[Lens] Random sampling

[flash1293]

Fixes #142958

Adds random sampling to Lens

[kibana-ci]

💔 Build Failed

• Buildkite Build
• Commit: 252d303
• Interpreting CI Failures

Failed CI Steps

• Jest Tests #10

Test Failures

• [job] [logs] Jest Tests #10 / Aggs service setup() instantiates a new registry
• [job] [logs] Jest Tests #10 / AggsService - public setup() registers custom agg types
• [job] [logs] Jest Tests #10 / AggsService - public setup() registers default agg types

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
data	520	522	+2

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
data	2513	2520	+7
lens	565	566	+1
total			+8

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
lens	1.3MB	1.3MB	+1.3KB

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
data	437.0KB	439.0KB	+1.9KB

Unknown metric groups

API count

id	before	after	diff
data	3221	3230	+9
lens	656	657	+1
total			+10

History

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@elasticmachine merge upstream