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handle model deploy when no metrics to compare #1289

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Merged
montanalow merged 4 commits into from
Jan 18, 2024
Merged

handle model deploy when no metrics to compare #1289

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0574574
handle model deploy when no metrics to compare
ChuckHend Jan 17, 2024
667f68e
better warn msg
ChuckHend Jan 17, 2024
d0ff725
fix first run case
ChuckHend Jan 17, 2024
5831025
handle case where exists has no metrics
ChuckHend Jan 17, 2024
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handle model deploy when no metrics to compare
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@ChuckHend
ChuckHend committed Jan 17, 2024
commit 0574574397373f56fbe15e5c77eb20017a8a59dc
59 changes: 37 additions & 22 deletions pgml-extension/src/api.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -264,37 +264,52 @@ fn train_joint(
);

let mut deploy = true;

match automatic_deploy {
// Deploy only if metrics are better than previous model.
Some(true) | None => {
if let Ok(Some(deployed_metrics)) = deployed_metrics {
let deployed_metrics = deployed_metrics.0.as_object().unwrap();
let deployed_metric = deployed_metrics
.get(&project.task.default_target_metric())
.unwrap()
.as_f64()
.unwrap();
info!(
"Comparing to deployed model {}: {:?}",
project.task.default_target_metric(),
deployed_metric
);
if project.task.value_is_better(
deployed_metric,
new_metrics
.get(&project.task.default_target_metric())
.unwrap()
.as_f64()
.unwrap(),
) {
if let Some(deployed_metrics_obj) = deployed_metrics.0.as_object() {
let default_target_metric = project.task.default_target_metric();
let deployed_metric = deployed_metrics_obj
.get(&default_target_metric)
.and_then(|v| v.as_f64());
info!(
"Comparing to deployed model {}: {:?}",
default_target_metric, deployed_metric
);
if let (Some(deployed_metric_value), Some(new_metric_value)) = (
deployed_metric,
new_metrics.get(&default_target_metric).and_then(|v| v.as_f64()),
) {
if project.task.value_is_better(deployed_metric_value, new_metric_value) {
warning!(
"New model's {} is not better than old model: {} is not better than {}",
&project.task.default_target_metric(),
new_metric_value,
deployed_metric_value
);
deploy = false;
}
} else {
warning!("Failed to retrieve or parse deployed/new metrics for {}. Ensure train/test split results in both positive and negative label records.",
&project.task.default_target_metric());
deploy = false;
}
} else {
warning!("Failed to parse deployed model metrics. Ensure train/test split results in both positive and negative label records.");
deploy = false;
}
} else {
warning!("Failed to obtain currently deployed model metrics. Check if the deployed model metrics are available and correctly formatted.");
deploy = false;
}
}

Some(false) => deploy = false,
Some(false) => {
warning!("Automatic deployment disabled via configuration.");
deploy = false;
}
};

if deploy {
project.deploy(model.id, Strategy::new_score);
} else {
Expand Down