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Streamed writes

Streamed writes

Posted Aug 19, 2007 0:56 UTC (Sun) by i3839 (guest, #31386)
Parent article: Smarter write throttling

What would be good to have is something similar as read ahead, but for writes and opposite: When streaming writing is detected the process should be blocked aggressively so that it has very few dirty pages outstanding, just enough to have near optimal write speed. Such streamed dirty pages could also be moved to the (head of) LRU list to get them quicker out of page cache, after they're written.

Pity I don't have the time to implement it now. :-(

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