[O11y][Hadoop] Lens Migration

[harnish-elastic]

Manually migrate Hadoop visualizations to lens in kibana version 8.3.0.

Preparation of data for testing

• Use sample_event.json / setup live instance using docker / mock data using mock server to populate dashboards

Migration stats

Hadoop dashboards	Before Migration		After Migration
	Lens	Visualization	Lens	Visualization
[Metrics Hadoop] Applications	0	7	7	0
[Metrics Hadoop] Cluster overview	0	8	8	0
[Metrics Hadoop] Data nodes	6	3	9	0
[Metrics Hadoop] Node Manager	0	3	3	0
	6	21	27	0

Dashboard: [Metrics Hadoop] Applications

• Migrate 7 visualizations to the lens
  • [O11y][Hadoop] Migrate application dashboard visualizations to lens in kibana 8.3.0 #5607
  • [O11y][Hadoop] Lens migration for visualizations to kibana version 8.3.0 #5503

Dashboard : [Metrics Hadoop] Cluster overview

• Migrate 8 visualizations to the lens
  • [O11y][Hadoop] Migrate Cluster dashboard visualizations to lens in kibana 8.3.0 #5606
  • [O11y][Hadoop] Lens migration for visualizations to kibana version 8.3.0 #5503

Dashboard : [Metrics Hadoop] Node Manager

• Migrate 3 visualizations to the lens
  • [O11y][Hadoop] Migrate node_manager and data_node dashboards visualizations to lens in kibana 8.3.0 #5605
  • [O11y][Hadoop] Lens migration for visualizations to kibana version 8.3.0 #5503

Dashboard : [Metrics Hadoop] Data nodes

• Migrate 3 visualization to the lens
  • [O11y][Hadoop] Migrate node_manager and data_node dashboards visualizations to lens in kibana 8.3.0 #5605
  • [O11y][Hadoop] Lens migration for visualizations to kibana version 8.3.0 #5503

Verification and Validation

• Verification of functionality remains the same after migration in kibana
• Verification of data count of after-migrated visualization with before-migrated visualization in kibana
• Verification of Dashboard are not distorted in supported kibana version (8.3.0)

[kush-elastic]

PR is approved and merged, hence closing this issue
#5605
#5606
#5607