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fix(pageserver): l0 check criteria (#8797)

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close https://github.com/neondatabase/neon/issues/8579

## Summary of changes

The `is_l0` check now takes both layer key range and the layer type.
This allows us to have image layers covering the full key range in
btm-most compaction (upcoming PR). However, we still don't allow delta
layers to cover the full key range, and I will make btm-most compaction
to generate delta layers with the key range of the keys existing in the
layer instead of `Key::MIN..Key::HACK_MAX` (upcoming PR).


Signed-off-by: Alex Chi Z <chi@neon.tech>
This commit is contained in:
Alex Chi Z.
2024-08-23 09:42:45 -04:00
committed by GitHub
parent 6a74bcadec
commit bc8cfe1b55
5 changed files with 20 additions and 10 deletions
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2
storage_scrubber/src/checks.rs
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@@ -150,7 +150,7 @@ pub(crate) async fn branch_cleanup_and_check_errors(
if response.is_err() {
// Object is not present.
let is_l0 = LayerMap::is_l0(layer.key_range());
let is_l0 = LayerMap::is_l0(layer.key_range(), layer.is_delta());
let msg = format!(
"index_part.json contains a layer {}{} (shard {}) that is not present in remote storage (layer_is_l0: {})",