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[NSE-473]Optimize ArrowColumnarToRow performance #474
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zhouyuan
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Aug 16, 2021
| arrowSchema, batch.numRows, bufAddrs.toArray, bufSizes.toArray, | ||
| SparkMemoryUtils.contextMemoryPool().getNativeInstanceId) | ||
| val size = estimateBufferSize(batch.numCols(), batch.numRows()) + totalVariableSize.toInt | ||
| val directBuffer = ByteBuffer.allocateDirect(size).asInstanceOf[DirectBuffer] |
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* [NSE-465] Provide option to rely on JVM GC to release Arrow buffers in Java
… to allocate and free memory
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@JkSelf thanks for the continuing efforts! |
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Close #473 |
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What changes were proposed in this pull request?
How was this patch tested?
existing tests