Save metrics in one pipelined Redis query.

This saves the metrics in one pipelined Redis query, rather than one
query per aggregation level. This saves 2 queries per save.
This commit is contained in:
Orne Brocaar
2024-01-31 12:11:54 +00:00
parent b65faf7b98
commit 8cde64c4b7

View File

@ -83,18 +83,14 @@ pub async fn save_state(name: &str, state: &str) -> Result<()> {
}
pub async fn save(name: &str, record: &Record) -> Result<()> {
for a in get_aggregations() {
save_for_interval(a, name, record).await?;
}
Ok(())
}
async fn save_for_interval(a: Aggregation, name: &str, record: &Record) -> Result<()> {
if record.metrics.is_empty() {
return Ok(());
}
let mut pipe = redis::pipe();
pipe.atomic();
for a in get_aggregations() {
let ttl = get_ttl(a);
let ts: DateTime<Local> = match a {
@ -124,8 +120,6 @@ async fn save_for_interval(a: Aggregation, name: &str, record: &Record) -> Resul
};
let key = get_key(&name, a, ts);
let mut pipe = redis::pipe();
pipe.atomic();
for (k, v) in &record.metrics {
// Passing a reference to hincr will return a runtime error.
@ -153,11 +147,13 @@ async fn save_for_interval(a: Aggregation, name: &str, record: &Record) -> Resul
pipe.cmd("PEXPIRE")
.arg(&key)
.arg(ttl.as_millis() as usize)
.ignore()
.query_async(&mut get_async_redis_conn().await?)
.await?;
.ignore();
info!(name = %name, aggregation = %a, "Metrics saved");
}
pipe.query_async(&mut get_async_redis_conn().await?).await?;
Ok(())
}
@ -339,9 +335,7 @@ pub mod test {
},
];
for r in &records {
save_for_interval(Aggregation::HOUR, "test", r)
.await
.unwrap();
save("test", r).await.unwrap();
}
let resp = get(
@ -408,9 +402,7 @@ pub mod test {
},
];
for r in &records {
save_for_interval(Aggregation::DAY, "test", r)
.await
.unwrap();
save("test", r).await.unwrap();
}
let resp = get(
@ -477,9 +469,7 @@ pub mod test {
},
];
for r in &records {
save_for_interval(Aggregation::DAY, "test", r)
.await
.unwrap();
save("test", r).await.unwrap();
}
let resp = get(
@ -546,9 +536,7 @@ pub mod test {
},
];
for r in &records {
save_for_interval(Aggregation::MONTH, "test", r)
.await
.unwrap();
save("test", r).await.unwrap();
}
let resp = get(
@ -607,9 +595,7 @@ pub mod test {
},
];
for r in &records {
save_for_interval(Aggregation::HOUR, "test", r)
.await
.unwrap();
save("test", r).await.unwrap();
}
let resp = get(
@ -658,9 +644,7 @@ pub mod test {
},
];
for r in &records {
save_for_interval(Aggregation::HOUR, "test", r)
.await
.unwrap();
save("test", r).await.unwrap();
}
let resp = get(
@ -709,9 +693,7 @@ pub mod test {
},
];
for r in &records {
save_for_interval(Aggregation::HOUR, "test", r)
.await
.unwrap();
save("test", r).await.unwrap();
}
let resp = get(