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> In 2.4 reaching 512k DMA units that helped a lot, but going past 512k > didn't help in my measurements. 1M maybe these days is needed (as Jens > suggested) but >1M still sounds overkill and I completely agree with > Jens about that. at least 1Mb... more than 1mb (I doubt 32mb is really necessarily useful) is nice for flushing contiguous journal data to disk. between 1-8mb in one io. at least 1mb is good when you have to process massive amounts of data, just read huge chunks of files, we tend to do 1mb. anyway, as you said, at some point it's a bit overkill . I thinkg 1-8mb makes sense. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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