mirror of
https://github.com/elastic/kibana.git
synced 2025-06-27 10:40:07 -04:00
Your window into the Elastic Stack
d536f85005
## Summary This PR implements support for Lens chart fetches across Discover tabs, and restoring chart state when returning to a tab. The Lens embeddable does not currently support continuing data fetching after it's been unmounted, or fully support restoring chart state using previously fetched data. The Vis team is aware of this request, but in the meantime we're using an alternative approach that keeps Lens charts rendered in memory for each tab that's been visited at least once. This allows fetches to run in the background and displays the resulting chart when switching back to tabs. Doing this involved some refactoring to both Discover and Unified Histogram: - Create a `ChartPortalsRenderer` wrapper component in Discover to lift chart rendering high up in the React tree and render charts into [reverse portals](https://github.com/httptoolkit/react-reverse-portal), ensuring charts are not remounted when switching tabs and continue to be rendered after switching away from a tab. - Refactor Unified Histogram from a single "container" component into three pieces: a `UnifiedHistogramLayout` component, a `UnifiedHistogramChart` component, and a `useUnifiedHistogram` hook to tie things together. This approach allows us to render the chart and hook separately (in a reverse portal) from the layout, making it possible to separate the lifecycle of both components without keeping the rest of Discover's components in memory after switching tabs. - **Important note:** This change had the side effect of bloating the Unified Histogram page load bundle since we're now exporting a static hook that isn't dynamically imported. We could have worked around this by getting creative with dynamic imports, but doing that seemed hacky. Instead I decided now was a good time to split Unified Histogram out into a package in order to support tree shaking, which also has the added benefits of one fewer plugins to load on startup, and simplifying the Discover async bundles. There is one flaw with this approach: the `useDiscoverHistogram` hook currently depends on global services for retrieving the current query and filters (including global filters) through the `useQuerySubscriber` hook. This means the values can become out of sync in inactive tabs when the user modifies them in the current tab. In practice this doesn't seem to have an effect in most cases since we don't trigger new fetches in inactive tabs, and sync the the current tab values to the global services when switching back to a tab. However, we should still fix this for the MVP with an approach that doesn't leak state since the current approach is brittle. I avoided doing that in this PR since it would likely cause more conflicts with #217706, and that PR may introduce a solution to the issue anyway (syncing global state to the redux store, which we can rely on in the hook instead). Resolves #216475. ### Checklist - [ ] Any text added follows [EUI's writing guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses sentence case text and includes [i18n support](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md) - [ ] [Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html) was added for features that require explanation or tutorials - [ ] [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 - [ ] If a plugin configuration key changed, check if it needs to be allowlisted in the cloud and added to the [docker list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker) - [x] This was checked for breaking HTTP API changes, and any breaking changes have been approved by the breaking-change committee. The `release_note:breaking` label should be applied in these situations. - [ ] [Flaky Test Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was used on any tests changed - [x] The PR description includes the appropriate Release Notes section, and the correct `release_note:*` label is applied per the [guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process) --------- Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com> |
||
|---|---|---|
| .buildkite | ||
| .devcontainer | ||
| .github | ||
| api_docs | ||
| config | ||
| dev_docs | ||
| docs | ||
| examples | ||
| kbn_pm | ||
| legacy_rfcs | ||
| licenses | ||
| oas_docs | ||
| packages | ||
| plugins | ||
| scripts | ||
| src | ||
| typings | ||
| x-pack | ||
| .backportrc.json | ||
| .bazelignore | ||
| .bazeliskversion | ||
| .bazelrc | ||
| .bazelrc.common | ||
| .bazelversion | ||
| .browserslistrc | ||
| .editorconfig | ||
| .eslintignore | ||
| .eslintrc.js | ||
| .gitattributes | ||
| .gitignore | ||
| .i18nrc.json | ||
| .node-version | ||
| .npmrc | ||
| .nvmrc | ||
| .prettierignore | ||
| .prettierrc | ||
| .puppeteerrc | ||
| .stylelintignore | ||
| .stylelintrc | ||
| .telemetryrc.json | ||
| .yarnrc | ||
| BUILD.bazel | ||
| catalog-info.yaml | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| FAQ.md | ||
| fleet_packages.json | ||
| github_checks_reporter.json | ||
| kibana.d.ts | ||
| LICENSE.txt | ||
| NOTICE.txt | ||
| package.json | ||
| preinstall_check.js | ||
| README.md | ||
| renovate.json | ||
| RISK_MATRIX.mdx | ||
| run_fleet_setup_parallel.sh | ||
| SECURITY.md | ||
| sonar-project.properties | ||
| STYLEGUIDE.mdx | ||
| tsconfig.base.json | ||
| tsconfig.browser.json | ||
| tsconfig.browser_bazel.json | ||
| tsconfig.json | ||
| TYPESCRIPT.md | ||
| updatecli-compose.yaml | ||
| versions.json | ||
| WORKSPACE.bazel | ||
| yarn.lock | ||
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.