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chore(3ent): Add --num-core config option (still missing from the CLI --help)

influxql-integral^2
Jason Stirnaman 2025-08-05 19:34:08 -05:00
parent 407a5e6de6
commit df1069ba65
2 changed files with 17 additions and 1619 deletions
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1622
content/influxdb3/enterprise/reference/config-options.md
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content/shared/influxdb3-cli/config-options.md
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@ -1515,6 +1515,7 @@ Specifies how long to wait for a running ingestor during startup.
### Resource Limits
- [num-cores](#num-cores)
- [num-database-limit](#num-database-limit)
- [num-table-limit](#num-table-limit)
@ -1522,7 +1523,18 @@ Specifies how long to wait for a running ingestor during startup.
#### num-cores
Limits the number of CPU cores that InfluxDB Enterprise can use.
Limits the number of CPU cores that the InfluxDB 3 Enterprise process can use when running on systems where resources are shared.
When specified, InfluxDB automatically assigns the number of DataFusion threads and IO threads based on the core count.
**Thread assignment logic:**
- **1-2 cores**: 1 IO thread, 1 DataFusion thread
- **3 cores**: 1 IO thread, 2 DataFusion threads
- **4+ cores**: 2 IO threads, (n-2) DataFusion threads
**Constraints:**
- Must be at least 2
- Cannot exceed the number of cores available on the system
- Total thread count from other thread options cannot exceed the `num-cores` value
| influxdb3 serve option | Environment variable |
| :--------------------- | :-------------------------------- |