This commit is contained in:
parent
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commit
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GPG Key ID:
41A00BF15EA7E5F3
235
Cargo.lock
generated
235
Cargo.lock
generated
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@ -341,7 +308,7 @@ version = "0.5.7"
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@ -363,7 +330,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -1030,16 +863,6 @@ dependencies = [
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@ -1096,12 +919,6 @@ version = "2.4.1"
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||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.109"
|
||||
@ -1119,7 +936,7 @@ version = "3.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "af18f7ae1acd354b992402e9ec5864359d693cd8a79dcbef59f76891701c1e95"
|
||||
dependencies = [
|
||||
"cfg-if 1.0.0",
|
||||
"cfg-if",
|
||||
"fastrand",
|
||||
"redox_syscall",
|
||||
"rustix",
|
||||
@ -1141,26 +958,6 @@ version = "0.16.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "1.0.38"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
|
||||
dependencies = [
|
||||
"thiserror-impl",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "1.0.38"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "time"
|
||||
version = "0.3.20"
|
||||
@ -1245,7 +1042,7 @@ version = "0.2.84"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "31f8dcbc21f30d9b8f2ea926ecb58f6b91192c17e9d33594b3df58b2007ca53b"
|
||||
dependencies = [
|
||||
"cfg-if 1.0.0",
|
||||
"cfg-if",
|
||||
"wasm-bindgen-macro",
|
||||
]
|
||||
|
||||
|
||||
@ -13,7 +13,6 @@ harness = false
|
||||
[dependencies]
|
||||
chgk_ledb_lib = {path = "../lib"}
|
||||
serde_json="1.0"
|
||||
ledb = {git = "https://github.com/b4tman/ledb.git", rev="a646b90e", package="ledb"}
|
||||
zip="0.6"
|
||||
rand="0.8"
|
||||
clap = { version = "3.2.22", features = ["derive"] }
|
||||
@ -22,8 +21,5 @@ clap = { version = "3.2.22", features = ["derive"] }
|
||||
criterion = "0.4.0"
|
||||
tempfile = "3.3"
|
||||
bincode = "^2.0.0-rc.2"
|
||||
ledb = {git = "https://github.com/b4tman/ledb.git", rev="a646b90e", package="ledb"}
|
||||
ledb-derive = {git = "https://github.com/b4tman/ledb.git", rev="a646b90e", package="ledb-derive"}
|
||||
ledb-types = {git = "https://github.com/b4tman/ledb.git", rev="a646b90e", package="ledb-types"}
|
||||
serde="1.0"
|
||||
serde_derive="1.0"
|
||||
|
||||
@ -1,13 +1,10 @@
|
||||
#[macro_use]
|
||||
extern crate criterion;
|
||||
extern crate bincode;
|
||||
extern crate ledb;
|
||||
extern crate ledb_types;
|
||||
extern crate serde;
|
||||
extern crate serde_derive;
|
||||
extern crate tempfile;
|
||||
#[macro_use]
|
||||
extern crate serde_json;
|
||||
extern crate tempfile;
|
||||
|
||||
use chgk_ledb_lib::db;
|
||||
use std::path::PathBuf;
|
||||
@ -17,7 +14,6 @@ use db::{Reader, Writer, WriterOpts};
|
||||
use criterion::{BatchSize, Criterion};
|
||||
use tempfile::tempdir;
|
||||
|
||||
use ledb::{Document, Options, Storage};
|
||||
use serde_derive::{Deserialize, Serialize};
|
||||
|
||||
#[derive(
|
||||
@ -31,10 +27,8 @@ use serde_derive::{Deserialize, Serialize};
|
||||
Ord,
|
||||
Serialize,
|
||||
Deserialize,
|
||||
Document,
|
||||
)]
|
||||
struct TestData {
|
||||
#[document(primary)]
|
||||
num1: u64,
|
||||
num2: u64,
|
||||
test: String,
|
||||
@ -48,7 +42,7 @@ fn gen_data(count: usize) -> impl Iterator<Item = TestData> {
|
||||
.map(|i| 143 + i as u64)
|
||||
.map(|i| TestData {
|
||||
num1: i,
|
||||
num2: i*100 ^ 0xDF0E441122334455,
|
||||
num2: i * 100 ^ 0xDF0E441122334455,
|
||||
test: "test ---- Test ____".repeat(123 + i as usize % 15),
|
||||
})
|
||||
}
|
||||
@ -108,83 +102,9 @@ fn db_write(c: &mut Criterion) {
|
||||
});
|
||||
}
|
||||
|
||||
fn ledb_write(c: &mut Criterion) {
|
||||
let dir = tempdir().expect("tempdir");
|
||||
let tmp_dir = dir.as_ref();
|
||||
c.bench_function("ledb_write", |b| {
|
||||
b.iter_batched(
|
||||
|| {
|
||||
let src = gen_data(N).collect::<Vec<TestData>>().into_iter();
|
||||
let options: Options = serde_json::from_value(json!({
|
||||
"map_size": 100 * 1024 * 1024, // 100mb
|
||||
"write_map": true,
|
||||
"map_async": true,
|
||||
"no_lock": true,
|
||||
"no_meta_sync": true,
|
||||
"no_sync": true,
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let storage = Storage::new(tmp_dir, options).unwrap();
|
||||
let collection = storage.collection("test").unwrap();
|
||||
(src, collection)
|
||||
},
|
||||
|(src, collection)| collection.load(src).expect("load"),
|
||||
BatchSize::SmallInput,
|
||||
)
|
||||
});
|
||||
}
|
||||
|
||||
fn ledb_read(c: &mut Criterion) {
|
||||
let dir = tempdir().expect("tempdir");
|
||||
let tmp_dir = dir.as_ref();
|
||||
|
||||
let write_options: Options = serde_json::from_value(json!({
|
||||
"map_size": 100 * 1024 * 1024, // 100mb
|
||||
"write_map": true,
|
||||
"map_async": true,
|
||||
"no_lock": true,
|
||||
"no_meta_sync": true,
|
||||
"no_sync": true,
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let storage = Storage::new(&tmp_dir, write_options).unwrap();
|
||||
let collection = storage.collection("test").unwrap();
|
||||
let items_iter = gen_data(N).collect::<Vec<TestData>>().into_iter();
|
||||
collection.load(items_iter).expect("load");
|
||||
drop(collection);
|
||||
drop(storage);
|
||||
|
||||
c.bench_function("ledb_read", |b| {
|
||||
b.iter_batched(
|
||||
|| {
|
||||
let options: Options = serde_json::from_value(json!({
|
||||
"read_only": true,
|
||||
"map_async": true,
|
||||
"no_lock": true,
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let storage = Storage::new(tmp_dir, options).unwrap();
|
||||
let collection = storage.collection("test").unwrap();
|
||||
collection
|
||||
},
|
||||
|collection| {
|
||||
let mut collection_iter = collection.dump::<TestData>().expect("dump");
|
||||
while let Some(item) = collection_iter.next() {
|
||||
drop(item);
|
||||
}
|
||||
},
|
||||
BatchSize::SmallInput,
|
||||
)
|
||||
});
|
||||
}
|
||||
|
||||
fn config() -> Criterion {
|
||||
Criterion::default().sample_size(40)
|
||||
}
|
||||
|
||||
criterion_group! {name=ledb; config = config(); targets = ledb_read, ledb_write}
|
||||
criterion_group! {name=benches; config = config(); targets = db_read, db_write}
|
||||
criterion_main!(benches, ledb);
|
||||
criterion_main!(benches);
|
||||
|
||||
116
app/src/main.rs
116
app/src/main.rs
@ -1,15 +1,11 @@
|
||||
#[macro_use]
|
||||
extern crate serde_json;
|
||||
use clap::{Parser, Subcommand};
|
||||
use rand::seq::IteratorRandom;
|
||||
|
||||
use std::io;
|
||||
use std::path::PathBuf;
|
||||
use std::time::Instant;
|
||||
use std::{fs, sync::mpsc, thread};
|
||||
|
||||
use ledb::{Options, Storage};
|
||||
|
||||
use chgk_ledb_lib::db;
|
||||
use chgk_ledb_lib::questions;
|
||||
use chgk_ledb_lib::source;
|
||||
@ -19,12 +15,10 @@ use crate::source::ReadSourceQuestionsBatches;
|
||||
|
||||
const ZIP_FILENAME: &str = "json.zip";
|
||||
const NEW_DB_FILENAME: &str = "db.dat";
|
||||
const DB_DIR: &str = "db";
|
||||
|
||||
#[derive(Subcommand, Debug)]
|
||||
enum Command {
|
||||
Write,
|
||||
Compact,
|
||||
Print {
|
||||
#[clap(value_parser, default_value = "0")]
|
||||
id: u32,
|
||||
@ -35,11 +29,6 @@ enum Command {
|
||||
#[clap(value_parser, default_value = "0")]
|
||||
num: usize,
|
||||
},
|
||||
Write2,
|
||||
Print2 {
|
||||
#[clap(value_parser, default_value = "0")]
|
||||
id: u32,
|
||||
},
|
||||
}
|
||||
|
||||
#[derive(Parser, Debug)]
|
||||
@ -73,60 +62,12 @@ fn zip_reader_task(tx: mpsc::Sender<Question>) {
|
||||
}
|
||||
println!("read done");
|
||||
}
|
||||
fn db_writer_task(rx: mpsc::Receiver<Question>) {
|
||||
let out_file: PathBuf = [DB_DIR, "data.mdb"].into_iter().collect();
|
||||
match fs::metadata(&out_file) {
|
||||
Ok(x) if x.is_file() => {
|
||||
fs::remove_file(&out_file).unwrap();
|
||||
println!(r#""{}" removed"#, out_file.to_str().unwrap());
|
||||
}
|
||||
_ => {}
|
||||
};
|
||||
|
||||
let options: Options = serde_json::from_value(json!({
|
||||
"map_size": 900 * 1024 * 1024, // 900mb
|
||||
"write_map": true,
|
||||
"map_async": true,
|
||||
"no_lock": true,
|
||||
"no_meta_sync": true,
|
||||
"no_sync": true,
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let storage = Storage::new(DB_DIR, options).unwrap();
|
||||
let collection = storage.collection("questions").unwrap();
|
||||
|
||||
let count = collection.load(rx).expect("load");
|
||||
|
||||
println!("loaded {count}");
|
||||
|
||||
println!("syncing to disk...");
|
||||
storage.sync(true).unwrap();
|
||||
|
||||
print!("stats: ");
|
||||
let stats = storage.stat().unwrap();
|
||||
println!("{:?}", stats);
|
||||
|
||||
drop(storage);
|
||||
println!("write done");
|
||||
}
|
||||
|
||||
fn write_db() {
|
||||
let (tx, rx) = mpsc::channel::<Question>();
|
||||
[
|
||||
thread::spawn(move || zip_reader_task(tx)),
|
||||
thread::spawn(move || db_writer_task(rx)),
|
||||
]
|
||||
.into_iter()
|
||||
.for_each(|handle| handle.join().expect("thread panic"));
|
||||
println!("all done");
|
||||
}
|
||||
|
||||
fn print_question_from<F>(get_q: F)
|
||||
where
|
||||
F: FnOnce() -> Option<Question>,
|
||||
{
|
||||
let q = get_q().unwrap();
|
||||
let q = get_q().expect("question not found");
|
||||
println!("{:#?}", q)
|
||||
}
|
||||
|
||||
@ -151,45 +92,6 @@ fn read_from_zip(file_num: usize, mut num: usize) -> Option<Question> {
|
||||
Some(questions[num - 1].clone())
|
||||
}
|
||||
|
||||
fn compact_db() {
|
||||
let options: Options = serde_json::from_value(json!({
|
||||
"write_map": true,
|
||||
"map_async": true,
|
||||
"no_lock": true,
|
||||
"no_meta_sync": true,
|
||||
"no_sync": true,
|
||||
"compact": true,
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let storage = Storage::new(DB_DIR, options).unwrap();
|
||||
|
||||
storage.sync(true).unwrap();
|
||||
let stats = storage.stat().unwrap();
|
||||
println!("{:?}", stats);
|
||||
drop(storage);
|
||||
}
|
||||
|
||||
fn read_from_db(mut id: u32) -> Option<Question> {
|
||||
let options: Options = serde_json::from_value(json!({
|
||||
"read_only": true,
|
||||
"map_async": true,
|
||||
"no_lock": true,
|
||||
}))
|
||||
.unwrap();
|
||||
|
||||
let storage = Storage::new(DB_DIR, options).unwrap();
|
||||
let collection = storage.collection("questions").unwrap();
|
||||
let mut rng = rand::thread_rng();
|
||||
|
||||
if id == 0 {
|
||||
let last_id = collection.last_id().unwrap();
|
||||
id = (1..=last_id).choose(&mut rng).unwrap();
|
||||
}
|
||||
|
||||
collection.get::<Question>(id).unwrap()
|
||||
}
|
||||
|
||||
// measure and return time elapsed in `func` in seconds
|
||||
pub fn measure<F: FnOnce()>(func: F) -> f64 {
|
||||
let start = Instant::now();
|
||||
@ -208,7 +110,6 @@ fn main() {
|
||||
|
||||
let mut action: Box<dyn FnOnce()> = match &args.command {
|
||||
Command::Write => Box::new(write_db),
|
||||
Command::Compact => Box::new(compact_db),
|
||||
Command::Print { id } => {
|
||||
let get_question = Box::new(|| read_from_db(*id));
|
||||
Box::new(|| print_question_from(get_question))
|
||||
@ -217,11 +118,6 @@ fn main() {
|
||||
let get_question = Box::new(|| read_from_zip(*file_num, *num));
|
||||
Box::new(|| print_question_from(get_question))
|
||||
}
|
||||
Command::Write2 => Box::new(write_db2),
|
||||
Command::Print2 { id } => {
|
||||
let get_question = Box::new(|| read_from_db2(*id));
|
||||
Box::new(|| print_question_from(get_question))
|
||||
}
|
||||
};
|
||||
|
||||
if args.measure {
|
||||
@ -231,11 +127,11 @@ fn main() {
|
||||
action();
|
||||
}
|
||||
|
||||
fn read_from_db2(id: u32) -> Option<Question> {
|
||||
fn read_from_db(id: u32) -> Option<Question> {
|
||||
let reader: db::Reader<Question> =
|
||||
db::Reader::new(NEW_DB_FILENAME, 2048).expect("new db reader");
|
||||
|
||||
let mut questions = reader.iter();
|
||||
let mut questions = reader.into_iter();
|
||||
|
||||
match id {
|
||||
0 => {
|
||||
@ -245,17 +141,17 @@ fn read_from_db2(id: u32) -> Option<Question> {
|
||||
_ => questions.nth((id - 1) as usize),
|
||||
}
|
||||
}
|
||||
fn write_db2() {
|
||||
fn write_db() {
|
||||
let (tx, rx) = mpsc::channel::<Question>();
|
||||
[
|
||||
thread::spawn(move || zip_reader_task(tx)),
|
||||
thread::spawn(move || db_writer2_task(rx)),
|
||||
thread::spawn(move || db_writer_task(rx)),
|
||||
]
|
||||
.into_iter()
|
||||
.for_each(|handle| handle.join().expect("thread panic"));
|
||||
println!("all done");
|
||||
}
|
||||
fn db_writer2_task(rx: mpsc::Receiver<Question>) {
|
||||
fn db_writer_task(rx: mpsc::Receiver<Question>) {
|
||||
let writer_opts = db::WriterOpts::default();
|
||||
let mut writer: db::Writer<Question> =
|
||||
db::Writer::new(NEW_DB_FILENAME, writer_opts).expect("new db writer");
|
||||
|
||||
@ -10,9 +10,6 @@ edition = "2021"
|
||||
serde="1.0"
|
||||
serde_derive="1.0"
|
||||
serde_json="1.0"
|
||||
ledb = {git = "https://github.com/b4tman/ledb.git", rev="a646b90e", package="ledb"}
|
||||
ledb-derive = {git = "https://github.com/b4tman/ledb.git", rev="a646b90e", package="ledb-derive"}
|
||||
ledb-types = {git = "https://github.com/b4tman/ledb.git", rev="a646b90e", package="ledb-types"}
|
||||
zip="0.6"
|
||||
bincode = "^2.0.0-rc.2"
|
||||
zstd = "^0.10"
|
||||
|
||||
@ -3,7 +3,7 @@ use std::{
|
||||
io::{self, Cursor, Read, Write},
|
||||
marker::PhantomData,
|
||||
path::Path,
|
||||
sync::Arc
|
||||
sync::Arc,
|
||||
};
|
||||
|
||||
use memmap::{Mmap, MmapOptions};
|
||||
@ -158,7 +158,7 @@ where
|
||||
mmap: Mmap,
|
||||
count: usize,
|
||||
first_pos: LSize,
|
||||
_t: Option<Arc<T>> // PhantomData replacement
|
||||
_t: Option<Arc<T>>, // PhantomData replacement
|
||||
}
|
||||
|
||||
impl<T> Reader<T>
|
||||
@ -179,7 +179,7 @@ where
|
||||
mmap,
|
||||
count,
|
||||
first_pos,
|
||||
_t: None
|
||||
_t: None,
|
||||
})
|
||||
}
|
||||
|
||||
@ -226,10 +226,6 @@ where
|
||||
pub fn iter(&self) -> ReaderIter<'_, T> {
|
||||
ReaderIter::new(self)
|
||||
}
|
||||
|
||||
pub fn into_iter(self) -> ReaderIntoIter<T> {
|
||||
ReaderIntoIter::new(self)
|
||||
}
|
||||
}
|
||||
|
||||
pub struct ReaderIter<'a, T>
|
||||
@ -404,7 +400,7 @@ where
|
||||
type IntoIter = ReaderIntoIter<Self::Item>;
|
||||
|
||||
fn into_iter(self) -> Self::IntoIter {
|
||||
self.into_iter()
|
||||
Self::IntoIter::new(self)
|
||||
}
|
||||
}
|
||||
|
||||
@ -534,9 +530,12 @@ mod test {
|
||||
let cur_items = items.clone();
|
||||
let cur_reader = Arc::clone(&reader);
|
||||
thread::spawn(move || {
|
||||
cur_items.into_iter().zip(cur_reader.iter()).for_each(|pair| {
|
||||
assert_eq!(pair.0, pair.1);
|
||||
});
|
||||
cur_items
|
||||
.into_iter()
|
||||
.zip(cur_reader.iter())
|
||||
.for_each(|pair| {
|
||||
assert_eq!(pair.0, pair.1);
|
||||
});
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,4 +1,3 @@
|
||||
use ledb::Document;
|
||||
use serde_derive::{Deserialize, Serialize};
|
||||
|
||||
use crate::source::{SourceQuestion, SourceQuestionsBatch};
|
||||
@ -12,11 +11,8 @@ macro_rules! make {
|
||||
),+ ,..$Target::default()}}
|
||||
}
|
||||
|
||||
#[derive(
|
||||
Debug, Default, Clone, Serialize, Deserialize, Document, bincode::Decode, bincode::Encode,
|
||||
)]
|
||||
#[derive(Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode)]
|
||||
pub struct BatchInfo {
|
||||
#[document(primary)]
|
||||
#[serde(default)]
|
||||
pub filename: String,
|
||||
#[serde(default)]
|
||||
@ -45,14 +41,10 @@ pub struct BatchInfo {
|
||||
pub rating: String,
|
||||
}
|
||||
|
||||
#[derive(
|
||||
Debug, Default, Clone, Serialize, Deserialize, Document, bincode::Decode, bincode::Encode,
|
||||
)]
|
||||
#[derive(Debug, Default, Clone, Serialize, Deserialize, bincode::Decode, bincode::Encode)]
|
||||
pub struct Question {
|
||||
#[document(primary)]
|
||||
#[serde(default)]
|
||||
pub num: u32,
|
||||
#[document(index)]
|
||||
pub id: String,
|
||||
|
||||
pub description: String,
|
||||
@ -84,7 +76,6 @@ pub struct Question {
|
||||
pub source: String,
|
||||
#[serde(default)]
|
||||
pub rating: String,
|
||||
#[document(nested)]
|
||||
#[serde(default)]
|
||||
pub batch_info: BatchInfo,
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user