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Description
Description
👋 howdy, team!
Will you kindly consider having ILM Explain report (time_since_index_rollover, index_rollover_date_millis)?
We'd like to reduce users' manual steps to validate its age column calculation (as time since rollover fallback index creation).
Currently users have to review Cluster logs / ILM History index to see when index rolled over (if they have history back far enough). Otherwise, AFAICT they have no way to validate potential concerns on / backtrack how this column has calculated.
# GET _all/_ilm/explain | jq '.indices.".ds-metricbeat-8.10.1-2023.11.19-000003"|del(.phase_execution)'
{
"action": "complete",
"action_time_millis": 1703008092553,
"age": "1.97d",
"index": ".ds-metricbeat-8.10.1-2023.11.19-000003",
"index_creation_date_millis": 1700415491342,
+ "index_rollover_date_millis": 1700501891000,
"lifecycle_date_millis": 1703008091326,
"managed": true,
"phase": "hot",
"phase_time_millis": 1700415491734,
"policy": "metricbeat", # had rollover at 30d
"step": "complete",
"step_time_millis": 1703008092553,
"time_since_index_creation": "31.98d"
+ "time_since_index_rollover": "30.01d"
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