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snapshots: serialize version file first (#27192) 

serialize version file first
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apfitzge 2022-08-17 12:57:52 -05:00 committed by GitHub
parent 1eba91af29
commit c1111fa069
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1 changed files with 3 additions and 1 deletions
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4
runtime/src/snapshot_utils.rs
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@ -345,10 +345,12 @@ pub fn archive_snapshot_package(
let do_archive_files = |encoder: &mut dyn Write| -> Result<()> { let do_archive_files = |encoder: &mut dyn Write| -> Result<()> {
let mut archive = tar::Builder::new(encoder); let mut archive = tar::Builder::new(encoder);
// Serialize the version and snapshots files before accounts so we can quickly determine the version
// and other bank fields. This is necessary if we want to interleave unpacking with reconstruction
archive.append_path_with_name(staging_dir.as_ref().join("version"), "version")?;
for dir in ["snapshots", "accounts"] { for dir in ["snapshots", "accounts"] {
archive.append_dir_all(dir, staging_dir.as_ref().join(dir))?; archive.append_dir_all(dir, staging_dir.as_ref().join(dir))?;
} }
archive.append_path_with_name(staging_dir.as_ref().join("version"), "version")?;
archive.into_inner()?; archive.into_inner()?;
Ok(()) Ok(())
}; };