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MB/s states how many Megabytes per second the drive can handle as throughput. IOPS states how many single operations per seconds can be handled. Sequential access means that for example one big file is read, random access means you're reading single parts of different files. If you look for a drive for database usage, you should look for: An ...


9

To do this you can make usage of tc alone with u32 filters or combined with iptables marking (maybe more straightforward if you don't want to learn the complex filters syntax). I'll in the following post detail the former solution. Simulating your setup As an example, let's consider A, B, C and D running 10 Mbit/s virtual interfaces. You basically want ...


4

Generically, Megabytes/second are a metric for drive throughput, while IOPS represent I/O operations-per-second, a way of detailing the random I/O performance of the drive. Both measurements, as presented by manufacturers are fraught with inaccuracies. Throughput will be limited by SATA/SAS topology, the disk backplane (if present) and the RAID or storage ...



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