Trait

org.apache.spark.memory

StoreUnifiedManager

Related Doc: package memory

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trait StoreUnifiedManager extends AnyRef

Base trait for different memory manager used by SnappyData in different modes

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Abstract Value Members

  1. abstract def acquireStorageMemoryForObject(objectName: String, blockId: BlockId, numBytes: Long, memoryMode: MemoryMode, buffer: UMMMemoryTracker, shouldEvict: Boolean): Boolean

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  2. abstract def bootManager: Boolean

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  3. abstract def changeOffHeapOwnerToStorage(buffer: ByteBuffer, allowNonAllocator: Boolean): Unit

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    Change the off-heap owner to mark it being used for storage.

    Change the off-heap owner to mark it being used for storage. Passing the owner as null allows moving ByteBuffers not allocated by BufferAllocators to be also changed and freshly accounted.

  4. abstract def clear(): Unit

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    Clears the internal map

  5. abstract def close(): Unit

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    Closes the memory manager.

  6. abstract def dropStorageMemoryForObject(objectName: String, memoryMode: MemoryMode, ignoreNumBytes: Long): Long

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  7. abstract def getExecutionPoolSize(memoryMode: MemoryMode): Long

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  8. abstract def getExecutionPoolUsedMemory(memoryMode: MemoryMode): Long

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  9. abstract def getOffHeapMemory(objectName: String): Long

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  10. abstract def getStoragePoolMemoryUsed(memoryMode: MemoryMode): Long

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  11. abstract def getStoragePoolSize(memoryMode: MemoryMode): Long

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  12. abstract def hasOffHeap: Boolean

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  13. abstract def init(): Unit

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    Initializes the memoryManager

  14. abstract def initMemoryStats(stats: MemoryManagerStats): Unit

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  15. abstract def logStats(): Unit

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  16. abstract def releaseStorageMemoryForObject(objectName: String, numBytes: Long, memoryMode: MemoryMode): Unit

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  17. abstract def shouldStopRecovery(): Boolean

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