disk

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five minutes rules - the price of one access of disc I/O

This is very interesting topic, they use following formula to compute access interval time: BreakEvenIntervalinSeconds = (PagesPerMBofRAM / AccessesPerSecondPerDisk) × (PricePerDiskDrive / PricePerM[详细]

2023-02-13 03:46 分类：问答
Is there any point implementing my own file cache in a Windows app?

I have a Delphi app that references a datafile of 28-byte records.The file is written sequentially but read randomly.The datafile is split into N physical files which are rolled over at 10 开发者_如何[详细]

2023-02-09 19:01 分类：问答
Powershell and wmi, how to map logical disk/volumes to a hard disk or vice versa?

Get-WmiObject -ComputerName $ip -Credential $credential -Class Win32_logicaldisk This gets me disks as I see them in \"My computer\", eg. C:, D:, E:[详细]

2023-02-07 07:45 分类：问答
Which are the best practices for data intensive reading and writing in a HD?

I\'m developing a C++ application (running in a Linux box) that is very intensive in reading log files and writing derived results in disk. I\'d like to know which are the best practices for optimizin[详细]

2023-02-06 11:20 分类：问答
Is it possible to get special Local Disk information from PHP?

I am running my PHP code on my local computer,So ,I just want to know the PHP has any functions to get the local hard disk information.Such as the disk name , disk space,free space available .etc.[详细]

2023-02-05 15:34 分类：问答
How to loop in Bash until reaching free disk space limit?

I would like to do a set of operations (x y z) as long as I have at least 200MB free space on file-system mounted to /media/z.[详细]

2023-02-05 07:04 分类：问答
Does MC work independently from OS libraries and kernel?

Does the windows version of Midnight Commander (MC) work independently from Windows libraries? I mean does it have it\'s own way of reading data off the disk or is it using the OS\'s abilities?[详细]

2023-02-04 22:38 分类：问答
FileSystemWatcher Work is Done?

I setup a FsWatcher on a local filesystem directory. I only want to know when files are added to the directory so they can be moved to another filesystem. I seem to be able to detect when the first fi[详细]

2023-02-04 10:19 分类：问答
How to develop a Hello World file backed virtual disk kernel extension for Mac OS X?

Any sample code would be highly appreciated. I tried a couple of days googling on this, but found nothing. I hope experts here can shed some lights.[详细]

2023-02-01 22:13 分类：问答
Why is MongoDB data saved when I remove all files from /data/db?

I just started using MonogDB with Rails 3. After doing some benchmarks, I found out that it performs 5-10 times faster than Postgresql/pg.[详细]

2023-02-01 02:56 分类：问答