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Code Issues Releases Wiki Activity

fix snapshot creation

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This commit is contained in:
mpostma 2021-03-22 16:30:20 +01:00
parent 4847884165
commit a85e7abb0c
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GPG Key ID: CBC8A7C1D7A28C3A
4 changed files with 16 additions and 7 deletions
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2
meilisearch-http/src/helpers/compression.rs
View File

@ -18,10 +18,12 @@ pub fn to_tar_gz(src: &Path, dest: &Path) -> Result<(), Error> {
}
pub fn from_tar_gz(src: impl AsRef<Path>, dest: impl AsRef<Path>) -> Result<(), Error> {
println!("inflating from {:?} to {:?}", src.as_ref(), dest.as_ref());
let f = File::open(&src)?;
let gz = GzDecoder::new(f);
let mut ar = Archive::new(gz);
create_dir_all(&dest)?;
ar.unpack(&dest)?;
println!("here");
Ok(())
}

6
meilisearch-http/src/index_controller/index_actor.rs
View File

@ -423,7 +423,11 @@ impl<S: IndexStore + Sync + Send> IndexActor<S> {
.map_err(|e| IndexError::Error(e.into()))?;
if let Some(index) = self.store.get(uuid).await? {
let index_path = path.join(format!("index-{}", uuid));
let mut index_path = path.join(format!("index-{}", uuid));
create_dir_all(&index_path)
.await
.map_err(|e| IndexError::Error(e.into()))?;
index_path.push("data.mdb");
spawn_blocking(move || -> anyhow::Result<()> {
// Get write txn to wait for ongoing write transaction before snapshot.
let _txn = index.write_txn()?;

6
meilisearch-http/src/index_controller/update_store.rs
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@ -380,13 +380,13 @@ where
}
pub fn snapshot(&self, txn: &mut heed::RwTxn, path: impl AsRef<Path>, uuid: Uuid) -> anyhow::Result<()> {
println!("snapshoting updates in {:?}", path.as_ref());
let update_path = path.as_ref().join("updates");
create_dir_all(&update_path)?;
let snapshot_path = update_path.join(format!("update-{}", uuid));
let mut snapshot_path = update_path.join(format!("update-{}", uuid));
// acquire write lock to prevent further writes during snapshot
println!("acquired lock");
create_dir_all(&snapshot_path)?;
snapshot_path.push("data.mdb");
// create db snapshot
self.env.copy_to_path(&snapshot_path, CompactionOption::Enabled)?;

9
meilisearch-http/src/index_controller/uuid_resolver.rs
View File

@ -253,8 +253,9 @@ impl HeedUuidStore {
}
fn from_snapshot(snapshot: impl AsRef<Path>, path: impl AsRef<Path>) -> anyhow::Result<Self> {
let snapshot = snapshot.as_ref().join("uuids");
compression::from_tar_gz(snapshot, &path)?;
let src = snapshot.as_ref().join("uuids");
let dst = path.as_ref().join("uuids");
compression::from_tar_gz(src, dst)?;
Self::new(path)
}
}
@ -347,7 +348,9 @@ impl UuidStore for HeedUuidStore {
let uuid = Uuid::from_slice(uuid)?;
entries.push(uuid)
}
path.push("uuids");
path.push("index_uuids");
create_dir_all(&path).unwrap();
path.push("data.mdb");
env.copy_to_path(path, CompactionOption::Enabled)?;
Ok(entries)
})