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Swarm 15 introduced the setting search.enableDelimiterPaths=True, so that any search feeds the elasticsearch index when a search feed is first created will have a new paths field which . That allows for faster delimiter listings when gateway.cfg has [folder_listings] usePaths=true (https://perifery.atlassian.net/wiki/spaces/public/pages/2443810201/Gateway+Configuration#%5Bfolder_listings%5D ). Starting with Gateway 8.0.3 usePaths=true is the default though it’s only in effect when ?prefix is not specified or contains a small number of pseudo-directories.

Gateway 8 will log a warning if it cannot take effect because some elasticsearch entries are usePaths is ignored due to any entries in the elasticsearch index missing the field. Unfortunately Gateway 7 could log a false warning. This can happen if the search feed was created before that setting search.enableDelimiterPaths was True or if the setting it was temporarily changed to False while adding/updating objects.

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1. Choose an elasticesarch node name or ip from the Search Feed.

2. Note the Swarm cluster.name and search feed number id (the first is 0).

3. Issue this curl:

   Code Block
   curl -H 'Content-type: application/json' 'ELASTICSEARCH-HOST:9200/index_CLUSTER-NAME0/_search?pretty&size=100' --data-binary ' { "query": { "bool": { "must": { "terms": { "stype": [ "NAMED" ] } }, "must_not": { "exists": { "field": "paths.p1" } } } } }'

4. The resulting If any entries are at least some of the entries preventing returned they prevent the use of usePaths=true.

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