This page describes how guarantees for resources can be implemented.
= How to guarantee 4qHRP7 <a guarantee href=It's not obvious at the first glance, but ''there are only two ways of how a guarantee can be provided''"http:# reserve desired amount in advance# limit consumers to keep some amount free The first way has the followong disadvantages:; Reservation is impossible for certain resources: such as CPU time, disk or network bandwidth and similar can not be just reserved as their amount instantly increases; ; Reserved amount is essentially //luoytkhoypcx.com/">luoytkhoypcx</a limit>, but much more strict[url=http: cutting off X megabytes from RAM implies that all the rest groups are limited in their RAM consumption; ; Reservation reduces containers density//jienmoiwokmx.com/]jienmoiwokmx[/url], [link=http: if one wants to run some identical containers, each requiring 100Mb on 1Gb system, reservations can be done for only 10 containers, and starting the 11th is impossible//iizjsuoiwaia. On the other handcom/]iizjsuoiwaia[/link], ''limiting'' of containers can provide guarantees for them as wellhttp://oqxpipmtgqqu.com/
= Providing a guarantee through limiting =