date filter adding tag even if match fails and @timestamp not updated

Description

Logstash is adding the dated tag so, according to the docs, the date filter succeeded. Yet, @timestamp is still ms-resolution and clearly has not been updated from timestamp when we see logstash catch up on old log items.

Config in client:

Example record sent to output:

Environment

None

Status

Assignee

Philippe Weber

Reporter

Garth Kidd

Labels

Fix versions

Affects versions

Priority

Configure