loki/docs/sources/community/lids/scheduler-proposal-2-component-diagram.plantuml

skinparam componentStyle rectangle

package Frontend {
    () RoundTripper as QF
}

package Scheduler {
    () FrontendLoop as FL

    component RequestQueue {
        [L3 Queue] as Z1
        [L3 Queue] as Z2
        [L3 Queue] as Z3
        [L3 Queue] as Z4
        [L2 Queue] as Y1
        [L2 Queue] as Y2
        [L2 Queue] as Y3
        [L1 Queue] as X1
        [L1 Queue] as X2
        [L1 Queue] as X3
        [L0 Queue] as R1
        [L0 Queue] as R2
    }

    () QuerierLoop as Q1
    () QuerierLoop as Q2

    Z1 ..>> Y1
    Z2 ..>> Y1
    Z3 ..>> Y2
    Z4 ..>> Y2
    Y1 ..>> X1
    Y2 ..>> X2
    Y3 ..>> X2
    X1 ..>> R1
    X2 ..>> R2
    X3 ..>> R2
}

QF -->> FL
FL -->> Z1
FL -->> Z2
FL -->> Z3
FL -->> Z4
FL -->> Y3
FL -->> X2
FL -->> X3

package Querier {
    [Worker] as W1
    [Worker] as W2
}

R1 -->> Q1
Q1 -->> W1

R2 -->> Q1
R2 -->> Q2
Q2 -->> W2