Оригинал взят у
scif_yar в Добавочка
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К вот сюда
http://scif-yar.livejournal.com/1481729.html
вписать при случае вопросы про то, что и как реплицируется и кешируется на RODC
отсюда http://scif-yar.livejournal.com/1501625.html
Ну и про разницу 10 и 0+1, и отдельно по одночисленной просьбе про iops, latency и далее.
http://habrahabr.ru/post/154235/
http://habrahabr.ru/post/164325/
latency
What counters in Windows Performance Monitor show the physical disk latency?
“Physical disk performance object -> Avg. Disk sec/Read counter” - Shows the average read latency.
“Physical disk performance object -> Avg. Disk sec/Write counter” - Shows the average write latency.
“Physical disk performance object -> Avg. Disk sec/Transfer counter” - Shows the combined averages for both read and writes.
The “_Total” instance is an average of the latencies for all physical disks in the computer.
Each other instance represents an individual Physical Disk.
http://blogs.technet.com/b/askcore/archive/2012/02/07/measuring-disk-latency-with-windows-performance-monitor-perfmon.aspx
http://scif-yar.livejournal.com/1481729.html
вписать при случае вопросы про то, что и как реплицируется и кешируется на RODC
отсюда http://scif-yar.livejournal.com/1501625.html
Ну и про разницу 10 и 0+1, и отдельно по одночисленной просьбе про iops, latency и далее.
http://habrahabr.ru/post/154235/
http://habrahabr.ru/post/164325/
latency
What counters in Windows Performance Monitor show the physical disk latency?
“Physical disk performance object -> Avg. Disk sec/Read counter” - Shows the average read latency.
“Physical disk performance object -> Avg. Disk sec/Write counter” - Shows the average write latency.
“Physical disk performance object -> Avg. Disk sec/Transfer counter” - Shows the combined averages for both read and writes.
The “_Total” instance is an average of the latencies for all physical disks in the computer.
Each other instance represents an individual Physical Disk.
http://blogs.technet.com/b/askcore/archive/2012/02/07/measuring-disk-latency-with-windows-performance-monitor-perfmon.aspx