[AMBARI-12313] Service config pages load extremely slowly (especially on big clusters)

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.0
• Component/s: ambari-web
• Assignee: Andrii Tkach
• Reporter: Andrii Tkach
• Created: 07/Jul/15 13:43
• Updated: 07/Jul/15 21:09
• Resolved: 07/Jul/15 18:06

Description

The following load time of the service config pages were observed on a 800+ node cluster:

HDFS: 36s
MAPREDUCE2: 32s
YARN: 35s
HIVE: 32s
HBASE: 30s

Ambari Web makes a number of API calls, but majority of the time is spent on UI-side processing. We need to see what we can optimize.