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Node Clone
since ‎10-31-2022

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  • 45 Posts
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I were trying to create index for node's property :      create index process_pid if not exists for (n:Process) on     It take about 10 minutes in 100 million nodes. However, in the case of 640 million nodes, it take 10 hours, what made so diff...
The following code   CALL apoc.periodic.iterate("MATCH(e:Process) MATCH (f:ParentProcess{pid:e.parentID})    RETURN  e,f", "CREATE(f)-[r:create_process_to]->(e)", {batchSize:5000, parallel: true}) YIELD batch   Showed the error message : The allocati...
The query is the following (there're 640 million process nodes)     CALL apoc.periodic.iterate("MATCH(e:Process) MATCH (f:Process{})    RETURN  e,f", "CREATE(e)-[r:create_process_to]->(f)", {batchSize:5000, parallel: true}) YIELD batch ...
There're two socket of cpu with each 8 core & 16 thread in my computer (i.e., total 2*8 core and 16*2 thread). When I was running  apoc.periodic.iterate with parallel = TRUE, for example,   CALL apoc.periodic.iterate( 'MATCH (n) RETURN id(n) AS id', ...
Suppose the data are list below   Create(buyer:Buyer{buyid:data.buyid,} Create(seller:Seller{sellid:data.sellid,} Math(n:Buyer) Match(p:Seller{sellid:n.buyid}) Create (p)->[sell]-(n) i.e, the database of buyer-seller-gr...
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