Работа диска
- From
- Vsevolod Burov (2:5093/33.16)
- To
- Leizer A. Karabin
- Date
- 2005-05-01T11:35:30Z
- Area
- RU.WINDOWS.2000
Привет Leizer!
01 Май 05 12:01, Leizer A. Karabin -> Vasily Zakharov:
VZ>> Win2K Prof SP4 Eng, при своппинге и друх интенсивных дисковых
VZ>> операциях, винчестер работает ("хрустит") не ровно, а рывками, с
VZ>> небольшими паузами примерно раз в секунду. Иногда несколько секунд
VZ>> качает нормально, но большую часть времени - рывками, что снижает
VZ>> скорость обмена с диском.
LK> Вот это ты зря примыслил. Вероятно, пока
LK> заполняется/опустошается кеш, хрустит меньше, как пора его сбрасывать
LK> - больше.
"Once per second a system thread created by the cache manager - the lazy writer queues one-eighth of the dirty pages in the system cache to be written to disk. If the rate at which dirty pages are being produced is greater than the amount the lazy writer had determined it should write, the lazy writer writes an additional number of dirty pages that it calculates are necessary to match that rate. System worker threads from the systemwide critical worker thread pool actually perform the I/O operations."
Cache Operation
Inside Microsoft Windows 2000. David A. Solomon, Mark Russinovich.
С уважением, Vsevolod
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