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Code Issues Releases Wiki Activity

implement new dump v2

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This commit is contained in:
mpostma 2021-09-29 15:41:25 +02:00 committed by Tamo
parent 66f39aaa92
commit ee372a7b30
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GPG Key ID: 20CD8020AFA88D69
13 changed files with 501 additions and 81 deletions
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5
meilisearch-lib/src/compression.rs
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@ -1,9 +1,8 @@
use std::fs::{File, create_dir_all};
use std::fs::{create_dir_all, File};
use std::io::Write;
use std::path::Path;
use flate2::read::GzDecoder;
use flate2::{Compression, write::GzEncoder};
use flate2::{read::GzDecoder, write::GzEncoder, Compression};
use tar::{Archive, Builder};
pub fn to_tar_gz(src: impl AsRef<Path>, dest: impl AsRef<Path>) -> anyhow::Result<()> {

2
meilisearch-lib/src/document_formats.rs
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@ -312,7 +312,7 @@ mod test {
let mut csv_iter = CsvDocumentIter::from_reader(documents.as_bytes()).unwrap();
assert!(dbg!(csv_iter.next().unwrap()).is_err());
assert!(csv_iter.next().unwrap().is_err());
}
#[test]

40
meilisearch-lib/src/index/dump.rs
View File

@ -7,12 +7,10 @@ use heed::{EnvOpenOptions, RoTxn};
use indexmap::IndexMap;
use milli::documents::DocumentBatchReader;
use serde::{Deserialize, Serialize};
use serde_json::Value;
use crate::document_formats::read_ndjson;
use crate::index::update_handler::UpdateHandler;
use crate::index::updates::apply_settings_to_builder;
use crate::index_controller::{asc_ranking_rule, desc_ranking_rule};
use super::error::Result;
use super::{Index, Settings, Unchecked};
@ -100,23 +98,11 @@ impl Index {
create_dir_all(&dst_dir_path)?;
let meta_path = src.as_ref().join(META_FILE_NAME);
let mut meta_file = File::open(meta_path)?;
// We first deserialize the dump meta into a serde_json::Value and change
// the custom ranking rules settings from the old format to the new format.
let mut meta: Value = serde_json::from_reader(&mut meta_file)?;
if let Some(ranking_rules) = meta.pointer_mut("/settings/rankingRules") {
convert_custom_ranking_rules(ranking_rules);
}
// Then we serialize it back into a vec to deserialize it
// into a `DumpMeta` struct with the newly patched `rankingRules` format.
let patched_meta = serde_json::to_vec(&meta)?;
let meta_file = File::open(meta_path)?;
let DumpMeta {
settings,
primary_key,
} = serde_json::from_slice(&patched_meta)?;
} = serde_json::from_reader(meta_file)?;
let settings = settings.check();
let mut options = EnvOpenOptions::new();
@ -164,25 +150,3 @@ impl Index {
Ok(())
}
}
/// Converts the ranking rules from the format `asc(_)`, `desc(_)` to the format `_:asc`, `_:desc`.
///
/// This is done for compatibility reasons, and to avoid a new dump version,
/// since the new syntax was introduced soon after the new dump version.
fn convert_custom_ranking_rules(ranking_rules: &mut Value) {
*ranking_rules = match ranking_rules.take() {
Value::Array(values) => values
.into_iter()
.filter_map(|value| match value {
Value::String(s) if s.starts_with("asc") => asc_ranking_rule(&s)
.map(|f| format!("{}:asc", f))
.map(Value::String),
Value::String(s) if s.starts_with("desc") => desc_ranking_rule(&s)
.map(|f| format!("{}:desc", f))
.map(Value::String),
otherwise => Some(otherwise),
})
.collect(),
otherwise => otherwise,
}
}

16
meilisearch-lib/src/index_controller/dump_actor/loaders/mod.rs
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@ -1,3 +1,19 @@
pub mod v1;
pub mod v2;
pub mod v3;
mod compat {
/// Parses the v1 version of the Asc ranking rules `asc(price)`and returns the field name.
pub fn asc_ranking_rule(text: &str) -> Option<&str> {
text.split_once("asc(")
.and_then(|(_, tail)| tail.rsplit_once(")"))
.map(|(field, _)| field)
}
/// Parses the v1 version of the Desc ranking rules `desc(price)`and returns the field name.
pub fn desc_ranking_rule(text: &str) -> Option<&str> {
text.split_once("desc(")
.and_then(|(_, tail)| tail.rsplit_once(")"))
.map(|(field, _)| field)
}
}

16
meilisearch-lib/src/index_controller/dump_actor/loaders/v1.rs
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@ -5,7 +5,7 @@ use std::marker::PhantomData;
use std::path::Path;
use heed::EnvOpenOptions;
use log::{error, info, warn};
use log::{error, warn};
use milli::documents::DocumentBatchReader;
use milli::update::Setting;
use serde::{Deserialize, Deserializer, Serialize};
@ -14,14 +14,15 @@ use uuid::Uuid;
use crate::document_formats::read_ndjson;
use crate::index::apply_settings_to_builder;
use crate::index::update_handler::UpdateHandler;
use crate::index_controller::dump_actor::loaders::compat::{asc_ranking_rule, desc_ranking_rule};
use crate::index_controller::index_resolver::uuid_store::HeedUuidStore;
use crate::index_controller::{self, asc_ranking_rule, desc_ranking_rule, IndexMetadata};
use crate::index_controller::{self, IndexMetadata};
use crate::{index::Unchecked, options::IndexerOpts};
#[derive(Serialize, Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct MetadataV1 {
db_version: String,
pub db_version: String,
indexes: Vec<IndexMetadata>,
}
@ -33,15 +34,10 @@ impl MetadataV1 {
size: usize,
indexer_options: &IndexerOpts,
) -> anyhow::Result<()> {
info!(
"Loading dump, dump database version: {}, dump version: V1",
self.db_version
);
let uuid_store = HeedUuidStore::new(&dst)?;
for index in dbg!(self.indexes) {
for index in self.indexes {
let uuid = Uuid::new_v4();
uuid_store.insert(dbg!(index.uid.clone()), dbg!(uuid))?;
uuid_store.insert(index.uid.clone(), uuid)?;
let src = src.as_ref().join(index.uid);
load_index(
&src,

393
meilisearch-lib/src/index_controller/dump_actor/loaders/v2.rs Normal file
View File

@ -0,0 +1,393 @@
use std::fs::{File, OpenOptions};
use std::io::Write;
use std::path::{Path, PathBuf};
use serde_json::{Deserializer, Value};
use tempfile::NamedTempFile;
use uuid::Uuid;
use crate::index_controller::dump_actor::loaders::compat::{asc_ranking_rule, desc_ranking_rule};
use crate::index_controller::dump_actor::Metadata;
use crate::index_controller::updates::status::{
Aborted, Enqueued, Failed, Processed, Processing, UpdateResult, UpdateStatus,
};
use crate::index_controller::updates::store::dump::UpdateEntry;
use crate::index_controller::updates::store::Update;
use crate::options::IndexerOpts;
use super::v3;
/// The dump v2 reads the dump folder and patches all the needed file to make it compatible with a
/// dump v3, then calls the dump v3 to actually handle the dump.
pub fn load_dump(
meta: Metadata,
src: impl AsRef<Path>,
dst: impl AsRef<Path>,
index_db_size: usize,
update_db_size: usize,
indexing_options: &IndexerOpts,
) -> anyhow::Result<()> {
let indexes_path = src.as_ref().join("indexes");
let dir_entries = std::fs::read_dir(indexes_path)?;
for entry in dir_entries {
let entry = entry?;
// rename the index folder
let path = entry.path();
let new_path = patch_index_uuid_path(&path).expect("invalid index folder.");
std::fs::rename(path, &new_path)?;
let settings_path = new_path.join("meta.json");
patch_settings(settings_path)?;
}
let update_path = src.as_ref().join("updates/data.jsonl");
patch_updates(update_path)?;
v3::load_dump(
meta,
src,
dst,
index_db_size,
update_db_size,
indexing_options,
)
}
fn patch_index_uuid_path(path: &Path) -> Option<PathBuf> {
let uuid = path.file_name()?.to_str()?.trim_start_matches("index-");
let new_path = path.parent()?.join(uuid);
Some(new_path)
}
fn patch_settings(path: impl AsRef<Path>) -> anyhow::Result<()> {
let mut meta_file = File::open(&path)?;
let mut meta: Value = serde_json::from_reader(&mut meta_file)?;
// We first deserialize the dump meta into a serde_json::Value and change
// the custom ranking rules settings from the old format to the new format.
if let Some(ranking_rules) = meta.pointer_mut("/settings/rankingRules") {
patch_custon_ranking_rules(ranking_rules);
}
let mut meta_file = OpenOptions::new().truncate(true).write(true).open(path)?;
serde_json::to_writer(&mut meta_file, &meta)?;
Ok(())
}
fn patch_updates(path: impl AsRef<Path>) -> anyhow::Result<()> {
let mut output_update_file = NamedTempFile::new()?;
let update_file = File::open(&path)?;
let stream = Deserializer::from_reader(update_file).into_iter::<compat::UpdateEntry>();
for update in stream {
let update_entry = update?;
let update_entry = UpdateEntry::from(update_entry);
serde_json::to_writer(&mut output_update_file, &update_entry)?;
output_update_file.write_all(b"\n")?;
}
output_update_file.flush()?;
output_update_file.persist(path)?;
Ok(())
}
/// Converts the ranking rules from the format `asc(_)`, `desc(_)` to the format `_:asc`, `_:desc`.
///
/// This is done for compatibility reasons, and to avoid a new dump version,
/// since the new syntax was introduced soon after the new dump version.
fn patch_custon_ranking_rules(ranking_rules: &mut Value) {
*ranking_rules = match ranking_rules.take() {
Value::Array(values) => values
.into_iter()
.filter_map(|value| match value {
Value::String(s) if s.starts_with("asc") => asc_ranking_rule(&s)
.map(|f| format!("{}:asc", f))
.map(Value::String),
Value::String(s) if s.starts_with("desc") => desc_ranking_rule(&s)
.map(|f| format!("{}:desc", f))
.map(Value::String),
otherwise => Some(otherwise),
})
.collect(),
otherwise => otherwise,
}
}
impl From<compat::UpdateEntry> for UpdateEntry {
fn from(compat::UpdateEntry { uuid, update }: compat::UpdateEntry) -> Self {
let update = match update {
compat::UpdateStatus::Processing(meta) => UpdateStatus::Processing(meta.into()),
compat::UpdateStatus::Enqueued(meta) => UpdateStatus::Enqueued(meta.into()),
compat::UpdateStatus::Processed(meta) => UpdateStatus::Processed(meta.into()),
compat::UpdateStatus::Aborted(meta) => UpdateStatus::Aborted(meta.into()),
compat::UpdateStatus::Failed(meta) => UpdateStatus::Failed(meta.into()),
};
Self { uuid, update }
}
}
impl From<compat::Failed> for Failed {
fn from(other: compat::Failed) -> Self {
let compat::Failed {
from,
error,
failed_at,
} = other;
Self {
from: from.into(),
msg: error.message,
code: compat::error_code_from_str(&error.error_code)
.expect("Invalid update: Invalid error code"),
failed_at,
}
}
}
impl From<compat::Aborted> for Aborted {
fn from(other: compat::Aborted) -> Self {
let compat::Aborted { from, aborted_at } = other;
Self {
from: from.into(),
aborted_at,
}
}
}
impl From<compat::Processing> for Processing {
fn from(other: compat::Processing) -> Self {
let compat::Processing {
from,
started_processing_at,
} = other;
Self {
from: from.into(),
started_processing_at,
}
}
}
impl From<compat::Enqueued> for Enqueued {
fn from(other: compat::Enqueued) -> Self {
let compat::Enqueued {
update_id,
meta,
enqueued_at,
content,
} = other;
let meta = match meta {
compat::UpdateMeta::DocumentsAddition {
method,
primary_key,
..
} => {
Update::DocumentAddition {
primary_key,
method,
// Just ignore if the uuid is no present. If it is needed later, an error will
// be thrown.
content_uuid: content.unwrap_or_else(Uuid::default),
}
}
compat::UpdateMeta::ClearDocuments => Update::ClearDocuments,
compat::UpdateMeta::DeleteDocuments { ids } => Update::DeleteDocuments(ids),
compat::UpdateMeta::Settings(settings) => Update::Settings(settings),
};
Self {
update_id,
meta,
enqueued_at,
}
}
}
impl From<compat::Processed> for Processed {
fn from(other: compat::Processed) -> Self {
let compat::Processed {
from,
success,
processed_at,
} = other;
Self {
success: success.into(),
processed_at,
from: from.into(),
}
}
}
impl From<compat::UpdateResult> for UpdateResult {
fn from(other: compat::UpdateResult) -> Self {
match other {
compat::UpdateResult::DocumentsAddition(r) => Self::DocumentsAddition(r),
compat::UpdateResult::DocumentDeletion { deleted } => {
Self::DocumentDeletion { deleted }
}
compat::UpdateResult::Other => Self::Other,
}
}
}
/// compat structure from pre-dumpv3 meilisearch
mod compat {
use anyhow::bail;
use chrono::{DateTime, Utc};
use meilisearch_error::Code;
use milli::update::{DocumentAdditionResult, IndexDocumentsMethod};
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use crate::index::{Settings, Unchecked};
#[derive(Serialize, Deserialize)]
pub struct UpdateEntry {
pub uuid: Uuid,
pub update: UpdateStatus,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum UpdateFormat {
Json,
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum UpdateResult {
DocumentsAddition(DocumentAdditionResult),
DocumentDeletion { deleted: u64 },
Other,
}
#[allow(clippy::large_enum_variant)]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type")]
pub enum UpdateMeta {
DocumentsAddition {
method: IndexDocumentsMethod,
format: UpdateFormat,
primary_key: Option<String>,
},
ClearDocuments,
DeleteDocuments {
ids: Vec<String>,
},
Settings(Settings<Unchecked>),
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct Enqueued {
pub update_id: u64,
pub meta: UpdateMeta,
pub enqueued_at: DateTime<Utc>,
pub content: Option<Uuid>,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct Processed {
pub success: UpdateResult,
pub processed_at: DateTime<Utc>,
#[serde(flatten)]
pub from: Processing,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct Processing {
#[serde(flatten)]
pub from: Enqueued,
pub started_processing_at: DateTime<Utc>,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct Aborted {
#[serde(flatten)]
pub from: Enqueued,
pub aborted_at: DateTime<Utc>,
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct Failed {
#[serde(flatten)]
pub from: Processing,
pub error: ResponseError,
pub failed_at: DateTime<Utc>,
}
#[derive(Debug, Serialize, Deserialize)]
#[serde(tag = "status", rename_all = "camelCase")]
pub enum UpdateStatus {
Processing(Processing),
Enqueued(Enqueued),
Processed(Processed),
Aborted(Aborted),
Failed(Failed),
}
type StatusCode = ();
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(rename_all = "camelCase")]
pub struct ResponseError {
#[serde(skip)]
pub code: StatusCode,
pub message: String,
pub error_code: String,
pub error_type: String,
pub error_link: String,
}
pub fn error_code_from_str(s: &str) -> anyhow::Result<Code> {
let code = match s {
"index_creation_failed" => Code::CreateIndex,
"index_already_exists" => Code::IndexAlreadyExists,
"index_not_found" => Code::IndexNotFound,
"invalid_index_uid" => Code::InvalidIndexUid,
"index_not_accessible" => Code::OpenIndex,
"invalid_state" => Code::InvalidState,
"missing_primary_key" => Code::MissingPrimaryKey,
"primary_key_already_present" => Code::PrimaryKeyAlreadyPresent,
"invalid_request" => Code::InvalidRankingRule,
"max_fields_limit_exceeded" => Code::MaxFieldsLimitExceeded,
"missing_document_id" => Code::MissingDocumentId,
"invalid_facet" => Code::Facet,
"invalid_filter" => Code::Filter,
"invalid_sort" => Code::Sort,
"bad_parameter" => Code::BadParameter,
"bad_request" => Code::BadRequest,
"document_not_found" => Code::DocumentNotFound,
"internal" => Code::Internal,
"invalid_geo_field" => Code::InvalidGeoField,
"invalid_token" => Code::InvalidToken,
"missing_authorization_header" => Code::MissingAuthorizationHeader,
"not_found" => Code::NotFound,
"payload_too_large" => Code::PayloadTooLarge,
"unretrievable_document" => Code::RetrieveDocument,
"search_error" => Code::SearchDocuments,
"unsupported_media_type" => Code::UnsupportedMediaType,
"dump_already_in_progress" => Code::DumpAlreadyInProgress,
"dump_process_failed" => Code::DumpProcessFailed,
_ => bail!("unknow error code."),
};
Ok(code)
}
}

31
meilisearch-lib/src/index_controller/dump_actor/loaders/v3.rs Normal file
View File

@ -0,0 +1,31 @@
use std::path::Path;
use log::info;
use crate::index_controller::dump_actor::Metadata;
use crate::index_controller::index_resolver::IndexResolver;
use crate::index_controller::update_file_store::UpdateFileStore;
use crate::index_controller::updates::store::UpdateStore;
use crate::options::IndexerOpts;
pub fn load_dump(
meta: Metadata,
src: impl AsRef<Path>,
dst: impl AsRef<Path>,
index_db_size: usize,
update_db_size: usize,
indexing_options: &IndexerOpts,
) -> anyhow::Result<()> {
info!(
"Loading dump from {}, dump database version: {}, dump version: V3",
meta.dump_date, meta.db_version
);
IndexResolver::load_dump(src.as_ref(), &dst, index_db_size, indexing_options)?;
UpdateFileStore::load_dump(src.as_ref(), &dst)?;
UpdateStore::load_dump(&src, &dst, update_db_size)?;
info!("Loading indexes.");
Ok(())
}

49
meilisearch-lib/src/index_controller/dump_actor/mod.rs
View File

@ -17,7 +17,7 @@ use super::index_resolver::HardStateIndexResolver;
use super::updates::UpdateSender;
use crate::compression::{from_tar_gz, to_tar_gz};
use crate::index_controller::dump_actor::error::DumpActorError;
use crate::index_controller::dump_actor::loaders::v3;
use crate::index_controller::dump_actor::loaders::{v2, v3};
use crate::index_controller::updates::UpdateMsg;
use crate::options::IndexerOpts;
use error::Result;
@ -48,7 +48,6 @@ impl Metadata {
dump_date: Utc::now(),
}
}
}
#[async_trait::async_trait]
@ -75,6 +74,28 @@ impl MetadataVersion {
let meta = Metadata::new(index_db_size, update_db_size);
Self::V3(meta)
}
pub fn db_version(&self) -> &str {
match self {
Self::V1(meta) => &meta.db_version,
Self::V2(meta) | Self::V3(meta) => &meta.db_version,
}
}
pub fn version(&self) -> &str {
match self {
MetadataVersion::V1(_) => "V1",
MetadataVersion::V2(_) => "V2",
MetadataVersion::V3(_) => "V3",
}
}
pub fn dump_date(&self) -> Option<&DateTime<Utc>> {
match self {
MetadataVersion::V1(_) => None,
MetadataVersion::V2(meta) | MetadataVersion::V3(meta) => Some(&meta.dump_date),
}
}
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
@ -133,7 +154,11 @@ pub fn load_dump(
) -> anyhow::Result<()> {
// Setup a temp directory path in the same path as the database, to prevent cross devices
// references.
let temp_path = dst_path.as_ref().parent().map(ToOwned::to_owned).unwrap_or_else(|| ".".into());
let temp_path = dst_path
.as_ref()
.parent()
.map(ToOwned::to_owned)
.unwrap_or_else(|| ".".into());
if cfg!(windows) {
std::env::set_var("TMP", temp_path);
} else {
@ -151,12 +176,27 @@ pub fn load_dump(
let tmp_dst = tempfile::tempdir()?;
println!("temp path: {}", tmp_dst.path().display());
info!(
"Loading dump {}, dump database version: {}, dump version: {}",
meta.dump_date()
.map(|t| format!("from {}", t))
.unwrap_or_else(String::new),
meta.db_version(),
meta.version()
);
match meta {
MetadataVersion::V1(meta) => {
meta.load_dump(&tmp_src_path, tmp_dst.path(), index_db_size, indexer_opts)?
}
MetadataVersion::V2(meta) => v2::load_dump(
meta,
&tmp_src_path,
tmp_dst.path(),
index_db_size,
update_db_size,
indexer_opts,
)?,
MetadataVersion::V3(meta) => v3::load_dump(
meta,
&tmp_src_path,
@ -165,7 +205,6 @@ pub fn load_dump(
update_db_size,
indexer_opts,
)?,
MetadataVersion::V2(_) => todo!(),
}
// Persist and atomically rename the db
let persisted_dump = tmp_dst.into_path();

1
meilisearch-lib/src/index_controller/index_resolver/uuid_store.rs
View File

@ -173,7 +173,6 @@ impl HeedUuidStore {
Ok(0) => break,
Ok(_) => {
let DumpEntry { uuid, uid } = serde_json::from_str(&line)?;
println!("importing {} {}", uid, uuid);
db.db.put(&mut txn, &uid, uuid.as_bytes())?;
}
Err(e) => return Err(e.into()),

14
meilisearch-lib/src/index_controller/mod.rs
View File

@ -488,17 +488,3 @@ pub async fn get_arc_ownership_blocking<T>(mut item: Arc<T>) -> T {
}
}
}
/// Parses the v1 version of the Asc ranking rules `asc(price)`and returns the field name.
pub fn asc_ranking_rule(text: &str) -> Option<&str> {
text.split_once("asc(")
.and_then(|(_, tail)| tail.rsplit_once(")"))
.map(|(field, _)| field)
}
/// Parses the v1 version of the Desc ranking rules `desc(price)`and returns the field name.
pub fn desc_ranking_rule(text: &str) -> Option<&str> {
text.split_once("desc(")
.and_then(|(_, tail)| tail.rsplit_once(")"))
.map(|(field, _)| field)
}

3
meilisearch-lib/src/index_controller/update_file_store.rs
View File

@ -75,12 +75,11 @@ impl UpdateFileStore {
// No update files to load
if !src_update_files_path.exists() {
return Ok(())
return Ok(());
}
create_dir_all(&dst_update_files_path)?;
println!("src_update file: {}", src_update_files_path.display());
let entries = std::fs::read_dir(src_update_files_path)?;
for entry in entries {

4
meilisearch-lib/src/index_controller/updates/status.rs
View File

@ -133,8 +133,8 @@ impl Processing {
#[serde(rename_all = "camelCase")]
pub struct Aborted {
#[serde(flatten)]
from: Enqueued,
aborted_at: DateTime<Utc>,
pub from: Enqueued,
pub aborted_at: DateTime<Utc>,
}
impl Aborted {

8
meilisearch-lib/src/index_controller/updates/store/dump.rs
View File

@ -21,9 +21,9 @@ use crate::{
};
#[derive(Serialize, Deserialize)]
struct UpdateEntry {
uuid: Uuid,
update: UpdateStatus,
pub struct UpdateEntry {
pub uuid: Uuid,
pub update: UpdateStatus,
}
impl UpdateStore {
@ -130,8 +130,6 @@ impl UpdateStore {
dst: impl AsRef<Path>,
db_size: usize,
) -> anyhow::Result<()> {
println!("target path: {}", dst.as_ref().display());
let mut options = EnvOpenOptions::new();
options.map_size(db_size as usize);