doc: cancellation safety with evict_and_wait

2026-06-03 05:20:38 +00:00 · 2023-08-29 11:06:12 +03:00
parent 44ef584842
commit 4973419a38
1 changed files with 2 additions and 1 deletions
--- a/pageserver/src/tenant/storage_layer/layer.rs
+++ b/pageserver/src/tenant/storage_layer/layer.rs
@@ -166,7 +166,8 @@ impl Layer {
    /// If for a bad luck or blocking of the executor, we miss the actual eviction and the layer is
    /// re-downloaded, [`EvictionError::Downloaded`] is returned.
    ///
-    /// Cancellation safe.
+    /// Technically cancellation safe, but cancelling might shift the viewpoint of what generation
+    /// of download-evict cycle on retry.
    pub(crate) async fn evict_and_wait(
        &self,
        rtc: &RemoteTimelineClient,