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feat: Introduce sst file dumping 

Fixes #9
This commit is contained in:
Kerollmops 2018-08-19 13:40:07 +02:00 committed by Clément Renault
parent e5c54c4399
commit 2e0193a39e
7 changed files with 209 additions and 143 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

198
Cargo.lock generated
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@ -3,16 +3,21 @@ name = "base64"
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@ -22,29 +27,29 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -68,12 +68,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -97,25 +111,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum proc-macro2 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "effdb53b25cdad54f8f48843d67398f7ef2e14f12c1b4cb4effc549a6462a4d6"
"checksum quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e44651a0dc4cdd99f71c83b561e221f714912d11af1a4dff0631f923d53af035"
"checksum moby-name-gen 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d41abd7ae342e42e3a52953738f89eabde3ece58a4b9206384966976955bf7a2"
"checksum pkg-config 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)" = "104630aa1c83213cbc76db0703630fcb0421dac3585063be4ce9a8a2feeaa745"
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"checksum rocksdb 0.3.0 (git+https://github.com/pingcap/rust-rocksdb.git)" = "<none>"
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1
raptor-indexer/Cargo.toml
View File

@ -9,6 +9,7 @@ serde = "1.0"
serde_derive = "1.0"
serde_json = "1.0"
unidecode = "0.3"
moby-name-gen = "0.1"
[dependencies.rocksdb]
git = "https://github.com/pingcap/rust-rocksdb.git"

101
raptor-indexer/src/main.rs
View File

@ -6,15 +6,16 @@ extern crate rocksdb;
extern crate serde_json;
#[macro_use] extern crate serde_derive;
extern crate unidecode;
extern crate moby_name_gen;
use std::path::Path;
use std::collections::HashSet;
use std::collections::{HashSet, BTreeMap};
use std::fs::{self, File};
use std::io::{self, BufReader, BufRead};
use std::iter;
use raptor::{MetadataBuilder, Metadata, DocIndex};
use rocksdb::{DB, WriteBatch, Writable};
use rocksdb::{SstFileWriter, EnvOptions, ColumnFamilyOptions};
use serde_json::from_str;
use unidecode::unidecode;
@ -33,9 +34,7 @@ where P: AsRef<Path>
fs::set_permissions(&path, perms)
}
fn is_readonly<P>(path: P) -> io::Result<bool>
where P: AsRef<Path>
{
fn is_readonly<P: AsRef<Path>>(path: P) -> io::Result<bool> {
fs::metadata(&path).map(|m| m.permissions().readonly())
}
@ -62,69 +61,85 @@ fn main() {
}
};
let map_file = "map.meta";
let indexes_file = "indexes.meta";
let rocksdb_file = "rocksdb/storage";
// TODO add a subcommand to pack these files in a tar.xxx archive
let random_name = moby_name_gen::random_name();
let map_file = format!("{}.map", random_name);
let idx_file = format!("{}.idx", random_name);
let sst_file = format!("{}.sst", random_name);
for file in &[map_file, indexes_file, rocksdb_file] {
for file in &[&map_file, &idx_file, &sst_file] {
match is_readonly(file) {
Ok(true) => panic!("the {:?} file is readonly, please make it writeable", file),
Err(ref e) if e.kind() == io::ErrorKind::NotFound => (),
Err(e) => panic!("{:?}", e),
_ => (),
Ok(false) => (),
}
}
let db = DB::open_default(rocksdb_file).unwrap();
let env_options = EnvOptions::new();
let cf_options = ColumnFamilyOptions::new();
let mut sst_file_writer = SstFileWriter::new(env_options, cf_options);
sst_file_writer.open(&sst_file).expect("open the sst file");
let map = File::create(map_file).unwrap();
let indexes = File::create(indexes_file).unwrap();
let map = File::create(&map_file).unwrap();
let indexes = File::create(&idx_file).unwrap();
let mut builder = MetadataBuilder::new(map, indexes);
let mut fields = BTreeMap::new();
for line in data.lines() {
let line = line.unwrap();
let product: Product = from_str(&line).unwrap();
let title = iter::repeat(0).zip(product.title.split_whitespace()).filter(|&(_, w)| !common_words.contains(w)).enumerate();
let description = iter::repeat(1).zip(product.ft.split_whitespace()).filter(|&(_, w)| !common_words.contains(w)).enumerate();
{
let title = iter::repeat(0).zip(product.title.split_whitespace()).filter(|&(_, w)| !common_words.contains(w)).enumerate();
let description = iter::repeat(1).zip(product.ft.split_whitespace()).filter(|&(_, w)| !common_words.contains(w)).enumerate();
let mut batch = WriteBatch::new();
let words = title.chain(description);
for (i, (attr, word)) in words {
let doc_index = DocIndex {
document: product.product_id,
attribute: attr,
attribute_index: i as u32,
};
// insert the exact representation
let word_lower = word.to_lowercase();
let title_key = format!("{}-title", product.product_id);
let _ = batch.put(title_key.as_bytes(), product.title.as_bytes());
// and the unidecoded lowercased version
let word_unidecoded = unidecode(word).to_lowercase();
if word_lower != word_unidecoded {
builder.insert(word_unidecoded, doc_index);
}
let description_key = format!("{}-description", product.product_id);
let _ = batch.put(description_key.as_bytes(), product.ft.as_bytes());
db.write(batch).unwrap();
let words = title.chain(description);
for (i, (attr, word)) in words {
let doc_index = DocIndex {
document: product.product_id,
attribute: attr,
attribute_index: i as u32,
};
// insert the exact representation
let word_lower = word.to_lowercase();
// and the unidecoded lowercased version
let word_unidecoded = unidecode(word).to_lowercase();
if word_lower != word_unidecoded {
builder.insert(word_unidecoded, doc_index);
builder.insert(word_lower, doc_index);
}
builder.insert(word_lower, doc_index);
}
// TODO simplify this by using functions and
// use the MetadataBuilder internal BTreeMap ?
let key = format!("{}-title", product.product_id);
let value = product.title;
fields.insert(key, value);
let key = format!("{}-description", product.product_id);
let value = product.ft;
fields.insert(key, value);
}
for (key, value) in fields {
sst_file_writer.put(key.as_bytes(), value.as_bytes()).unwrap();
}
let sst_file_info = sst_file_writer.finish().unwrap();
builder.finish().unwrap();
set_readonly(map_file, true).unwrap();
set_readonly(indexes_file, true).unwrap();
set_readonly(rocksdb_file, true).unwrap();
println!("Succesfully created files: {}, {}, {}", map_file, idx_file, sst_file);
set_readonly(&map_file, true).unwrap();
set_readonly(&idx_file, true).unwrap();
set_readonly(&sst_file, true).unwrap();
println!("Checking the dump consistency...");
unsafe { Metadata::from_paths(map_file, indexes_file).unwrap() };
unsafe { Metadata::from_paths(map_file, idx_file).unwrap() };
// TODO do it better!
}

2
raptor-search/Cargo.toml
View File

@ -9,7 +9,7 @@ elapsed = "0.1"
[dependencies.fst]
git = "https://github.com/Kerollmops/fst.git"
branch = "op-builder-with-state"
branch = "always-match-clone"
[dependencies.rocksdb]
git = "https://github.com/pingcap/rust-rocksdb.git"

44
raptor-search/src/main.rs
View File

@ -8,7 +8,7 @@ use std::str::from_utf8_unchecked;
use std::io::{self, Write};
use elapsed::measure_time;
use fst::Streamer;
use rocksdb::{DB, DBOptions};
use rocksdb::{DB, IngestExternalFileOptions};
use raptor::{Metadata, RankedStream, LevBuilder};
fn search(metadata: &Metadata, database: &DB, lev_builder: &LevBuilder, query: &str) {
@ -35,43 +35,39 @@ fn search(metadata: &Metadata, database: &DB, lev_builder: &LevBuilder, query: &
}
fn main() {
let map_file = "map.meta";
let indexes_file = "indexes.meta";
let rocksdb_file = "rocksdb/storage";
let name = env::args().nth(1).expect("Missing meta file name (e.g. lucid-ptolemy)");
let map_file = format!("{}.map", name);
let idx_file = format!("{}.idx", name);
let sst_file = format!("{}.sst", name);
let rocksdb = "rocksdb/storage";
let (elapsed, meta) = measure_time(|| unsafe {
Metadata::from_paths(map_file, indexes_file).unwrap()
Metadata::from_paths(map_file, idx_file).unwrap()
});
println!("{} to load metadata", elapsed);
let (elapsed, db) = measure_time(|| {
let options = DBOptions::new();
DB::open_for_read_only(options, rocksdb_file, false).unwrap()
let db = DB::open_default(rocksdb).unwrap();
db.ingest_external_file(&IngestExternalFileOptions::new(), &[&sst_file]).unwrap();
db
});
println!("{} to load the RocksDB database", elapsed);
let (elapsed, lev_builder) = measure_time(|| LevBuilder::new());
println!("{} to load the levenshtein automaton", elapsed);
match env::args().nth(1) {
Some(query) => {
println!("Searching for: {:?}", query);
let query = query.to_lowercase();
let (elapsed, _) = measure_time(|| search(&meta, &db, &lev_builder, &query));
println!("Finished in {}", elapsed);
},
None => loop {
print!("Searching for: ");
io::stdout().flush().unwrap();
loop {
print!("Searching for: ");
io::stdout().flush().unwrap();
let mut query = String::new();
io::stdin().read_line(&mut query).unwrap();
let query = query.trim().to_lowercase();
let mut query = String::new();
io::stdin().read_line(&mut query).unwrap();
let query = query.trim().to_lowercase();
if query.is_empty() { break }
if query.is_empty() { break }
let (elapsed, _) = measure_time(|| search(&meta, &db, &lev_builder, &query));
println!("Finished in {}", elapsed);
},
let (elapsed, _) = measure_time(|| search(&meta, &db, &lev_builder, &query));
println!("Finished in {}", elapsed);
}
}

2
raptor/Cargo.toml
View File

@ -8,7 +8,7 @@ byteorder = "1.2"
[dependencies.fst]
git = "https://github.com/Kerollmops/fst.git"
branch = "op-builder-with-state"
branch = "always-match-clone"
[dependencies.levenshtein_automata]
git = "https://github.com/Kerollmops/levenshtein-automata.git"

4
raptor/src/metadata.rs
View File

@ -186,8 +186,8 @@ pub struct MetadataBuilder<W, X> {
indexes: X,
}
impl<W: Write, X: Write> MetadataBuilder<W, X> {
impl<W: Write, X: Write> MetadataBuilder<W, X>
{
pub fn new(map: W, indexes: X) -> Self {
Self { inner: Inner::new(), map, indexes }
}