[SOLR-8856] Do not cache merge or 'read once' contexts in the hdfs block cache.

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.1, 7.0
• Assignee: Mark Miller
• Reporter: Mark Miller
• Created: 16/Mar/16 14:03
• Updated: 17/Jun/16 13:11
• Resolved: 01/Apr/16 14:41

Description

Generally the block cache will not be large enough to contain the whole index and merges can thrash the cache for queries. Even if we still look in the cache, we should not populate it.