[SOLR-13897] Unsafe publication of Terms object in ZkShardTerms

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 8.2, 8.3
• Fix Version/s: 8.5, 9.0
• Component/s: SolrCloud
• Assignee: Shalin Shekhar Mangar
• Reporter: Shalin Shekhar Mangar
• Created: 05/Nov/19 13:32
• Updated: 24/Mar/20 12:45
• Resolved: 27/Jan/20 06:40

Description

The Terms object in ZkShardTerms is written using a write lock but reading is allowed freely. This is not safe and can cause visibility issues and associated race conditions under contention.