Originariamente inviato da themr87
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I/O schedulers:
Deadline:
Set to minimize starving of requests. In other words, it is designed to handle system requests as quickly as possible.
Noop:
It handles requests in a basic 'first in, first out' order. So any requests that come in, will also be the first to be executed.
SIO:
A mix between Noop and Deadline. Basic process/request merging. One of the most reliable schedulers out there.
BFQ:
Gives each request a time budget. If the request is not met by the time it is given, the request is skipped. Smarter than the CFQ governor.
CFQ:
'Completely Fair Queuing' scheduler. Scales its requests in an effort to insure smooth task handling. Attempts to give each request equal I/O bandwidth. Typically, lag happens with this scheduler due to the effort of competing tasks on the disk because it tries to give equal bandwidth amongst all requests.
FIOPS:
Relatively new. No I/O seek time, ( potentially better for performance), balanced read/write times, one of the smarter I/O schedulers
ROW:
Read Over Write. It will cause better read times for pictures/media, but when transferring data/installing apps, significant reduction of performance will be present.
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