Written byMichael Larabel inBSD on 13 February 2020 at 03:52 AM EST.Add A Comment
It's been a while since last having any new magical optimizations to talk about by DragonFlyBSD lead developer Matthew Dillon, but on Wednesday he landed some significant temporary file-system "TMPFS" optimizations for better throughput including with swap.
Of several interesting commits merged tonight, the improved write clustering is a big one. In particular, " Reduces low-memory tmpfs paging I/O overheads by 4x and generally increases paging throughput to SSD-based swap by 2x-4x. Tmpfs is now able to issue a lot more 64KB I/Os when under memory pressure. "
There's also a new tunable in the VM space as well as part of his commits on Wednesday night. This follows a lot of recent work on dsynth, improved page-out daemon pipelining, and other routine work.
This work is building up towards the eventual DragonFlyBSD 5.8 while those wanting to try the latest improvements right away can find their daily snapshots .
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It's been said that data is the new "dirt"—the raw material from which and on which you build the structures of the modern world. And like dirt, data can seem like a limitless, undifferentiated mass. ......一起来看看 《Machine Learning in Action》 这本书的介绍吧!
