version ddn-next-1

publication "publication:diagram"
    with
        id "publication:diagram"
        title "Synthetic shards and replicas / placement"
        targets
            item
                target
                    id "diagram"
                kind "view"
        format "svg"
        page
            size "content"
            fit "none"
            minimum_text 10.666666666666666


element "ddn.fieldguide.shards::cluster.zone_a" as "zone"
    with
        id "ddn.fieldguide.shards::cluster.zone_a"
        title "Zone A"
        description "Synthetic failure zone A."


element "ddn.fieldguide.shards::cluster.zone_b" as "zone"
    with
        id "ddn.fieldguide.shards::cluster.zone_b"
        title "Zone B"
        description "Synthetic failure zone B."


element "ddn.fieldguide.shards::cluster.zone_c" as "zone"
    with
        id "ddn.fieldguide.shards::cluster.zone_c"
        title "Zone C"
        description "Synthetic failure zone C."


element "ddn.fieldguide.shards::cluster.shard1" as "shard"
    with
        id "ddn.fieldguide.shards::cluster.shard1"
        title "Shard 1 (hash 0-33%)"
        description "Synthetic first key range; leader in zone A."


element "ddn.fieldguide.shards::cluster.shard2" as "shard"
    with
        id "ddn.fieldguide.shards::cluster.shard2"
        title "Shard 2 (hash 34-66%)"
        description "Synthetic second key range; leader in zone B."


element "ddn.fieldguide.shards::cluster.shard3" as "shard"
    with
        id "ddn.fieldguide.shards::cluster.shard3"
        title "Shard 3 (hash 67-100%)"
        description "Synthetic third key range; leader in zone C."


element "ddn.fieldguide.shards::cluster.router" as "application"
    with
        id "ddn.fieldguide.shards::cluster.router"
        title "Query router"
        description "Synthetic router: maps key to shard, reads from replicas."


relation "ddn.fieldguide.shards::cluster.lead1" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.lead1"
        title "leads in"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard1"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_a"


relation "ddn.fieldguide.shards::cluster.lead2" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.lead2"
        title "leads in"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard2"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_b"


relation "ddn.fieldguide.shards::cluster.lead3" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.lead3"
        title "leads in"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard3"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_c"


relation "ddn.fieldguide.shards::cluster.repl1b" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.repl1b"
        title "replica"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard1"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_b"


relation "ddn.fieldguide.shards::cluster.repl1c" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.repl1c"
        title "replica"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard1"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_c"


relation "ddn.fieldguide.shards::cluster.repl2a" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.repl2a"
        title "replica"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard2"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_a"


relation "ddn.fieldguide.shards::cluster.repl2c" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.repl2c"
        title "replica"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard2"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_c"


relation "ddn.fieldguide.shards::cluster.repl3a" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.repl3a"
        title "replica"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard3"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_a"


relation "ddn.fieldguide.shards::cluster.repl3b" as "assoc"
    with
        id "ddn.fieldguide.shards::cluster.repl3b"
        title "replica"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard3"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.zone_b"


relation "ddn.fieldguide.shards::cluster.route1" as "flow"
    with
        id "ddn.fieldguide.shards::cluster.route1"
        title "routes"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.router"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard1"


relation "ddn.fieldguide.shards::cluster.route2" as "flow"
    with
        id "ddn.fieldguide.shards::cluster.route2"
        title "routes"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.router"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard2"


relation "ddn.fieldguide.shards::cluster.route3" as "flow"
    with
        id "ddn.fieldguide.shards::cluster.route3"
        title "routes"
        endpoints
            item
                definition
                    id "ddn.fieldguide.shards::cluster.router"
            item
                definition
                    id "ddn.fieldguide.shards::cluster.shard3"


view "diagram" as "ddn@1"
    with
        id "diagram"
        title "Synthetic shards and replicas / placement"
        selection
            include
                item
                    id "ddn.fieldguide.shards::cluster.zone_a"
                item
                    id "ddn.fieldguide.shards::cluster.zone_b"
                item
                    id "ddn.fieldguide.shards::cluster.zone_c"
                item
                    id "ddn.fieldguide.shards::cluster.shard1"
                item
                    id "ddn.fieldguide.shards::cluster.shard2"
                item
                    id "ddn.fieldguide.shards::cluster.shard3"
                item
                    id "ddn.fieldguide.shards::cluster.router"
                item
                    id "ddn.fieldguide.shards::cluster.lead1"
                item
                    id "ddn.fieldguide.shards::cluster.lead2"
                item
                    id "ddn.fieldguide.shards::cluster.lead3"
                item
                    id "ddn.fieldguide.shards::cluster.repl1b"
                item
                    id "ddn.fieldguide.shards::cluster.repl1c"
                item
                    id "ddn.fieldguide.shards::cluster.repl2a"
                item
                    id "ddn.fieldguide.shards::cluster.repl2c"
                item
                    id "ddn.fieldguide.shards::cluster.repl3a"
                item
                    id "ddn.fieldguide.shards::cluster.repl3b"
                item
                    id "ddn.fieldguide.shards::cluster.route1"
                item
                    id "ddn.fieldguide.shards::cluster.route2"
                item
                    id "ddn.fieldguide.shards::cluster.route3"
        layout
            algorithm "layered"
            gap 112
            row_gap 112
        background
            color "#f6f8fc"
        publication
            id "publication:diagram"

    use "ddn.fieldguide.shards::cluster.zone_a" named "appearance:diagram:ddn.fieldguide.shards::cluster.zone_a"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.zone_a"
            body "notes"

    use "ddn.fieldguide.shards::cluster.zone_b" named "appearance:diagram:ddn.fieldguide.shards::cluster.zone_b"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.zone_b"
            body "notes"

    use "ddn.fieldguide.shards::cluster.zone_c" named "appearance:diagram:ddn.fieldguide.shards::cluster.zone_c"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.zone_c"
            body "notes"

    use "ddn.fieldguide.shards::cluster.shard1" named "appearance:diagram:ddn.fieldguide.shards::cluster.shard1"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.shard1"
            body "notes"

    use "ddn.fieldguide.shards::cluster.shard2" named "appearance:diagram:ddn.fieldguide.shards::cluster.shard2"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.shard2"
            body "notes"

    use "ddn.fieldguide.shards::cluster.shard3" named "appearance:diagram:ddn.fieldguide.shards::cluster.shard3"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.shard3"
            body "notes"

    use "ddn.fieldguide.shards::cluster.router" named "appearance:diagram:ddn.fieldguide.shards::cluster.router"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.router"
            body "notes"

    use "ddn.fieldguide.shards::cluster.lead1" named "appearance:diagram:ddn.fieldguide.shards::cluster.lead1"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.lead1"

    use "ddn.fieldguide.shards::cluster.lead2" named "appearance:diagram:ddn.fieldguide.shards::cluster.lead2"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.lead2"

    use "ddn.fieldguide.shards::cluster.lead3" named "appearance:diagram:ddn.fieldguide.shards::cluster.lead3"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.lead3"

    use "ddn.fieldguide.shards::cluster.repl1b" named "appearance:diagram:ddn.fieldguide.shards::cluster.repl1b"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.repl1b"

    use "ddn.fieldguide.shards::cluster.repl1c" named "appearance:diagram:ddn.fieldguide.shards::cluster.repl1c"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.repl1c"

    use "ddn.fieldguide.shards::cluster.repl2a" named "appearance:diagram:ddn.fieldguide.shards::cluster.repl2a"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.repl2a"

    use "ddn.fieldguide.shards::cluster.repl2c" named "appearance:diagram:ddn.fieldguide.shards::cluster.repl2c"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.repl2c"

    use "ddn.fieldguide.shards::cluster.repl3a" named "appearance:diagram:ddn.fieldguide.shards::cluster.repl3a"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.repl3a"

    use "ddn.fieldguide.shards::cluster.repl3b" named "appearance:diagram:ddn.fieldguide.shards::cluster.repl3b"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.repl3b"

    use "ddn.fieldguide.shards::cluster.route1" named "appearance:diagram:ddn.fieldguide.shards::cluster.route1"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.route1"

    use "ddn.fieldguide.shards::cluster.route2" named "appearance:diagram:ddn.fieldguide.shards::cluster.route2"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.route2"

    use "ddn.fieldguide.shards::cluster.route3" named "appearance:diagram:ddn.fieldguide.shards::cluster.route3"
        with
            id "appearance:diagram:ddn.fieldguide.shards::cluster.route3"