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faster vecmap appends

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This commit is contained in:
John Spray
2024-07-20 20:27:31 +01:00
parent 6a267cf9e3
commit 2afcc58ce0
1 changed files with 2 additions and 3 deletions
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5
pageserver/src/tenant/storage_layer/inmemory_layer.rs
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@@ -534,10 +534,9 @@ impl InMemoryLayer {
for (lsn, key, _buf, off) in values.into_iter() {
let vec_map = inner.index.entry(key).or_default();
let old = vec_map.append_or_update_last(lsn, off).unwrap().0;
debug_assert!(old.is_none());
// TODO: the vec map append has some kind of instrument() in it that probably isn't super fast
// Use fast version of append, since we know our LSNs are already sorted
vec_map.append2(lsn, off);
}
let size = inner.file.len();