![]() | |||||||||||||
Messages in this thread |
Hi! > >What about latency? ... > merged transfer will top out at 8MB. You don't see that unless > you're on a totally quiet machine with tons of free, contiguous > pages. So in practice it winds up being much smaller, the more > loaded the system gets (and pagecache gets fragmented). > > Latency definitely changes for the default case, but remember that a > lot of that is writeback, or streaming writes. Latency-sensitive > applications already know how to send small or no-wait I/Os, because Well, waiting second for read because 32MB write is being done will not be fun... -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms - 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/ | ||||||||||||
| Last update: 2005-03-22 13:02 [from the cache] ©2003-2008 | |||||||||||||