Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

optimize emit measurements script #22

Merged
merged 1 commit into from
Aug 15, 2024
Merged

optimize emit measurements script #22

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
81 changes: 45 additions & 36 deletions examples/examples/emit_measurements.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,6 @@ use std::time::{SystemTime, UNIX_EPOCH};

use rdkafka::config::ClientConfig;
use rdkafka::producer::FutureRecord;
use rdkafka::util::Timeout;

use denormalized_examples::Measurment;

Expand All @@ -16,52 +15,62 @@ use denormalized_examples::Measurment;
/// This data is read processed by other exmpales
#[tokio::main]
async fn main() -> Result<()> {
let mut rng = rand::thread_rng();
let mut tasks = tokio::task::JoinSet::new();

let producer: FutureProducer = ClientConfig::new()
.set("bootstrap.servers", String::from("localhost:9092"))
.set("message.timeout.ms", "60000")
.set("message.timeout.ms", "100")
.create()
.expect("Producer creation error");

let sensors = ["sensor_0", "sensor_1", "sensor_2", "sensor_3", "sensor_4"];
for _ in 0..2048 {
let producer = producer.clone();

loop {
let sensor_name = sensors.choose(&mut rng).unwrap().to_string();
tasks.spawn(async move {
let sensors = ["sensor_0", "sensor_1", "sensor_2", "sensor_3", "sensor_4"];

// Alternate between sending random temperature and humidity readings
let (topic, msg) = if rand::random::<f64>() < 0.4 {
(
"temperature".to_string(),
serde_json::to_vec(&Measurment {
occurred_at_ms: get_timestamp_ms(),
sensor_name,
reading: rand::random::<f64>() * 115.0,
})
.unwrap(),
)
} else {
(
"humidity".to_string(),
serde_json::to_vec(&Measurment {
occurred_at_ms: get_timestamp_ms(),
sensor_name,
reading: rand::random::<f64>(),
})
.unwrap(),
)
};
loop {
let sensor_name = sensors.choose(&mut rand::thread_rng()).unwrap().to_string();

producer
.send(
FutureRecord::<(), Vec<u8>>::to(topic.as_str()).payload(&msg),
Timeout::Never,
)
.await
.unwrap();
// Alternate between sending random temperature and humidity readings
let (topic, msg) = if rand::random::<f64>() < 0.4 {
(
"temperature".to_string(),
serde_json::to_vec(&Measurment {
occurred_at_ms: get_timestamp_ms(),
sensor_name,
reading: rand::random::<f64>() * 115.0,
})
.unwrap(),
)
} else {
(
"humidity".to_string(),
serde_json::to_vec(&Measurment {
occurred_at_ms: get_timestamp_ms(),
sensor_name,
reading: rand::random::<f64>(),
})
.unwrap(),
)
};

tokio::time::sleep(tokio::time::Duration::from_micros(1)).await;
let _ = producer
.send_result(FutureRecord::<(), Vec<u8>>::to(topic.as_str()).payload(&msg))
.unwrap()
.await
.unwrap();

tokio::time::sleep(tokio::time::Duration::from_millis(100)).await;
}
});
}

while let Some(res) = tasks.join_next().await {
let _ = res;
}

Ok(())
}

fn get_timestamp_ms() -> u64 {
Expand Down