Limits
Fauna is a shared, globally accessible database service. To optimize query performance and share resources in a fair manner, the following global limits are in place. See the Plan details documentation for the throughput limits of each of the Fauna plans.
| Constraint | Limit |
|---|---|
Document size |
8 MB/document |
Query size |
16 MB/query |
Transaction size |
16 MB/transaction |
Compute operations |
12,000/transaction |
Default query execution time even without a timeout |
2 minutes |
Maximum query execution time even with a timeout |
10 minutes |
Concurrent index builds |
500 per account per region group Index builds for collections with more than 128 documents are handled by a background task. The limit prevents an excessive number of indexes that must be built simultaneously. Fauna returns an HTTP 429 error When this limit is exceeded and the transaction is aborted. |
Index entries |
64k bytes An index entry includes |
Pagination size |
1 to 100,000 Minimum and maximum number of paginated values returned by the
|
UDF recursion limit |
User-defined function (UDF) recursion is limited to a depth of 2048 calls. |
Protective service limit |
Fauna returns HTTP status code 429 if a query causes read, write, or compute ops to generate excessive traffic that exceeds protective service limits. See Plan throughput limits. |
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