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prometheus/pkg/textparse
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beorn7 c35f138a9a Be more specific when identifying a sparse histogram 
It's a prefectly valid use case to have a sparse histogram with a zero
threshold of zero (i.e. only observations of exactly zero go into the
zero bucket). Even if the current PoC implementation of client_golang
doesn't allow that, such a case should be ingested properly.

However, there is now the edge case af a sparse histogram with a zero
threshold of zero and no observations yet. Such a histogram would look
the same if it was meant to be a conventional histogram. For now, we
ingest this case as a conventional histogram, but the final format
should have means to unambiguously express if a histogram is meant to
be ingested as a sparse histogram or as a conventional histogram.

Signed-off-by: beorn7 <beorn@grafana.com>
2021-07-19 19:58:04 +02:00
..
interface.go Hacky implementation of protobuf parsing 2021-07-01 01:35:11 +02:00
openmetricslex.l Fix golint issues. 2020-03-23 20:38:43 +01:00
openmetricslex.l.go Fix golint issues. 2020-03-23 20:38:43 +01:00
openmetricsparse.go Hacky implementation of protobuf parsing 2021-07-01 01:35:11 +02:00
openmetricsparse_test.go Add tests for protobuf parser 2021-07-09 21:00:18 +02:00
promlex.l Prepare for multiple text formats 2018-10-18 13:58:00 +01:00
promlex.l.go Add exemplar support to the openmetrics parser (#6292) 2019-11-19 09:33:30 +00:00
promparse.go Hacky implementation of protobuf parsing 2021-07-01 01:35:11 +02:00
promparse_test.go Testify: move to require (#8122) 2020-10-29 09:43:23 +00:00
promtestdata.nometa.txt Add an OpenMetrics parser. 2018-10-18 13:58:00 +01:00
promtestdata.txt Add an OpenMetrics parser. 2018-10-18 13:58:00 +01:00
protobufparse.go Be more specific when identifying a sparse histogram 2021-07-19 19:58:04 +02:00
protobufparse_test.go protobufparse: Add support for remaining types 2021-07-13 20:01:44 +02:00
README.md Add a README.md to textparse package about how to update lexers. 2019-10-23 23:55:42 -07:00

README.md

Making changes to textparse lexers

In the rare case that you need to update the textparse lexers, edit promlex.l or openmetricslex.l and then run the following command: golex -o=promlex.l.go promlex.l

Note that you need golex installed: go get -u modernc.org/golex