[SOLR-7840] ZkStateReader.updateClusterState fetches watched collections twice from ZK

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.10.4, 5.2.1
• Fix Version/s: 5.3, 6.0
• Component/s: SolrCloud
• Labels: difficulty-easy impact-low
• Assignee: Shalin Shekhar Mangar
• Reporter: Shalin Shekhar Mangar
• Created: 28/Jul/15 14:41
• Updated: 09/May/16 18:44
• Resolved: 29/Jul/15 12:45

Description

ZkStateReader.updateClusterState fetches watched collections once during constructState and then again after re-acquiring the update lock.

Fetching the watched collections live from ZK once is enough.