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storage controller: rename TenantState to TenantShard (#7329)

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This is a widely used type that had a misleading name: it's not the
total state of a tenant, but rrepresents one shard.
This commit is contained in:
John Spray
2024-04-05 17:29:53 +01:00
committed by GitHub
parent 66fc465484
commit ec01292b55
6 changed files with 116 additions and 116 deletions
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10
storage_controller/src/reconciler.rs
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@@ -18,14 +18,14 @@ use utils::sync::gate::GateGuard;
use crate::compute_hook::{ComputeHook, NotifyError};
use crate::node::Node;
use crate::tenant_state::{IntentState, ObservedState, ObservedStateLocation};
use crate::tenant_shard::{IntentState, ObservedState, ObservedStateLocation};
const DEFAULT_HEATMAP_PERIOD: &str = "60s";
/// Object with the lifetime of the background reconcile task that is created
/// for tenants which have a difference between their intent and observed states.
pub(super) struct Reconciler {
/// See [`crate::tenant_state::TenantState`] for the meanings of these fields: they are a snapshot
/// See [`crate::tenant_shard::TenantShard`] for the meanings of these fields: they are a snapshot
/// of a tenant's state from when we spawned a reconcile task.
pub(super) tenant_shard_id: TenantShardId,
pub(crate) shard: ShardIdentity,
@@ -48,11 +48,11 @@ pub(super) struct Reconciler {
/// To avoid stalling if the cloud control plane is unavailable, we may proceed
/// past failures in [`ComputeHook::notify`], but we _must_ remember that we failed
/// so that we can set [`crate::tenant_state::TenantState::pending_compute_notification`] to ensure a later retry.
/// so that we can set [`crate::tenant_shard::TenantShard::pending_compute_notification`] to ensure a later retry.
pub(crate) compute_notify_failure: bool,
/// A means to abort background reconciliation: it is essential to
/// call this when something changes in the original TenantState that
/// call this when something changes in the original TenantShard that
/// will make this reconciliation impossible or unnecessary, for
/// example when a pageserver node goes offline, or the PlacementPolicy for
/// the tenant is changed.
@@ -66,7 +66,7 @@ pub(super) struct Reconciler {
pub(crate) persistence: Arc<Persistence>,
}
/// This is a snapshot of [`crate::tenant_state::IntentState`], but it does not do any
/// This is a snapshot of [`crate::tenant_shard::IntentState`], but it does not do any
/// reference counting for Scheduler. The IntentState is what the scheduler works with,
/// and the TargetState is just the instruction for a particular Reconciler run.
#[derive(Debug)]