Ishan Chattopadhyaya created SOLR-10178:
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Summary: TestInPlaceUpdatesDistrib unable to use
NoMergePolicy[Factory] on branch_6x
Key: SOLR-10178
URL: https://issues.apache.org/jira/browse/SOLR-10178
Project: Solr
Issue Type: Test
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Ishan Chattopadhyaya
TestInPlaceUpdatesDistrib depends on consistent segments to track docIds to
assert in-place updates.
Towards that, NoMergePolicy is best suited and working fine on master (by
defining it using NoMergePolicyFactory).
This doesn't work with just the MergePolicy
(systemSetPropertySolrTestsMergePolicy()), since NoMergePolicy is a singleton
and doesn't have a constructor. Setting only a NoMergePolicyFactory
(systemSetPropertySolrTestsMergePolicyFactory()) seems to take no effect and
falls back on RandomMergePolicyFactory. As a result, this test cannot use the
NoMergePolicy[Factory].
Seems to me that SOLR-8668 needs to be backported to branch_6x for this test to
work, or some other stopgap hack needs to be put in place to make it work
before SOLR-8668 is backported. [~cpoerschke], WDYT?
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