knn is not working in elastic search

[ghost]

{'error': {'root_cause': [{'type': 'illegal_argument_exception', 'reason': 'unknown setting [index.knn] please check that any required plugins are installed, or check the breaking changes documentation for removed settings'}], 'type': 'illegal_argument_exception', 'reason': 'unknown setting [index.knn] please check that any required plugins are installed, or check the breaking changes documentation for removed settings', 'suppressed': [{'type': 'illegal_argument_exception', 'reason': 'unknown setting [index.knn.algo_param.ef_construction] please check that any required plugins are installed, or check the breaking changes documentation for removed settings'}, {'type': 'illegal_argument_exception', 'reason': 'unknown setting [index.knn.algo_param.m] please check that any required plugins are installed, or check the breaking changes documentation for removed settings'}, {'type': 'illegal_argument_exception', 'reason': 'unknown setting [index.knn.algo_param.ef_search] please check that any required plugins are installed, or check the breaking changes documentation for removed settings'}]}, 'status': 400} .
index.knn is not running in elastic search , how we can install index.knn plugin to our elastic search

[jmazanec15]

@kottedileep Is the plugin installed?

[ghost]

No , please explain how to install index-knn plugin to elastic search. Have to implement vector image similarity with that

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On Thu, 13 Jan 2022, 5:19 am Jack Mazanec, ***@***.***> wrote: @kottedileep <https://github.com/kottedileep> Is the plugin installed? — Reply to this email directly, view it on GitHub <#365 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AM5ILNWYYV45P77HBTGCPEDUVYHPNANCNFSM5LJNT3OA> . Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>. You are receiving this because you were mentioned.Message ID: ***@***.***>