Wget - umi omezeni rychlosti stahovani?
Michal Cihar
cihar na email.cz
Úterý Únor 18 13:04:56 CET 2003
novogear na novogear.cz wrote:
> Potreboval bych nejaky stahovaci program pro Linux
> v textovem rezimu, ktery umi omezit rychlost stahovani.
> Napr. chci stahnout nejaky soubor, ale maximalne 2kb/sec.
> V dokumentaci k Wget jsem nic nenasel. Ma Wget tuto
> funkci? - pripadne doporucte jiny program.
--limit-rate=amount
Limit the download speed to amount bytes per second. Amount may be
expressed in bytes, kilobytes with the k suffix, or megabytes with the m
suffix. For example, --limit-rate=20k will limit the retrieval rate to
20KB/s. This kind of thing is useful when, for whatever reason, you
don't want Wget to consume the entire evailable bandwidth.
Note that Wget implementeds the limiting by sleeping the
appropriate amount of time after a network read that took less time than
specified by the rate. Eventually this strategy causes the TCP transfer
to slow down to approximately the specified rate. However, it takes
some time for this balance to be achieved, so don't be surprised if
limiting the rate doesn't work with very small files. Also, the
"sleeping" strategy will misfire when an extremely small bandwidth, say
less than 1.5KB/s, is specified.
--
Michal Cihar
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