forked from Deuxfleurs/garage
77 lines
1.6 KiB
Rust
77 lines
1.6 KiB
Rust
use std::sync::Arc;
|
|
use std::time::Duration;
|
|
|
|
use async_trait::async_trait;
|
|
use tokio::select;
|
|
use tokio::sync::watch;
|
|
|
|
use garage_util::background::*;
|
|
use garage_util::error::Error;
|
|
|
|
use crate::replication::*;
|
|
use crate::schema::*;
|
|
use crate::table::*;
|
|
|
|
const BATCH_SIZE: usize = 1024;
|
|
|
|
pub(crate) struct InsertQueueWorker<F, R>(pub(crate) Arc<Table<F, R>>)
|
|
where
|
|
F: TableSchema,
|
|
R: TableReplication;
|
|
|
|
#[async_trait]
|
|
impl<F: TableSchema, R: TableReplication> Worker for InsertQueueWorker<F, R> {
|
|
fn name(&self) -> String {
|
|
format!("{} queue", F::TABLE_NAME)
|
|
}
|
|
|
|
fn status(&self) -> WorkerStatus {
|
|
WorkerStatus {
|
|
queue_length: Some(self.0.data.insert_queue.len().unwrap_or(0) as u64),
|
|
..Default::default()
|
|
}
|
|
}
|
|
|
|
async fn work(&mut self, _must_exit: &mut watch::Receiver<bool>) -> Result<WorkerState, Error> {
|
|
let mut kv_pairs = vec![];
|
|
let mut values = vec![];
|
|
|
|
for entry_kv in self.0.data.insert_queue.iter()? {
|
|
let (k, v) = entry_kv?;
|
|
|
|
values.push(self.0.data.decode_entry(&v)?);
|
|
kv_pairs.push((k, v));
|
|
|
|
if kv_pairs.len() > BATCH_SIZE {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if kv_pairs.is_empty() {
|
|
return Ok(WorkerState::Idle);
|
|
}
|
|
|
|
self.0.insert_many(values).await?;
|
|
|
|
self.0.data.insert_queue.db().transaction(|tx| {
|
|
for (k, v) in kv_pairs.iter() {
|
|
if let Some(v2) = tx.get(&self.0.data.insert_queue, k)? {
|
|
if &v2 == v {
|
|
tx.remove(&self.0.data.insert_queue, k)?;
|
|
}
|
|
}
|
|
}
|
|
Ok(())
|
|
})?;
|
|
|
|
Ok(WorkerState::Busy)
|
|
}
|
|
|
|
async fn wait_for_work(&mut self) -> WorkerState {
|
|
select! {
|
|
_ = tokio::time::sleep(Duration::from_secs(600)) => (),
|
|
_ = self.0.data.insert_queue_notify.notified() => (),
|
|
}
|
|
WorkerState::Busy
|
|
}
|
|
}
|