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Improve image_layer_exists docstring

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Bojan Serafimov
2023-01-11 12:54:13 -05:00
parent 2951be5386
commit e392d25828
1 changed files with 3 additions and 1 deletions
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4
pageserver/src/tenant/layer_map.rs
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@@ -207,7 +207,9 @@ where
NUM_ONDISK_LAYERS.dec();
}
/// Is there a newer image layer for given key- and LSN-range?
/// Is there a newer image layer for given key- and LSN-range? Or a set
/// of image layers within the specified lsn range that cover the entire
/// specified key range?
///
/// This is used for garbage collection, to determine if an old layer can
/// be deleted.