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Supported OpenSearch versions:

Version

Status

Comment

1.x

Not-Supported

2.x.x

Supported

AWS OpenSerach Serverless

Supported, see Limitations

https://docs.aws.amazon.com/opensearch-service/latest/developerguide/serverless-overview.html#serverless-limitations

The index is refresh every 10 seconds as fixed value from AWS. This means it can take up to 10 seconds until a object is actually accessible.

Index naming

Please note the following restrictions when naming the index: Index naming restrictions

Configuration parameter in the repository.cfg

<repoName>.metaservice.type=opensearch
<repoName>.metaservice.opensearch.host = http://127.0.0.1:9200
<repoName>.metaservice.opensearch.index.write = archive-fi
<repoName>.metaservice.opensearch.index.search = archive-fi
<repoName>.metaservice.opensearch.index.update = archive-fi
<repoName>.metaservice.opensearch.index.delete = archive-fi
#<repoName>.metaservice.opensearch.index.document.write = #default: <index.write>
#<repoName>.metaservice.opensearch.index.document.search = #default: <index.search>
#<repoName>.metaservice.opensearch.index.document.update = #default: <index.update>
#<repoName>.metaservice.opensearch.index.document.delete = #default: <index.delete>
#<repoName>.metaservice.opensearch.index.container.write = #default: <index.write>
#<repoName>.metaservice.opensearch.index.container.search = #default: <index.search>
#<repoName>.metaservice.opensearch.index.container.update = #default: <index.update>
#<repoName>.metaservice.opensearch.index.container.delete = #default: <index.delete>
#<repoName>.metaservice.opensearch.authentication.type= #default: none
#<repoName>.metaservice.opensearch.authentication.credentials= #default:
#<repoName>.metaservice.opensearch.maxconnections= #default: 50
#<repoName>.metaservice.opensearch.connecttimeout= #default: 5
#<repoName>.metaservice.opensearch.sockettimeout= #default: 30
#<repoName>.metaservice.opensearch.requesttimeout= #default: 10
#<repoName>.metaservice.opensearch.indexwaitmode= #default:
#<repoName>.metaservice.opensearch.fallback.type= #default:

AWS Serverless Configuration (supported from tia ContentServer 3.7.1 and newer)

<repoName>.metaservice.type=opensearch
<repoName>.metaservice.opensearch.host = <Host from AWS>
<repoName>.metaservice.opensearch.index.write = archive-fi
<repoName>.metaservice.opensearch.index.search = archive-fi
<repoName>.metaservice.opensearch.index.update = archive-fi
<repoName>.metaservice.opensearch.index.delete = archive-fi
#<repoName>.metaservice.opensearch.index.document.write = #default: <index.write>
#<repoName>.metaservice.opensearch.index.document.search = #default: <index.search>
#<repoName>.metaservice.opensearch.index.document.update = #default: <index.update>
#<repoName>.metaservice.opensearch.index.document.delete = #default: <index.delete>
#<repoName>.metaservice.opensearch.index.container.write = #default: <index.write>
#<repoName>.metaservice.opensearch.index.container.search = #default: <index.search>
#<repoName>.metaservice.opensearch.index.container.update = #default: <index.update>
#<repoName>.metaservice.opensearch.index.container.delete = #default: <index.delete>
#<repoName>.metaservice.opensearch.authentication.type=aws
#<repoName>.metaservice.opensearch.authentication.credentials= <accessKey,secret>
#<repoName>.metaservice.opensearch.region= #default "eu-central-1"
#<repoName>.metaservice.opensearch.signingservice= #default "aoss"
#<repoName>.metaservice.opensearch.maxconnections= #default: 50
#<repoName>.metaservice.opensearch.connecttimeout= #default: 5
#<repoName>.metaservice.opensearch.sockettimeout= #default: 30
#<repoName>.metaservice.opensearch.requesttimeout= #default: 10
#<repoName>.metaservice.opensearch.indexwaitmode= #default:
#<repoName>.metaservice.opensearch.fallback.type= #default:

Storage requirements

Each object in the system generates an entry with the following properties

  • 5 text fields with type keyword

  • 1 date field

  • 1 path field with path_tokenizer, keyword and length

  • => approx. 500 bytes per object, depending on compression, number of objects and storage structure

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