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Your window into the Elastic Stack
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## Summary This is a farewell PR to Cases. Probably my last PR to the cases codebase. It was quite a journey, and I learned a lot. I hope the best for the feature of Cases. ## Decisions Just before Cases was forbidden to do migrations, we did a last migration to all cases to persist `total_alerts: -1` and `total_comments: -1`. We did that so that in the future, when we would want to populate the fields, we would know which cases have their fields populated and which do not. In this PR, due to time constraints and criticality of the feature, I took the following decisions: - Cases return from their APIs the total comments and alerts of each case. They do that by doing an aggregation, getting the counts, and merging them with the response. I did not change that behavior. In following PRs, it can be optimized and fetch the stats only for cases that do not yet have their stats populated (cases with -1 in the counts) - When a case is created, the counts are zero. - When a comment or alert is added, I do an aggregation to get the stats (total alerts and comments) of the current case, and then update the counters with the number of the newly created attachments. The case is updated without version checks. In race conditions, where an attachment is being added before updating the case, the numbers could be off. This is a deliberate choice. It can be fixed later with retries and version concurrency control. - The case service will continue to not return the `total_alerts` and `total_comments`. - The case service will accept the `total_alerts` and `total_comments` attributes to be able to set them. Fixes: https://github.com/elastic/kibana/issues/217636 cc @michaelolo24 ### Checklist Check the PR satisfies following conditions. Reviewers should verify this PR satisfies this list as well. - [x] [Unit or functional tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html) were updated or added to match the most common scenarios |
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Kibana
Kibana is your window into the Elastic Stack. Specifically, it's a browser-based analytics and search dashboard for Elasticsearch.
- Getting Started
- Documentation
- Version Compatibility with Elasticsearch
- Questions? Problems? Suggestions?
Getting Started
If you just want to try Kibana out, check out the Elastic Stack Getting Started Page to give it a whirl.
If you're interested in diving a bit deeper and getting a taste of Kibana's capabilities, head over to the Kibana Getting Started Page.
Using a Kibana Release
If you want to use a Kibana release in production, give it a test run, or just play around:
- Download the latest version on the Kibana Download Page.
- Learn more about Kibana's features and capabilities on the Kibana Product Page.
- We also offer a hosted version of Kibana on our Cloud Service.
Building and Running Kibana, and/or Contributing Code
You might want to build Kibana locally to contribute some code, test out the latest features, or try out an open PR:
- CONTRIBUTING.md will help you get Kibana up and running.
- If you would like to contribute code, please follow our STYLEGUIDE.mdx.
- For all other questions, check out the FAQ.md and wiki.
Documentation
Visit Elastic.co for the full Kibana documentation.
For information about building the documentation, see the README in elastic/docs.
Version Compatibility with Elasticsearch
Ideally, you should be running Elasticsearch and Kibana with matching version numbers. If your Elasticsearch has an older version number or a newer major number than Kibana, then Kibana will fail to run. If Elasticsearch has a newer minor or patch number than Kibana, then the Kibana Server will log a warning.
Note: The version numbers below are only examples, meant to illustrate the relationships between different types of version numbers.
| Situation | Example Kibana version | Example ES version | Outcome |
|---|---|---|---|
| Versions are the same. | 7.15.1 | 7.15.1 | 💚 OK |
| ES patch number is newer. | 7.15.0 | 7.15.1 | ⚠️ Logged warning |
| ES minor number is newer. | 7.14.2 | 7.15.0 | ⚠️ Logged warning |
| ES major number is newer. | 7.15.1 | 8.0.0 | 🚫 Fatal error |
| ES patch number is older. | 7.15.1 | 7.15.0 | ⚠️ Logged warning |
| ES minor number is older. | 7.15.1 | 7.14.2 | 🚫 Fatal error |
| ES major number is older. | 8.0.0 | 7.15.1 | 🚫 Fatal error |
Questions? Problems? Suggestions?
- If you've found a bug or want to request a feature, please create a GitHub Issue. Please check to make sure someone else hasn't already created an issue for the same topic.
- Need help using Kibana? Ask away on our Kibana Discuss Forum and a fellow community member or Elastic engineer will be glad to help you out.