FUJITA Tomonori wrote:
The big problem of stgt iSER is disk I/Os (move data between disk and page cache). We need a proper asynchronous I/O mechanism, however, Linux doesn't provide such and we use a workaround, which incurs large latency. I guess, we cannot solve this until syslets is merged into mainline.
Hmm, SCST also doesn't have ability to use asynchronous I/O, but that doesn't prevent it from showing good performance.
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