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Apache TinkerPop•17mo ago

Set TTL for vertex

Can i set TTL for vertex after running janusgraph about 4 months?

Solution:

From https://docs.janusgraph.org/schema/advschema/#vertex-ttl :

mgmt = graph.openManagement()
tweet = mgmt.makeVertexLabel('tweet').setStatic().make()
mgmt.setTTL(tweet, Duration.ofHours(36))
mgmt.commit()

mgmt = graph.openManagement()
tweet = mgmt.makeVertexLabel('tweet').setStatic().make()
mgmt.setTTL(tweet, Duration.ofHours(36))
mgmt.commit()

...

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6 Replies

Solution

Volker•17mo ago

From https://docs.janusgraph.org/schema/advschema/#vertex-ttl :

mgmt = graph.openManagement()
tweet = mgmt.makeVertexLabel('tweet').setStatic().make()
mgmt.setTTL(tweet, Duration.ofHours(36))
mgmt.commit()

mgmt = graph.openManagement()
tweet = mgmt.makeVertexLabel('tweet').setStatic().make()
mgmt.setTTL(tweet, Duration.ofHours(36))
mgmt.commit()

Dinh Phu•17mo ago

if that vertexlabel already exists, what to do

Volker•17mo ago

mgmt.getVertexLabel('tweet').setTTL(...)

mgmt.getVertexLabel('tweet').setTTL(...)

Dinh Phu•17mo ago

thank

Volker•17mo ago

you are welcome, but keep in mind that it can take some time to actually propagate the TTL changes in janusgraph and only

CQL, HBase and BerkeleyDB

CQL, HBase and BerkeleyDB

support TTL atm

Dinh Phu•17mo ago

yes, fortunately i' m using Hbase

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