Comments (2)
In addition, we ask whether partial writes that can update existing values for store operations are supported.
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Please see the reply inline:
Question 1: Why the user library uses only 1 pair of queue.
1 pair of queue in the user library could meets the bandwith of KV SSD. In user library, the queue pair is only used for asynchronous IO. It only used to records the I/O operations in progress. Most of work is done in separate user threads. Only only work related to the queue pair is insert an entry to the queue or remove an entry from the queue. The NVMe kernel driver for KV SSD used the MQ mechnism because each I/O needs some CPU-comsuming operations before submited to SSD.
Question 2: whether partial writes that can update existing values for store operations are supported.
The partial write is not supported at present. Only partial retrieve is supported.
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