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WIP experiment: avoid upgrading

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This commit is contained in:
Christian Schwarz
2025-01-14 12:14:31 +01:00
parent c868ceded0
commit f6eb6fff9f
1 changed files with 2 additions and 9 deletions
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11
pageserver/src/tenant/timeline/handle.rs
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@@ -292,17 +292,10 @@ impl<T: Types> Cache<T> {
) -> RoutingResult<T> {
loop {
// terminates because when every iteration we remove an element from the map
let Some((first_key, first_handle)) = self.map.iter().next() else {
let Some((first_key, WeakHandle { timeline, inner })) = self.map.iter().next() else {
return RoutingResult::NeedConsultTenantManager;
};
let Ok(first_handle) = first_handle.upgrade().await else {
// TODO: dedup with get_impl()
trace!("handle cache stale");
let first_key_owned = *first_key;
self.map.remove(&first_key_owned).unwrap();
continue;
};
let first_handle = timeline;
let first_handle_shard_identity = first_handle.get_shard_identity();
let make_shard_index = |shard_num: ShardNumber| ShardIndex {
shard_number: shard_num,