Andrey, The default value works for most of the cases: https://github.com/apache/ignite/blob/master/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java#L10634
Evgenii чт, 26 мар. 2020 г. в 04:20, Andrey Davydov <[email protected]>: > Thanks a lot. What size recommended for checkpoint buffer size? > > > > > On Wed, Mar 25, 2020 at 12:14 AM Evgenii Zhuravlev < > [email protected]> wrote: > >> Hi Andrey, >> >> After enabling persistence, Ignite itself will be responsible for data >> eviction from memory to disk and eviction mode or threshold can't be >> changed for it. Parameters pageEvictionMode and evictionThreshold related >> to the complete data eviction from Ignite(not from memory to disk) and more >> designed for in memory cases. >> >> 1. Total memory, that will be used in offheap for this persistence region. >> 2. No, for offheap, for this region, will be used ${config.node.memory.max}. >> Also, don't forget about heap and checkpoint buffer size. >> 3. With enabled pageEvictionMode, data will be evicted from disk too. >> >> Evgenii >> >> вт, 24 мар. 2020 г. в 10:23, Andrey Davydov <[email protected]>: >> >>> Hello, >>> >>> >>> >>> Please help me to setup data region properly. >>> >>> >>> >>> I would like to have region which can store up to ${config.node.total. >>> memory.max} bytes, but only small part of data in RAM. >>> >>> >>> >>> My current config (Ignite 2.7.6): >>> >>> >>> >>> <bean >>> class="org.apache.ignite.configuration.DataRegionConfiguration"> >>> >>> <property name="name" value="My >>> PersistDataRegion"/> >>> >>> <property name="persistenceEnabled" >>> value="true"/> >>> >>> >>> >>> <property name="initialSize" >>> value="${config.node.memory.initial}"/> >>> >>> <property name="maxSize" >>> value="${config.node.memory.max}"/> >>> >>> >>> >>> <property name="pageEvictionMode" >>> value="RANDOM_2_LRU"/> >>> >>> <property name="evictionThreshold" >>> value="${config.node.memory.eviction.threshold}"/> >>> >>> >>> >>> <property name="metricsEnabled" >>> value="true"/> >>> >>> </bean> >>> >>> >>> >>> Please confirm three points: >>> >>> >>> >>> 1. Total size will be ${config.node.memory.max} >>> 2. Total used ram size will be approximately >>> ${config.node.memory.max}*${config.node.memory.eviction.threshold} >>> 3. Data will not be evicted from disk, only from RAM >>> >>> >>> >>> Thanks. >>> >>> Andrey. >>> >>> >>> >>
