Function shard_id

nodedb/tests/array_cluster_sync.rs:37–40

Minimal coord-to-shard mapping. `shard = (tile_x % num_shards)` where `tile_x = coord_x / tile_extent`. Real routing in Phase I uses `nodedb_cluster::vshard_for_array_coord`.

(coord_x: i64, tile_extent: i64, num_shards: u32)

/// `shard = (tile_x % num_shards)` where `tile_x = coord_x / tile_extent`.
/// Real routing in Phase I uses `nodedb_cluster::vshard_for_array_coord`.
fn shard_id(coord_x: i64, tile_extent: i64, num_shards: u32) -> u32 {
    let tile = coord_x / tile_extent;
    (tile.unsigned_abs() % num_shards as u64) as u32
}

fn put_op(array: &str, coord_x: i64, ms: u64) -> ArrayOp {
    ArrayOp {