[AMBARI-12717] Ambari UI with 10K+ alerts on the cluster becomes unresponsive after opening alerts popup

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.1
• Fix Version/s: 2.1.2
• Component/s: ambari-web

Environment

Hosts - 1000
Services - HDFS, MR2+Y, HBASE, ZK, Ambari Metrics, SmartSense (almost all are stopped)
Alert Definitions ~140
Alert Group ~500
Alert Notifications ~100
Alerts ~10000

• Assignee: Oleg Nechiporenko
• Reporter: Oleg Nechiporenko
• Created: 11/Aug/15 09:40
• Updated: 12/Aug/15 14:23
• Resolved: 11/Aug/15 09:49

Description

Open some Alert Definition details page (Instances table should have 100 records)
Click on the Alerts badge on the top of the page
Popup with Alerts appears after huge delay
Try to change displayLength to 100 and switch pages
After some time page is crashed