Page History

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• name - null name is no longer allowed
• metaCacheName - removed, use metaCacheConfiguration
• dataCacheName - removed, use dataCacheConfiguration
• streamBufferSize - renamed to bufferSize
• maxSpace - removed, maximum memory is now controlled through MemoryPolicy [1]
• initializeDefaultPathModes - removed
• trashPurgeTimeout - removed
• fragmentizerLocWritesRatio - removed 
• dualModePutExecutorService - removed
• dualModePutExecutorServiceShutdown - removed
• dualModeMaxPendingPutsSize - removed

SPI

TcpDiscoverySpi

Heartbeat-related properties have been removed. Now heartbeat frequency is controlled through IgniteConfiguration.metricsUpdateFrequency property.

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• awsCredentials - renamed to awsCredentialsProvider

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SPI has been removed due to new Ignite page memory architecture [1]. The swapping tier can only be used if a swapping file is set via MemoryPolicyConfiguration.swapFilePath property.

General API

Asynchronous programming

IgniteAsyncSupport interface is now deprecated and will be removed in future Apache Ignite releases. Use methods with Async suffix instead. See documentation [4] for more information.

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• mapKeysToNodes - removed, use Affinity.mapKeysToNodes
• mapKeyToNode - removed, use Affinity.mapKeyToNode 

IgniteFuture

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IgniteFuture 

Several methods were removed with no replacement: 

• startTime
• duration

OptimizedMarshaller

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• EVT_CACHE_OBJECT_SWAPPED
• EVT_CACHE_OBJECT_UNSWAPPED
• EVT_SWAP_SPACE_DATA_READ
• EVT_SWAP_SPACE_DATA_STORED
• EVT_SWAP_SPACE_DATA_REMOVED
• EVT_SWAP_SPACE_CLEARED
• EVT_SWAP_SPACE_DATA_EVICTED
• EVT_CACHE_OBJECT_TO_OFFHEAP
• EVT_CACHE_OBJECT_FROM_OFFHEAP

SwapSpaceSpi

SPI has been removed due to new Ignite page memory architecture [1]. The swapping tier can only be used if a swapping file is set via MemoryPolicyConfiguration.swapFilePath property.

Cache API

IgniteCache

• randomEntry - removed
• localPromote - removed due to new Ignite page memory architecture [1]

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This change affects multi-platform Ignite applications where Java and .NET types are mapped to each other. More details: https://apacheignite-net.readme.io/docs/platform-interoperability

Schema import utility - ?

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