org.apache.ignite.confi
>> guration.MemoryConfiguration">
>>
>>                 <property name="pageSize" value="#{16 * 1024}"/>
>>
>>                 <property name="memoryPolicies">
>>                     <list>
>>                         <bean class="org.apache.ignite.confi
>> guration.MemoryPolicyConfiguration">
>>                             <property name="name"
>> value="1GB_Region_Eviction"/>
>>                             <property name="metricsEnabled" value="true"
>> />
>>                             <property name="initialSize" value="#{250 *
>> 1024 * 1024}"/>
>>                             <property name="maxSize" value="#{1l * 1024 *
>> 1024 * 1024}"/>
>>                             <property name="pageEvictionMode"
>> value="RANDOM_2_LRU"/>
>>                         </bean>
>>
>>                     </list>
>>                 </property>
>>             </bean>
>>         </property>
>>
>> My client node connects to server and starts putting new entries with
>> size ~ 2MB to cache with interval in 1 sec. See client config below.
>> <bean class="org.apache.ignite.configuration.IgniteConfiguration">
>>         <property name="clientMode" value="true"/>
>>
>>         <property name="peerClassLoadingEnabled" value="true"/>
>>
>>         <property name="cacheConfiguration">
>>             <list>
>>                 <bean class="org.apache.ignite.confi
>> guration.CacheConfiguration">
>>                     <property name="name" value="MyCache1"/>
>>                     <property name="statisticsEnabled" value="true" />
>>                     <property name="rebalanceMode" value="SYNC"/>
>>                     <property name="memoryPolicyName"
>> value="1GB_Region_Eviction"/>
>>
>>                     <property name="writeSynchronizationMode"
>> value="FULL_SYNC"/>
>>                     <property name="backups" value="0"/>
>>                     <property name="eagerTtl" value="false"/>
>>                     <property name="expiryPolicyFactory">
>>                         <bean class="javax.cache.expiry.CreatedExpiryPolicy"
>> factory-method="factoryOf">
>>                             <constructor-arg value="THIRTY_MINUTES"/>
>>                         </bean>
>>                     </property>
>>                 </bean>
>>             </list>
>>         </property>
>> ...
>>     </bean>
>>
>> I've got message in server node log like this
>> [12:34:16,622][INFO][sys-stripe-1-#2%null%][PageMemoryNoStoreImpl]
>> Allocated next memory segment [plcName=1GB_Region_Eviction, chunkSize=268.4
>> MB]
>> And after this no more memory chunks allocated by node. And my maxSize
>> ignored by cache.
>> What am I doing wrong here. Please advise.
>>
>> my-client-example-memory-policies.xml
>> <http://apache-ignite-users.70518.x6.nabble.com/file/n16101/my-client-example-memory-policies.xml>
>> my-example-memory-policies.xml
>> <http://apache-ignite-users.70518.x6.nabble.com/file/n16101/my-example-memory-policies.xml>
>> MyMemoryPoliciesExample.java
>> <http://apache-ignite-users.70518.x6.nabble.com/file/n16101/MyMemoryPoliciesExample.java>
>>
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>
>
> ------------------------------
> View this message in context: Re: Ignite fails to allocate more memory
> then initially allocated when maxSize property provided in
> MemoryPolicyConfiguration
> <http://apache-ignite-users.70518.x6.nabble.com/Ignite-fails-to-allocate-more-memory-then-initially-allocated-when-maxSize-property-provided-in-Memon-tp16101p16105.html>
>
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*Siarhei Mironchyk*
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skype:   mironchik.sergei.olegovich


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