Thanks for the reply. It can be one of the alternatives Il 03.01.2022 19:09 Andy Seaborne ha scritto:
> On 03/01/2022 17:44, [email protected] [2]wrote: > >> Hi, you are right, I was not clear in the request. I try to explain myself better. I have a knowledge base of over a billion triples. I am testing a query that returns about 2 million results (in the future I will have many queries that will return a lot of data) On the client side I have to allow the download of the results in CSV format (on asynchronous request, not through batch). > > How long does it take? > >> But, with these volumes of data, we can have 2 types of errors: - OutOfMemory on the Result (I can increase the heap size....) > > How are you making the query? (what software?) > > Fuseki will stream results back and with the Jena client code, can > provide a end-to-end streaming solution. > > The fastest results for is the binary Thrift encoding. > > RDFConnectionFuseki will use this. > > Some queries don't stream. > For example, can you clarify - a query? What kind of query >> >>> - "many results", any number? - What do you consider slow and >> inefficient and what are would you consider ideal? >> >>> Also, why do >> you think that the HTTP call is the bottleneck? I think that this is a wrong assumption. Try to run a simple query and you will see that the HTTP call is not the bottleneck. Sent: Monday, 3 January 2022 12:59 To: u >> >>> margin-left:5px; width:100%">Subject: >> dbquery Hi, i am using a fuseki server and need to run a query which returns a lot of results. The use of the HTTP call (http: // localhost: 3030 / ds / query = myQuery) is very >> >>> any way to do this? >> tyle="padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px; width:100%">Con Tiscali Mobile Smart 70 hai 70 GB in 4G, minuti illimitati e 100 SMS a soli 7,99EUR al mese http://tisca.li/Smart70 [1] [4] Con Tiscali Mobile Smart 70 hai 70 GB in 4G, minuti illimitati e 100 SMS a soli 7,99EUR al mese htt >> >>> Con Tiscali Mobile Smart 70 hai 70 GB in 4G, minuti illimitati e 100 SMS a soli 7,99€ al mese http://tisca.li/Smart70
