@Poorvi Sachar, you can use the following REST API to update an entity attribute for HDP 2.6 or HDP-2.5: HDP-2.6 with Atlas 0.8: curl -u admin:admin -X PUT 'http://localhost:21000/api/atlas/v2/entity/guid/<column_guid>?name=comment' -H 'content-type: application/json' -d '"new comment"' For HDP-2.5 with Atlas 0.7: curl -u admin:admin -X POST 'http://localhost:21000/api/atlas/entities/<column_guid>?property=comment' -H 'content-type: application/json' -d 'another comment' ... View more

The gremlin queries can be fired using the ATLAS search Gremlin REST APIs ( See - https://atlas.incubator.apache.org/api/resource_MetadataDiscoveryResource.html#path__discovery_search_gremlin.html). If you need to do that through Titan, you need to download Titan 0.5.4 binary and you will have to add and update some libraries which are needed by ATLAS like atlas-titan*.jar and atlas-typesystem*.jar and add them to Titan's lib directory/class path for the gremlin shell to work. It is cumbersome to get it working and I wouldnt recommend going in that direction. ... View more

is there a way by which I could delete all these deleted table entries from titan so they are not retrieved at all ... View more

@Poorvi Sachar In HDP 2.5.0.0-1245, atlas version: 0.7.0.2.5 there were some IE issue which got fixed. to avoid caching issue &_=1487799123750 timestamp was appended to api url, but this introduced a regression in taxonomy. And this bug is fixed in subsequent maint HDP releases, i provided you same fix for 2.5.3.0-37, atlas version: 0.7.0 Hope this clear the doubt. Nixon ... View more

@Poorvi Sachar If it shows "Lineage not found" , it is not an exception or error . It means that actually there is no Lineage. ... View more