Import Set API insertMultiple timing out with large payloads

[VictorMont]

Hi team,

We are investigating an issue with the Import Set API (insertMultiple).

Small and medium payloads are processed successfully:

• 1 record ✅
• 27 records ✅
• 5,000 records ✅

However, payloads between ~18k and ~20k records remain in Loading state.

The records are inserted into the staging table, but the Import Set never completes, no Import Set Run is created, and the logs show:

1) Transaction cancelled: maximum execution time exceeded

and

2) Cancelling transaction .../insertMultiple

(maximum execution time exceeded)

after ~60 seconds

Questions:

1. Is there a supported way to increase the execution timeout for Import Set API insertMultiple requests?
2. From a ServiceNow best-practice perspective, would you recommend increasing the timeout or having the source system split the payload into smaller chunks?

Thanks in advance for any guidance.

[Ankur Bawiskar]

@VictorMont 

Suggestion -> split large payloads into smaller chunks rather than increasing the timeout

You can increase it using Transaction quota rule

How to resolve inbound REST call timeout errors caused by Transaction Quota Rules - Support and Trou...

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