Daniel Lowe created SOLR-12755:
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Summary: Force merge (optimize) should respect distrib=false
Key: SOLR-12755
URL: https://issues.apache.org/jira/browse/SOLR-12755
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Components: SolrCloud, update
Affects Versions: 7.4
Reporter: Daniel Lowe
It would be desirable in a Solr Cloud configuration if a request like:
update?optimize=true&distrib=false
only executed on the shard that received the request.
As is well known force merging is a very expensive/disk space hungry operation
and hence this increased control should address the following issues:
Free disk space requirements: 1-2x size of ALL shards on the machine vs 1-2x
size of largest shard
I/O: High disk contention when a machine holds multiple shards as all shards
are being simultaneously rewritten
Availability: All replicas will simultaneously have impaired performance
Relevant previous issue: SOLR-6264
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