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app/vmselect: log the total available memory for concurrent requests on not enough memory errors

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This should simplify root cause analysis
This commit is contained in:
Aliaksandr Valialkin 2020-07-20 19:51:00 +03:00
parent ad6290953c
commit b9c8f6bf34
1 changed files with 2 additions and 1 deletions
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3
app/vmselect/promql/eval.go
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@ -686,9 +686,10 @@ func evalRollupFuncWithMetricExpr(ec *EvalConfig, name string, rf rollupFunc,
if !rml.Get(uint64(rollupMemorySize)) {
rss.Cancel()
return nil, fmt.Errorf("not enough memory for processing %d data points across %d time series with %d points in each time series; "+
"total available memory for concurrent requests: %d bytes; "+
"possible solutions are: reducing the number of matching time series; switching to node with more RAM; "+
"increasing -memory.allowedPercent; increasing `step` query arg (%gs)",
rollupPoints, timeseriesLen*len(rcs), pointsPerTimeseries, float64(ec.Step)/1e3)
rollupPoints, timeseriesLen*len(rcs), pointsPerTimeseries, rml.MaxSize, float64(ec.Step)/1e3)
}
defer rml.Put(uint64(rollupMemorySize))