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Update pageserver/src/tenant/timeline.rs

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Co-authored-by: Heikki Linnakangas <heikki@neon.tech>
This commit is contained in:
Konstantin Knizhnik
2023-03-21 11:25:07 +02:00
parent 74ab232afb
commit ffdf7df2ea
1 changed files with 5 additions and 4 deletions
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9
pageserver/src/tenant/timeline.rs
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@@ -3056,10 +3056,11 @@ impl Timeline {
image_layers.push(image_layer);
}
}
// All wanted layers are taken in account by time_for_new_image_layer.
// The wanted_image_layers could get updated out of turn and we could
// clear something which hasn't been looked at all. This is fine, because
// next gc round any wanted would get added back in.
// All layers that the GC wanted us to create have now been created.
//
// It's possible that another GC cycle happened while we were compacting, and added
// something new to wanted_image_layers, and we now clear that before processing it.
// That's OK, because the next GC iteration will put it back in.
*self.wanted_image_layers.lock().unwrap() = None;
// Sync the new layer to disk before adding it to the layer map, to make sure