Add more logs to `purge_old_snapshot_archives` (#23531)
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@ -1248,7 +1248,7 @@ pub fn purge_old_snapshot_archives<P>(
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P: AsRef<Path>,
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{
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info!(
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"Purging old snapshot archives in {}, retaining {} full snapshots and {} incremental snapshots",
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"Purging old snapshot archives in {}, retaining up to {} full snapshots and up to {} incremental snapshots",
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snapshot_archives_dir.as_ref().display(),
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maximum_full_snapshot_archives_to_retain,
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maximum_incremental_snapshot_archives_to_retain
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@ -1257,6 +1257,12 @@ pub fn purge_old_snapshot_archives<P>(
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snapshot_archives.sort_unstable();
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snapshot_archives.reverse();
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let max_snaps = max(1, maximum_full_snapshot_archives_to_retain); // Always keep at least one snapshot
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trace!(
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"There are {} full snapshot archives, purging {} of them",
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snapshot_archives.len(),
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snapshot_archives.len().saturating_sub(max_snaps)
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);
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for old_archive in snapshot_archives.into_iter().skip(max_snaps) {
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trace!(
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"Purging old full snapshot archive: {}",
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@ -1296,8 +1302,20 @@ pub fn purge_old_snapshot_archives<P>(
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}
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});
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incremental_snapshot_archives_with_same_base_slot.sort_unstable();
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if !incremental_snapshot_archives_with_different_base_slot.is_empty() {
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trace!(
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"Purging {} incremental snapshot archives with a different base slot than the highest full snapshot slot",
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incremental_snapshot_archives_with_different_base_slot.len()
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);
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}
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trace!(
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"There are {} incremental snapshots with same base slot as the highest full snapshot slot, purging {} of them",
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incremental_snapshot_archives_with_same_base_slot.len(),
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incremental_snapshot_archives_with_same_base_slot.len()
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.saturating_sub(maximum_incremental_snapshot_archives_to_retain)
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);
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incremental_snapshot_archives_with_same_base_slot.sort_unstable();
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incremental_snapshot_archives_with_different_base_slot
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.iter()
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.chain(
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