Promtail not scraping single line log (log content having NO newline)

Grafana Loki
1

While working I observed that Promtail not scraping single line log (log content having NO newline).

For example, a log file having only below content (a single line json with NO newline char) is “SEEKED” but data is not sent to Loki
{“executionId”:191,“nodes”:“10.0.27.15”}

But if I add a newline char at the end of this json line, data is rightfully sent to loki.

While testing I tried both JSON pipeline stage and no stage.

1 Like
2

This is expected behaviour; promtail tails the files and splits by newlines.

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3

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