Can we migrate rollup index and rollup job from Kibana 6.5 to 7.5?

Currently we are using Kibana 6.5.4 and have data worth 90 days which we are planning to rollup each day. However, in the coming months, we are planning to move to Kibana 7.5.0
Once we move, we plan to reindex data indexed in the old version to the new version. However, since currently, rollup job creates and adds data to only 1 rollup index, how do we migrate the already rolled up index and the rollup job to the new version once we migrate to Kibana 7.5.0?

Since you're wanting to reindex your other data (rather than an in-place upgrade), I think the easiest migration path would be a reindex for the rollup data as well.

  1. Create an identical rollup job in the new cluster. This will recreate the job, as well as the rollup index with appropriate mappings/settings/metadata
  2. Reindex the old rollup data into the newly created index. This will migrate over the data, and won't conflict with any data in the new index because Rollup uses deterministic document IDs.

And that should do it :slight_smile:

Thanks @polyfractal !

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