Hi,
exactly I want to have near cache only on client nodes. I will check your
advice with dynamic cache.
I have two server nodes which keep data and I want to get data from them
via my client nodes.
I am also  curious what had happened with heap on server nodes.

pon., 23 mar 2020 o 23:13 Evgenii Zhuravlev <e.zhuravlev...@gmail.com>
napisał(a):

> Hi,
>
> Near Cache configuration in xml creates near caches for all nodes,
> including server nodes. As far as I understand, you want to have them on
> client side only, right? If so, I'd recommend to create them dynamically:
> https://www.gridgain.com/docs/latest/developers-guide/near-cache#creating-near-cache-dynamically-on-client-nodes
>
> What kind of operations are you running? Are you trying to access data on
> server from another server node? In any case, so many entries in Heap on
> server nodes looks strange.
>
> Evgenii
>
> пн, 23 мар. 2020 г. в 07:08, Dominik Przybysz <alien11...@gmail.com>:
>
>> Hi,
>> I am using Ignite 2.7.6 and I have 2 server nodes with one partitioned
>> cache and configuration:
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <beans xmlns="http://www.springframework.org/schema/beans";
>>        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>>        xsi:schemaLocation="
>>        http://www.springframework.org/schema/beans
>>        http://www.springframework.org/schema/beans/spring-beans.xsd";>
>>
>>     <bean id="grid.cfg"
>> class="org.apache.ignite.configuration.IgniteConfiguration">
>>         <property name="cacheConfiguration">
>>             <bean
>> class="org.apache.ignite.configuration.CacheConfiguration">
>>                 <property name="name" value="cache1"/>
>>                 <property name="cacheMode" value="PARTITIONED"/>
>>                 <property name="statisticsEnabled" value="true"/>
>>                 <property name="backups" value="1"/>
>>             </bean>
>>         </property>
>>
>>         <property name="communicationSpi">
>>             <bean
>> class="org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi">
>>                 <property name="localPort" value="47500"/>
>>             </bean>
>>         </property>
>>
>>         <property name="discoverySpi">
>>             <bean
>> class="org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi">
>>                 <property name="localPort" value="47100"/>
>>                 <property name="localPortRange" value="100"/>
>>                 <property name="ipFinder">
>>                     <bean
>> class="org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder">
>>                         <property name="addresses">
>>                             <list>
>>                                 <value>ignite1:47100..47200</value>
>>                                 <value>ignite2:47100..47200</value>
>>                             </list>
>>                         </property>
>>                     </bean>
>>                 </property>
>>             </bean>
>>         </property>
>>
>>         <property name="clientConnectorConfiguration">
>>             <bean
>> class="org.apache.ignite.configuration.ClientConnectorConfiguration">
>>                 <property name="port" value="10800"/>
>>             </bean>
>>         </property>
>>
>>         <property name="dataStorageConfiguration">
>>             <bean
>> class="org.apache.ignite.configuration.DataStorageConfiguration">
>>                 <property name="defaultDataRegionConfiguration">
>>                     <bean
>> class="org.apache.ignite.configuration.DataRegionConfiguration">
>>                         <property name="persistenceEnabled" value="true"/>
>>                         <property name="metricsEnabled" value="true"/>
>>                     </bean>
>>                 </property>
>>                 <property name="metricsEnabled" value="true"/>
>>             </bean>
>>         </property>
>>
>>         <property name="consistentId" value="{{hostname}}"/>
>>
>>         <property name="systemThreadPoolSize"
>> value="{{ignite_system_thread_pool_size}}"/>
>>         <property name="dataStreamerThreadPoolSize"
>> value="{{ignite_cluster_data_streamer_thread_pool_size}}"/>
>>     </bean>
>> </beans>
>>
>> I loaded 1,5mln entries into cluster via data streamer.
>> I tested this topology without near cache and everything was fine, but
>> when I tried to add near cache to my client nodes then server nodes started
>> to keep data on heap and reads rps dramatically fell down (150k rps to 10k
>> rps).
>>
>> My clients' configuration:
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <beans xmlns="http://www.springframework.org/schema/beans";
>>        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>>        xsi:schemaLocation="
>>        http://www.springframework.org/schema/beans
>>        http://www.springframework.org/schema/beans/spring-beans.xsd";>
>>     <bean id="grid.cfg"
>> class="org.apache.ignite.configuration.IgniteConfiguration">
>>         <property name="clientMode" value="true"/>
>>         <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>ignite1:47100..47200</value>
>>                             <value>ignite2:47100..47200</value>
>>                             </list>
>>                         </property>
>>                     </bean>
>>                 </property>
>>             </bean>
>>         </property>
>>         <property name="dataStreamerThreadPoolSize" value="8"/>
>>         <property name="systemThreadPoolSize" value="8"/>
>>
>>         <property name="cacheConfiguration">
>>             <bean
>> class="org.apache.ignite.configuration.CacheConfiguration">
>>                 <!-- Cache configuration has to be the same as in server
>> config -->
>>                 <property name="name" value="cache1"/>
>>                 <property name="cacheMode" value="PARTITIONED"/>
>>                 <property name="statisticsEnabled" value="true"/>
>>                 <property name="backups" value="1"/>
>>
>>                 <property name="nearConfiguration">
>>                     <bean
>> class="org.apache.ignite.configuration.NearCacheConfiguration">
>>                         <property name="nearEvictionPolicyFactory">
>>                             <bean
>> class="org.apache.ignite.cache.eviction.lru.LruEvictionPolicyFactory">
>>                                 <property name="maxSize" value="100000"/>
>>                             </bean>
>>                         </property>
>>                     </bean>
>>                 </property>
>>             </bean>
>>         </property>
>>     </bean>
>> </beans>
>>
>> On visor i see:
>>
>> Nodes for: cache1(@c0)
>>
>> +=================================================================================================================================+
>> |       Node ID8(@), IP       | CPUs | Heap Used | CPU Load |   Up Time
>>  |        Size (Primary / Backup)        | Hi/Mi/Rd/Wr  |
>>
>> +=================================================================================================================================+
>> | BCA8F378(@n2), 10.100.0.239 | 4    | 32.32 %   | 2.17 %   |
>> 00:38:33.071 | Total: 55204 (55204 / 0)              | Hi: 1671212  |
>> |                             |      |           |          |
>>  |   Heap: 55204 (55204 / <n/a>)         | Mi: 35034768 |
>> |                             |      |           |          |
>>  |   Off-Heap: 0 (0 / 0)                 | Rd: 36705980 |
>> |                             |      |           |          |
>>  |   Off-Heap Memory: 0                  | Wr: 0        |
>>
>> +-----------------------------+------+-----------+----------+--------------+---------------------------------------+--------------+
>> | 905F83EE(@n3), 10.100.0.230 | 4    | 52.56 %   | 6.67 %   |
>> 00:38:33.401 | Total: 54051 (54051 / 0)              | Hi: 1766495  |
>> |                             |      |           |          |
>>  |   Heap: 54051 (54051 / <n/a>)         | Mi: 34283753 |
>> |                             |      |           |          |
>>  |   Off-Heap: 0 (0 / 0)                 | Rd: 36050248 |
>> |                             |      |           |          |
>>  |   Off-Heap Memory: 0                  | Wr: 0        |
>>
>> +-----------------------------+------+-----------+----------+--------------+---------------------------------------+--------------+
>> | 793E1BC9(@n1), 10.100.0.206 | 4    | 99.33 %   | 38.43 %  |
>> 00:51:11.877 | Total: 2999836 (2230060 / 769776)     | Hi: 17323596 |
>> |                             |      |           |          |
>>  |   Heap: 1499836 (1499836 / <n/a>)     | Mi: 0        |
>> |                             |      |           |          |
>>  |   Off-Heap: 1500000 (730224 / 769776) | Rd: 17323596 |
>> |                             |      |           |          |
>>  |   Off-Heap Memory: <n/a>              | Wr: 0        |
>>
>> +-----------------------------+------+-----------+----------+--------------+---------------------------------------+--------------+
>> | 0147FB02(@n0), 10.100.0.205 | 4    | 96.48 %   | 40.33 %  |
>> 00:51:11.820 | Total: 2999814 (2269590 / 730224)     | Hi: 17335702 |
>> |                             |      |           |          |
>>  |   Heap: 1499814 (1499814 / <n/a>)     | Mi: 0        |
>> |                             |      |           |          |
>>  |   Off-Heap: 1500000 (769776 / 730224) | Rd: 17335702 |
>> |                             |      |           |          |
>>  |   Off-Heap Memory: <n/a>              | Wr: 0        |
>>
>> +---------------------------------------------------------------------------------------------------------------------------------+
>>
>> 1st and 2nd entry is client node, 3rd and 4th is server node.
>>
>> What is wrong with my near cache configuration?
>> Do I have to mirror all cache configuration on server node into client
>> nodes configuration? (for example, when I miss backup parameter I received
>> exception "Affinity key backups mismatch")
>>
>> --
>> Pozdrawiam / Regards,
>> Dominik Przybysz
>>
>

-- 
Pozdrawiam / Regards,
Dominik Przybysz

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