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Issue #17008 -- make snapshot archives to hold on to configurable. (#17158)

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* purge_old_snapshot_archives is changed to take an extra argument 'maximum_snapshots_to_retain' to control the max number of latest snapshot archives to retain. Note the oldest snapshot is always retained as before and is not subjected to this new options.
* The validator and ledger-tool executables are modified with a CLI argument --maximum-snapshots-to-retain. And the options are propagated down the call chains. Their corresponding shell scripts were changed accordingly.
* SnapshotConfig is modified to have an extra field for the maximum_snapshots_to_retain
* Unit tests are developed to cover purge_old_snapshot_archives
This commit is contained in:
Lijun Wang
2021-05-12 10:32:27 -07:00
committed by GitHub
parent e3d722bb42
commit 9c42a89a43
13 changed files with 149 additions and 21 deletions
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3
download-utils/src/lib.rs
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@ -178,8 +178,9 @@ pub fn download_snapshot(
snapshot_output_dir: &Path,
desired_snapshot_hash: (Slot, Hash),
use_progress_bar: bool,
maximum_snapshots_to_retain: usize,
) -> Result<(), String> {
snapshot_utils::purge_old_snapshot_archives(snapshot_output_dir);
snapshot_utils::purge_old_snapshot_archives(snapshot_output_dir, maximum_snapshots_to_retain);
for compression in &[
ArchiveFormat::TarZstd,