Published at LXer:

Over the last few years, it has become clear that one of the most pressing scalability problems faced by Linux is being driven by solid-state storage devices (SSDs). The rapid increase in performance offered by these devices cannot help but reveal any bottlenecks in the Linux filesystem and block layers. What has been less clear, at times, is what we are going to do about this problem. In his LinuxCon Japan talk, block maintainer Jens Axboe described some of the work that has been done to improve block layer scalability and offered a view of where things might go in the future.

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