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https://issues.apache.org/jira/browse/IGNITE-6030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209691#comment-16209691
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Denis Magda commented on IGNITE-6030:
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[~ivan.glukos], please consider the following before closing the ticket:
* Update all the persistence and memory pools related examples to the new
configuration format. Run a compilation and make sure there is no single
example that prints out the class deprecated warning. For instance, these two
have to be adopted - {{PersistentStoreExample}}, {{MemoryPoliciesExample}}.
The latter should be renamed to {{DataRegionsConfigurationExample}}.
* Make sure that every property gets sufficient javadoc for our users to
understand.
* Reassign the ticket on me for documentation updates on readme.io side. I'll
rely on the javadoc provided by you.
> Allow enabling persistence per-cache
> ------------------------------------
>
> Key: IGNITE-6030
> URL: https://issues.apache.org/jira/browse/IGNITE-6030
> Project: Ignite
> Issue Type: New Feature
> Components: persistence
> Affects Versions: 2.1
> Reporter: Alexey Goncharuk
> Assignee: Ivan Rakov
> Priority: Critical
> Labels: important
> Fix For: 2.3
>
>
> Also, when cache native persistence is disabled, we need to make sure that
> different {{CacheStores}} can be configured on per-cache basis.
> New storage configuration design draft:
> {noformat}
> DataStorageConfiguration
> // memory configuration
> getConcurrencyLevel
> getDefaultDataRegionConfiguration
> getDataRegionConfigurations
> getPageSize
> getSystemRegionInitialSize
> getSystemRegionMaxSize
> // persistence coniguration
> getCheckpointFrequency
> getCheckpointPageBufferSize
> getCheckpointThreads
> getCheckpointWriteOrder
> getFileIOFactory
> getLockWaitTime
> getStoragePath // storage for index and partition files
> getMetricsRateTimeInterval
> getMetricsSubIntervalCount
> getWalThreadLocalBufferSize
> getWalArchivePath // archived WAL segments
> getWalAutoArchiveAfterInactivity
> getWalFlushFrequency
> getWalFsyncDelayNanos
> getWalHistorySize
> getWalMode
> getWalRecordIteratorBufferSize
> getWalSegments
> getWalSegmentSize
> getWalPath // working set of WAL segments
> isAlwaysWriteFullPages
> isMetricsEnabled
> isWriteThrottlingEnabled
> DataRegionConfiguration
> // memory policy configuration
> isPersistenceEnabled (default = false)
> getEmptyPagesPoolSize
> getEvictionThreshold
> getInitialSize
> getMaxSize
> getName
> getPageEvictionMode
> getMetricsRateTimeInterval
> getMetricsSubIntervalCount
> getSwapPath
> isMetricsEnabled
> {noformat}
> New metrics and MBean classes:
> {noformat}
> PersistenceMetrics -> DataStorageMetrics
> PersistenceMetricsMXBean -> DataStorageMetricsMXBean
> MemoryMetrics -> DataRegionMetrics
> MemoryMetricsMXBean -> DataRegionMetricsMXBean
> {noformat}
> Please note that old versions of all classes and methods are retained in
> codebase as deprecated.
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