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rules: Consider ErrTooOldSample in expected errors 

Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>
This commit is contained in:
Ganesh Vernekar 2022-12-27 18:45:32 +05:30
parent 40ce0c8553
commit f1a332c496
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GPG Key ID: F056451B52F1DC34
1 changed files with 13 additions and 2 deletions
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15
rules/manager.go
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@ -649,6 +649,7 @@ func (g *Group) Eval(ctx context.Context, ts time.Time) {
} }
var ( var (
numOutOfOrder = 0 numOutOfOrder = 0
numTooOld = 0
numDuplicates = 0 numDuplicates = 0
) )
@ -680,6 +681,9 @@ func (g *Group) Eval(ctx context.Context, ts time.Time) {
case errors.Is(unwrappedErr, storage.ErrOutOfOrderSample): case errors.Is(unwrappedErr, storage.ErrOutOfOrderSample):
numOutOfOrder++ numOutOfOrder++
level.Debug(g.logger).Log("name", rule.Name(), "index", i, "msg", "Rule evaluation result discarded", "err", err, "sample", s) level.Debug(g.logger).Log("name", rule.Name(), "index", i, "msg", "Rule evaluation result discarded", "err", err, "sample", s)
case errors.Is(unwrappedErr, storage.ErrTooOldSample):
numTooOld++
level.Debug(g.logger).Log("name", rule.Name(), "index", i, "msg", "Rule evaluation result discarded", "err", err, "sample", s)
case errors.Is(unwrappedErr, storage.ErrDuplicateSampleForTimestamp): case errors.Is(unwrappedErr, storage.ErrDuplicateSampleForTimestamp):
numDuplicates++ numDuplicates++
level.Debug(g.logger).Log("name", rule.Name(), "index", i, "msg", "Rule evaluation result discarded", "err", err, "sample", s) level.Debug(g.logger).Log("name", rule.Name(), "index", i, "msg", "Rule evaluation result discarded", "err", err, "sample", s)
@ -694,6 +698,9 @@ func (g *Group) Eval(ctx context.Context, ts time.Time) {
if numOutOfOrder > 0 { if numOutOfOrder > 0 {
level.Warn(g.logger).Log("name", rule.Name(), "index", i, "msg", "Error on ingesting out-of-order result from rule evaluation", "numDropped", numOutOfOrder) level.Warn(g.logger).Log("name", rule.Name(), "index", i, "msg", "Error on ingesting out-of-order result from rule evaluation", "numDropped", numOutOfOrder)
} }
if numTooOld > 0 {
level.Warn(g.logger).Log("name", rule.Name(), "index", i, "msg", "Error on ingesting too old result from rule evaluation", "numDropped", numTooOld)
}
if numDuplicates > 0 { if numDuplicates > 0 {
level.Warn(g.logger).Log("name", rule.Name(), "index", i, "msg", "Error on ingesting results from rule evaluation with different value but same timestamp", "numDropped", numDuplicates) level.Warn(g.logger).Log("name", rule.Name(), "index", i, "msg", "Error on ingesting results from rule evaluation with different value but same timestamp", "numDropped", numDuplicates)
} }
@ -708,7 +715,9 @@ func (g *Group) Eval(ctx context.Context, ts time.Time) {
} }
switch { switch {
case unwrappedErr == nil: case unwrappedErr == nil:
case errors.Is(unwrappedErr, storage.ErrOutOfOrderSample), errors.Is(unwrappedErr, storage.ErrDuplicateSampleForTimestamp): case errors.Is(unwrappedErr, storage.ErrOutOfOrderSample),
errors.Is(unwrappedErr, storage.ErrTooOldSample),
errors.Is(unwrappedErr, storage.ErrDuplicateSampleForTimestamp):
// Do not count these in logging, as this is expected if series // Do not count these in logging, as this is expected if series
// is exposed from a different rule. // is exposed from a different rule.
default: default:
@ -738,7 +747,9 @@ func (g *Group) cleanupStaleSeries(ctx context.Context, ts time.Time) {
} }
switch { switch {
case unwrappedErr == nil: case unwrappedErr == nil:
case errors.Is(unwrappedErr, storage.ErrOutOfOrderSample), errors.Is(unwrappedErr, storage.ErrDuplicateSampleForTimestamp): case errors.Is(unwrappedErr, storage.ErrOutOfOrderSample),
errors.Is(unwrappedErr, storage.ErrTooOldSample),
errors.Is(unwrappedErr, storage.ErrDuplicateSampleForTimestamp):
// Do not count these in logging, as this is expected if series // Do not count these in logging, as this is expected if series
// is exposed from a different rule. // is exposed from a different rule.
default: default: