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Posted to issues@ignite.apache.org by "Ivan Rakov (JIRA)" <ji...@apache.org> on 2017/10/11 11:29:02 UTC

[jira] [Comment Edited] (IGNITE-6030) Allow enabling persistence per-cache

    [ https://issues.apache.org/jira/browse/IGNITE-6030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16200116#comment-16200116 ] 

Ivan Rakov edited comment on IGNITE-6030 at 10/11/17 11:28 AM:
---------------------------------------------------------------

Vladimir, thanks!
I fully agree with points 1, 2, 8, 9, 10, 11, 12, 13, 14 (yes, metricsSubIntervalCount is better), 16.
About 17 - let's fix XML configs under separate ticket. Old configuration is fully compatible, so Ignite should start fine from old XML config. I'll fix configs in examples though.
About javadocs - I'll get rid of "Page Memory" and "Persistent Store" mentions and will try to describe thing in terms of data storage.

About methods for configuring store path - I'd prefer next:
* storagePath - for partition and index files
* walPath - for WAL
* walArchivePath - for WAL archive


was (Author: ivan.glukos):
Vladimir, thanks!
I fully agree with points 1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 (yes, metricsSubIntervalCount is better), 16.
About 17 - let's fix XML configs under separate ticket. Old configuration is fully compatible, so Ignite should start fine from old XML config. I'll fix configs in examples though.
About javadocs - I'll get rid of "Page Memory" and "Persistent Store" mentions and will try to describe thing in terms of data storage.

About methods for configuring store path - I'd prefer next:
* storagePath - for partition and index files
* walPath - for WAL
* walArchivePath - for WAL archive

> 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
> 	getCheckpointingFrequency
> 	getCheckpointingPageBufferSize
> 	getCheckpointingThreads
> 	getCheckpointWriteOrder
> 	getFileIOFactory
> 	getLockWaitTime
> 	getPersistentStorePath
> 	getRateTimeInterval
> 	getSubIntervals
> 	getTlbSize
> 	getWalArchivePath
> 	getWalAutoArchiveAfterInactivity
> 	getWalFlushFrequency
> 	getWalFsyncDelayNanos
> 	getWalHistorySize
> 	getWalMode
> 	getWalRecordIteratorBufferSize
> 	getWalSegments
> 	getWalSegmentSize
> 	getWalStorePath
> 	isAlwaysWriteFullPages
> 	isMetricsEnabled
> 	isWriteThrottlingEnabled
> DataRegionConfiguration
> 	// memory policy configuration
> 	isPersistenceEnabled (default = false)
> 	getEmptyPagesPoolSize
> 	getEvictionThreshold
> 	getInitialSize
> 	getMaxSize
> 	getName
> 	getPageEvictionMode
> 	getRateTimeInterval
> 	getSubIntervals
> 	getSwapFilePath
> 	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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