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The issue was in the `labels := dst[offset:]` line in the beginning of appendExtraLabels() function. The `dst` may be re-allocated when adding extra labels to it. In this case the addition of `exported_` prefix to labels inside `labels` slice become invisible in the returned `dst` labels. While at it, properly handle some corner cases: - Add additional `exported_` prefix to clashing metric labels with already existing `exported_` prefix. - Store scraped metric names in `exported___name__` label if scrape target contains `__name__` label. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3278 Thanks to @jplanckeel for the initial attempt to fix this issue at https://github.com/VictoriaMetrics/VictoriaMetrics/pull/3281 |
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| .. | ||
| discovery | ||
| discoveryutils | ||
| testdata | ||
| client.go | ||
| config.go | ||
| config_test.go | ||
| scraper.go | ||
| scrapework.go | ||
| scrapework_test.go | ||
| scrapework_timing_test.go | ||
| statconn.go | ||
| targetstatus.go | ||
| targetstatus.qtpl | ||
| targetstatus.qtpl.go | ||