Maniphest T420230

Migrate to OpenSearch 3.x
Open, Needs TriagePublic
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	pfischer
	Mar 16 2026, 3:56 PM

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Description

Compatibility assessment

1.3 → 2.19.x → 3.x path
breaking-change review
plugin/client/index compatibility matrix

Other Stakeholders

Extension:Translate uses ElasticSearchTtmServer claims ElasticTTM is currently not compatible with elasticsearch 2.x/5.x it needs FuzzyLikeThis ported via the wmf extra plugin; uses chi cluster, see Config

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		Status	Subtype	Assigned	Task
		Open		None	T420230 Migrate to OpenSearch 3.x
		Open		EBernhardson	T420407 Migrate opensearch plugins to 2.19.5
		Resolved		bking	T420759 Update wmf-opensearch-search-plugins in apt.wikimedia.org to 2.19.5
		Resolved		TJones	T425791 Fix STConvert Opensearch plugin naming error
		Open		TJones	T421395 Evaluate analyzer changes between opensearch 1.3.x and 2.19.5

Event Timeline

pfischer created this task.Mar 16 2026, 3:56 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMar 16 2026, 3:56 PM

pfischer added projects: CirrusSearch, Discovery-Search.Mar 16 2026, 3:56 PM

EBernhardson created subtask T420407: Migrate opensearch plugins to 2.19.5.Mar 17 2026, 6:26 PM

pfischer updated the task description. (Show Details)Mar 18 2026, 3:48 PM

pfischer updated the task description. (Show Details)Mar 18 2026, 3:51 PM

dcausse subscribed.Mar 19 2026, 5:49 PM

EBernhardson moved this task from needs triage to [epic] on the Discovery-Search board.Mar 23 2026, 4:15 PM

EBernhardson created subtask T421395: Evaluate analyzer changes between opensearch 1.3.x and 2.19.5.Mar 26 2026, 3:12 PM

Kristbaum subscribed.Apr 8 2026, 5:55 PM