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avoid creating duplicate unbacked spans when we see extra statements (#2145)

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This commit is contained in:
Robert Habermeier
2020-12-18 18:53:35 -05:00
committed by GitHub
parent fa1eafb536
commit 3e7b3ff4b5
1 changed files with 15 additions and 14 deletions
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polkadot/node/core/backing/src/lib.rs
+15 -14
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@@ -373,7 +373,7 @@ struct BackgroundValidationParams<F> {
pov: Option<Arc<PoV>>,
validator_index: Option<ValidatorIndex>,
n_validators: usize,
span: JaegerSpan,
span: Option<JaegerSpan>,
make_command: F,
}
@@ -395,7 +395,7 @@ async fn validate_and_make_available(
let pov = match pov {
Some(pov) => pov,
None => {
let _span = span.child("request-pov");
let _span = span.as_ref().map(|s| s.child("request-pov"));
request_pov_from_distribution(
&mut tx_from,
relay_parent,
@@ -405,7 +405,7 @@ async fn validate_and_make_available(
};
let v = {
let _span = span.child("request-validation");
let _span = span.as_ref().map(|s| s.child("request-validation"));
request_candidate_validation(&mut tx_from, candidate.descriptor.clone(), pov.clone()).await?
};
@@ -423,7 +423,7 @@ async fn validate_and_make_available(
);
Err(candidate)
} else {
let _span = span.child("make-available");
let _span = span.as_ref().map(|s| s.child("make-available"));
let erasure_valid = make_pov_available(
&mut tx_from,
validator_index,
@@ -594,8 +594,7 @@ impl CandidateBackingJob {
let candidate_hash = candidate.hash();
self.add_unbacked_span(&parent_span, candidate_hash);
let span = self.get_unbacked_validation_child(&candidate_hash)
.expect("just added unbacked span; qed");
let span = self.get_unbacked_validation_child(&candidate_hash);
self.background_validate_and_make_available(BackgroundValidationParams {
tx_from: self.tx_from.clone(),
@@ -758,7 +757,7 @@ impl CandidateBackingJob {
async fn kick_off_validation_work(
&mut self,
summary: TableSummary,
span: JaegerSpan,
span: Option<JaegerSpan>,
) -> Result<(), Error> {
let candidate_hash = summary.candidate;
@@ -808,8 +807,7 @@ impl CandidateBackingJob {
if let Statement::Seconded(_) = statement.payload() {
self.add_unbacked_span(parent_span, summary.candidate);
if Some(summary.group_id) == self.assignment {
let span = self.get_unbacked_validation_child(&summary.candidate)
.expect("just created unbacked span; qed");
let span = self.get_unbacked_validation_child(&summary.candidate);
self.kick_off_validation_work(summary, span).await?;
}
@@ -848,11 +846,14 @@ impl CandidateBackingJob {
}
fn add_unbacked_span(&mut self, parent_span: &JaegerSpan, hash: CandidateHash) {
self.unbacked_candidates.entry(hash).or_insert_with(|| {
let mut span = parent_span.child("unbacked-candidate");
span.add_string_tag("candidate-hash", &format!("{:?}", hash.0));
span
});
if !self.backed.contains(&hash) {
// only add if we don't consider this backed.
self.unbacked_candidates.entry(hash).or_insert_with(|| {
let mut span = parent_span.child("unbacked-candidate");
span.add_string_tag("candidate-hash", &format!("{:?}", hash.0));
span
});
}
}
fn get_unbacked_validation_child(&self, hash: &CandidateHash) -> Option<JaegerSpan> {