Haley Wang d5170723ea lib/storage: prefer numerical values over stale markers when samples share the same timestamp during deduplication ...

Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/10196

Prefer the non StaleNaN  value when both StaleNaN and non-StaleNaN samples share the timestamp during deduplication(downsampling). The scenario can occur when:
1. Multiple vmagent instances scrape the same target(without -promscrape.cluster.name flag), one instance fails to scrape due to issues such as network, while others succeed.
2. Multiple vmalert instances evaluate the same recording rule, with one instance receiving a partial response while others receive a complete response.

In both cases, since the samples share the same timestamp and represent the metric state at that moment,
the non-StaleNaN value is entirely valid, whereas the StaleNaN could be caused by other unknown issues.
Therefore, it is reasonable to prioritize the non-StaleNaN value.

2026-01-16 09:28:28 +02:00

..

testdata/prometheus

apptest/vmctl: migrate vmctl test for the prometheus migration process (#9047)

2025-06-04 17:01:26 +02:00

backup_restore_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00

dedup_test.go

lib/storage: prefer numerical values over stale markers when samples share the same timestamp during deduplication

2026-01-16 09:28:28 +02:00

export_import_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00

graphite_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00

ingestprotocols_test.go

apptest: add zabbixconnector integration test

2026-01-06 12:27:59 +01:00

key_concepts_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00

legacy_indexdb_test.go

lib/storage: implement partition index (#8134)

2025-12-24 19:13:49 +01:00

maxingestionrate_test.go

app/vminsert: support for rate limiting number of samples/sec with -maxIngestionRate

2024-12-23 19:45:40 +01:00

metric_names_stats_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00

metricsmetadata_test.go

lib/prompb: rename MetricMetadataType to MetricType

2025-12-10 01:19:06 +01:00

metricsql_test.go

app/{vmstorage,vmselect,vminsert}: introduce metrics metadata storage

2025-11-14 10:12:15 +01:00

multilevel_test.go

Spelling and Markdown Standards

2025-08-18 22:55:53 +02:00

multitenant_test.go

apptest: consistently use lib/fs.MustRemoveDir() instead of os.RemoveAll()

2025-07-25 20:31:14 +02:00

per_day_index_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00

prometheus_mock_storage.go

apptest/vmctl: implement integration tests for the remote read protocol (#9164)

2025-06-16 07:16:03 +02:00

query_resource_limit_test.go

apptest: consistently use lib/fs.MustRemoveDir() instead of os.RemoveAll()

2025-07-25 20:31:14 +02:00

relabeling_test.go

app/{vmstorage,vmselect,vminsert}: introduce metrics metadata storage

2025-11-14 10:12:15 +01:00

remote_read_server.go

apptest/vmctl: implement integration tests for the remote read protocol (#9164)

2025-06-16 07:16:03 +02:00

replication_test.go

app/{vmstorage,vmselect,vminsert}: introduce metrics metadata storage

2025-11-14 10:12:15 +01:00

rollup_result_cache_test.go

apptest: consistently use lib/fs.MustRemoveDir() instead of os.RemoveAll()

2025-07-25 20:31:14 +02:00

sharding_test.go

spelling and grammar fixes via codespell (#8497)

2025-03-17 16:38:11 +01:00

snapshot_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00

special_query_regression_test.go

lib/storage: include last sample when query at the last millisecond of the day

2025-12-12 11:01:31 +01:00

vmagent_remotewrite_test.go

vmagent: add /remotewrite-relabel-config and `/remotewrite-url-rela… (#9722)

2025-10-27 13:54:28 +01:00

vmauth_routing_test.go

apptest: Add vmauth use proxy protocol integration test (#9556)

2025-08-11 15:50:29 +03:00

vmctl_native_migration_test.go

apptest: consistently use lib/fs.MustRemoveDir() instead of os.RemoveAll()

2025-07-25 20:31:14 +02:00

vmctl_prometheus_migration_test.go

apptest: consistently use lib/fs.MustRemoveDir() instead of os.RemoveAll()

2025-07-25 20:31:14 +02:00

vmctl_remote_read_mogration_test.go

apptest: do not use "at" and "pb" import aliases for apptest and prombpmarshal packages

2025-07-26 01:07:26 +02:00