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[APM] Avoid negative offset for error marker on timeline #76638

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sorenlouv
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Sometimes the error marker is positioned too far to the left - either completely out of view, or sometimes just within view but hidden behind the new collapse controls so it cannot be interacted with:
bug-error-tooltip-timeline

Negative offset

The problem is caused by a negative offset. Due to timing issues the RUM agent might send errors that (according to their timestamp) occur before their parent transaction.

Transaction timestamp:

Error timestamp:

Solution

The fix is to simply clamp negative offsets to zero.

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@sorenlouv sorenlouv requested a review from a team as a code owner September 3, 2020 13:39
@botelastic botelastic bot added the Team:APM All issues that need APM UI Team support label Sep 3, 2020
@elasticmachine
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Pinging @elastic/apm-ui (Team:apm)

@sorenlouv
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retest

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@smith smith left a comment

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Looks great. 👍 once checks pass.

@sorenlouv
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@elasticmachine merge upstream

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💚 Build Succeeded

Build metrics

async chunks size

id value diff baseline
apm 4.9MB +24.0B 4.9MB

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To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

@sorenlouv sorenlouv merged commit fae1e02 into elastic:master Sep 4, 2020
@sorenlouv sorenlouv deleted the timeline-error-marker-avoid-negative-offset branch September 4, 2020 04:51
jloleysens added a commit to jloleysens/kibana that referenced this pull request Sep 4, 2020
…rok/new-patterns-component-use-array

* 'master' of github.com:elastic/kibana: (75 commits)
  Remove legacy ui-apps-mixin (elastic#76604)
  remove unused test_utils (elastic#76528)
  [ML] Functional tests - add UI permission tests (elastic#76368)
  [APM] @ts-error -> @ts-expect-error (elastic#76492)
  [APM] Avoid negative offset for error marker on timeline (elastic#76638)
  [Reporting] rename interfaces to align with task manager integration (elastic#76716)
  Revert back ESO migration for alerting, added try/catch logic to avoid failing Kibana on start (elastic#76220)
  Test reverting "Add plugin status API (elastic#75819)" (elastic#76707)
  [Security Solution][Detections] Removes ML Job Settings SIEM copy and fixes link to ML app for creating custom jobs (elastic#76595)
  [Maps] remove region/coordinate-maps visualizations from sample data (elastic#76399)
  [DOCS] Dashboard-first docs refresh (elastic#76194)
  Updated ServiceNow description in docs and actions management UI to contains correct info (elastic#76344)
  [DOCS] Identifies cloud settings in reporting (elastic#76691)
  [Security Solution] Refactor timeline details to use search strategy (elastic#75591)
  es-archiver: Drop invalid index settings, support --query flag  (elastic#76522)
  [DOCS] Identifies graph settings available on cloud (elastic#76661)
  Add more info about a11y tests (elastic#76045)
  [data.search.SearchSource] Remove legacy ES client APIs. (elastic#75943)
  [release notes] automatically retry on Github API 5xx errors (elastic#76447)
  [es_ui_shared] Fix eslint exhaustive deps rule (elastic#76392)
  ...
sorenlouv added a commit that referenced this pull request Sep 4, 2020
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4 participants