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How to be able to process a large JSON response?
2019 Community Moderator ElectionDeserialising a JSON responseJSON Reciever EndpointJson response getting truncated when getting from SalesforceExtra Backslash in Json String when exposing webserviceIllegal Value for primitive when trying to parse the json dataTrailhead : HTTP Post Issue : JSON does not contain correct case sensitive keysBest way to parse JSON Response from Google Maps?Create Salesforce Records from JSON responseJSON Parsing of REST responseto remove null value from the JSON response
We're calling an external REST service from Salesforce and are receiving a JSON response of more than 45 MB. Has anyone attempted anything like this?
json rest governorlimits
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
add a comment |
We're calling an external REST service from Salesforce and are receiving a JSON response of more than 45 MB. Has anyone attempted anything like this?
json rest governorlimits
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
Just to clarify, you are calling a Salesforce REST service from an external client or you are calling an external REST service from within Salesforce (apex)?
– Jayant Das
5 hours ago
@JayantDas I have added clarification to my question.
– Sander de Jong
4 hours ago
Thanks. Had thought that you are calling from Salesforce but good to get that clarified. Derek's answer is what I would think addresses this scenario.
– Jayant Das
4 hours ago
add a comment |
We're calling an external REST service from Salesforce and are receiving a JSON response of more than 45 MB. Has anyone attempted anything like this?
json rest governorlimits
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
We're calling an external REST service from Salesforce and are receiving a JSON response of more than 45 MB. Has anyone attempted anything like this?
json rest governorlimits
json rest governorlimits
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
edited 4 hours ago
Sander de Jong
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
asked 5 hours ago
Sander de JongSander de Jong
1,37721538
1,37721538
Just to clarify, you are calling a Salesforce REST service from an external client or you are calling an external REST service from within Salesforce (apex)?
– Jayant Das
5 hours ago
@JayantDas I have added clarification to my question.
– Sander de Jong
4 hours ago
Thanks. Had thought that you are calling from Salesforce but good to get that clarified. Derek's answer is what I would think addresses this scenario.
– Jayant Das
4 hours ago
add a comment |
Just to clarify, you are calling a Salesforce REST service from an external client or you are calling an external REST service from within Salesforce (apex)?
– Jayant Das
5 hours ago
@JayantDas I have added clarification to my question.
– Sander de Jong
4 hours ago
Thanks. Had thought that you are calling from Salesforce but good to get that clarified. Derek's answer is what I would think addresses this scenario.
– Jayant Das
4 hours ago
Just to clarify, you are calling a Salesforce REST service from an external client or you are calling an external REST service from within Salesforce (apex)?
– Jayant Das
5 hours ago
Just to clarify, you are calling a Salesforce REST service from an external client or you are calling an external REST service from within Salesforce (apex)?
– Jayant Das
5 hours ago
@JayantDas I have added clarification to my question.
– Sander de Jong
4 hours ago
@JayantDas I have added clarification to my question.
– Sander de Jong
4 hours ago
Thanks. Had thought that you are calling from Salesforce but good to get that clarified. Derek's answer is what I would think addresses this scenario.
– Jayant Das
4 hours ago
Thanks. Had thought that you are calling from Salesforce but good to get that clarified. Derek's answer is what I would think addresses this scenario.
– Jayant Das
4 hours ago
add a comment |
2 Answers
2
active
oldest
votes
There's just no way to cram that much data into Salesforce as-is.
I'd imagine you'd need to introduce a layer in the middle to break that JSON up into more manageable pieces, and also make use of async processing (probably using Queueable).
As I'm sure you know, the transaction limit on heap size is 6MB (12MB Async), and that space needs to hold the incoming response, store it again (plus overhead) when you deserialize it, and have space left over to do whatever processing you need to do.
Another option would be to have the middle layer (Heroku, some VM on some cloud provider, etc...) do the processing for you, and then create/update/delete whatever it is that you need to do via accessing Salesforce's APIs
answered 5 hours ago
Derek FDerek F
20.7k52253
I like your suggestion of having the middle layer call Salesforce's APIs. I don't know if the middle layer will be able to handle that kind of load. An alternative would be to have the middle layer implement a paging mechanism, but this would also mean more work on the Salesforce side.
– Sander de Jong
4 hours ago
I also think that doing tens of thousands of REST calls to Salesforce will not be as efficient as processing 45 times 1 MB JSON files, for example.
– Sander de Jong
4 hours ago
@SanderdeJong Depending on what precisely you're doing, you could create multiple records in Salesforce with a single request, or use the composite resource to package up multiple API calls into a single call.
– Derek F
2 hours ago
add a comment |
In Apex, no chance. The maximum response size is limited to 6/12/36MB (depending on context). You'd have to do client-side processing (e.g. Visualforce via the AJAX Proxy) in order to handle this amount of data.
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
There's just no way to cram that much data into Salesforce as-is.
I'd imagine you'd need to introduce a layer in the middle to break that JSON up into more manageable pieces, and also make use of async processing (probably using Queueable).
As I'm sure you know, the transaction limit on heap size is 6MB (12MB Async), and that space needs to hold the incoming response, store it again (plus overhead) when you deserialize it, and have space left over to do whatever processing you need to do.
Another option would be to have the middle layer (Heroku, some VM on some cloud provider, etc...) do the processing for you, and then create/update/delete whatever it is that you need to do via accessing Salesforce's APIs
answered 5 hours ago
Derek FDerek F
20.7k52253
I like your suggestion of having the middle layer call Salesforce's APIs. I don't know if the middle layer will be able to handle that kind of load. An alternative would be to have the middle layer implement a paging mechanism, but this would also mean more work on the Salesforce side.
– Sander de Jong
4 hours ago
I also think that doing tens of thousands of REST calls to Salesforce will not be as efficient as processing 45 times 1 MB JSON files, for example.
– Sander de Jong
4 hours ago
@SanderdeJong Depending on what precisely you're doing, you could create multiple records in Salesforce with a single request, or use the composite resource to package up multiple API calls into a single call.
– Derek F
2 hours ago
add a comment |
There's just no way to cram that much data into Salesforce as-is.
I'd imagine you'd need to introduce a layer in the middle to break that JSON up into more manageable pieces, and also make use of async processing (probably using Queueable).
As I'm sure you know, the transaction limit on heap size is 6MB (12MB Async), and that space needs to hold the incoming response, store it again (plus overhead) when you deserialize it, and have space left over to do whatever processing you need to do.
Another option would be to have the middle layer (Heroku, some VM on some cloud provider, etc...) do the processing for you, and then create/update/delete whatever it is that you need to do via accessing Salesforce's APIs
answered 5 hours ago
Derek FDerek F
20.7k52253
I like your suggestion of having the middle layer call Salesforce's APIs. I don't know if the middle layer will be able to handle that kind of load. An alternative would be to have the middle layer implement a paging mechanism, but this would also mean more work on the Salesforce side.
– Sander de Jong
4 hours ago
I also think that doing tens of thousands of REST calls to Salesforce will not be as efficient as processing 45 times 1 MB JSON files, for example.
– Sander de Jong
4 hours ago
@SanderdeJong Depending on what precisely you're doing, you could create multiple records in Salesforce with a single request, or use the composite resource to package up multiple API calls into a single call.
– Derek F
2 hours ago
add a comment |
There's just no way to cram that much data into Salesforce as-is.
I'd imagine you'd need to introduce a layer in the middle to break that JSON up into more manageable pieces, and also make use of async processing (probably using Queueable).
As I'm sure you know, the transaction limit on heap size is 6MB (12MB Async), and that space needs to hold the incoming response, store it again (plus overhead) when you deserialize it, and have space left over to do whatever processing you need to do.
Another option would be to have the middle layer (Heroku, some VM on some cloud provider, etc...) do the processing for you, and then create/update/delete whatever it is that you need to do via accessing Salesforce's APIs
answered 5 hours ago
Derek FDerek F
20.7k52253
There's just no way to cram that much data into Salesforce as-is.
I'd imagine you'd need to introduce a layer in the middle to break that JSON up into more manageable pieces, and also make use of async processing (probably using Queueable).
As I'm sure you know, the transaction limit on heap size is 6MB (12MB Async), and that space needs to hold the incoming response, store it again (plus overhead) when you deserialize it, and have space left over to do whatever processing you need to do.
Another option would be to have the middle layer (Heroku, some VM on some cloud provider, etc...) do the processing for you, and then create/update/delete whatever it is that you need to do via accessing Salesforce's APIs
answered 5 hours ago
Derek FDerek F
20.7k52253
answered 5 hours ago
Derek FDerek F
20.7k52253
answered 5 hours ago
Derek FDerek F
20.7k52253
answered 5 hours ago
Derek FDerek F
20.7k52253
20.7k52253
I like your suggestion of having the middle layer call Salesforce's APIs. I don't know if the middle layer will be able to handle that kind of load. An alternative would be to have the middle layer implement a paging mechanism, but this would also mean more work on the Salesforce side.
– Sander de Jong
4 hours ago
I also think that doing tens of thousands of REST calls to Salesforce will not be as efficient as processing 45 times 1 MB JSON files, for example.
– Sander de Jong
4 hours ago
@SanderdeJong Depending on what precisely you're doing, you could create multiple records in Salesforce with a single request, or use the composite resource to package up multiple API calls into a single call.
– Derek F
2 hours ago
add a comment |
I like your suggestion of having the middle layer call Salesforce's APIs. I don't know if the middle layer will be able to handle that kind of load. An alternative would be to have the middle layer implement a paging mechanism, but this would also mean more work on the Salesforce side.
– Sander de Jong
4 hours ago
I also think that doing tens of thousands of REST calls to Salesforce will not be as efficient as processing 45 times 1 MB JSON files, for example.
– Sander de Jong
4 hours ago
@SanderdeJong Depending on what precisely you're doing, you could create multiple records in Salesforce with a single request, or use the composite resource to package up multiple API calls into a single call.
– Derek F
2 hours ago
I like your suggestion of having the middle layer call Salesforce's APIs. I don't know if the middle layer will be able to handle that kind of load. An alternative would be to have the middle layer implement a paging mechanism, but this would also mean more work on the Salesforce side.
– Sander de Jong
4 hours ago
I like your suggestion of having the middle layer call Salesforce's APIs. I don't know if the middle layer will be able to handle that kind of load. An alternative would be to have the middle layer implement a paging mechanism, but this would also mean more work on the Salesforce side.
– Sander de Jong
4 hours ago
I also think that doing tens of thousands of REST calls to Salesforce will not be as efficient as processing 45 times 1 MB JSON files, for example.
– Sander de Jong
4 hours ago
I also think that doing tens of thousands of REST calls to Salesforce will not be as efficient as processing 45 times 1 MB JSON files, for example.
– Sander de Jong
4 hours ago
@SanderdeJong Depending on what precisely you're doing, you could create multiple records in Salesforce with a single request, or use the composite resource to package up multiple API calls into a single call.
– Derek F
2 hours ago
@SanderdeJong Depending on what precisely you're doing, you could create multiple records in Salesforce with a single request, or use the composite resource to package up multiple API calls into a single call.
– Derek F
2 hours ago
add a comment |
In Apex, no chance. The maximum response size is limited to 6/12/36MB (depending on context). You'd have to do client-side processing (e.g. Visualforce via the AJAX Proxy) in order to handle this amount of data.
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
add a comment |
In Apex, no chance. The maximum response size is limited to 6/12/36MB (depending on context). You'd have to do client-side processing (e.g. Visualforce via the AJAX Proxy) in order to handle this amount of data.
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
add a comment |
In Apex, no chance. The maximum response size is limited to 6/12/36MB (depending on context). You'd have to do client-side processing (e.g. Visualforce via the AJAX Proxy) in order to handle this amount of data.
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
In Apex, no chance. The maximum response size is limited to 6/12/36MB (depending on context). You'd have to do client-side processing (e.g. Visualforce via the AJAX Proxy) in order to handle this amount of data.
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
answered 5 hours ago
sfdcfoxsfdcfox
261k12208452
261k12208452
add a comment |
add a comment |
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Just to clarify, you are calling a Salesforce REST service from an external client or you are calling an external REST service from within Salesforce (apex)?
– Jayant Das
5 hours ago
@JayantDas I have added clarification to my question.
– Sander de Jong
4 hours ago
Thanks. Had thought that you are calling from Salesforce but good to get that clarified. Derek's answer is what I would think addresses this scenario.
– Jayant Das
4 hours ago