Service volume (Query processor option)
The -service_volume query processor option can take two values, high or low, each of which adjust certain query processing settings from their default values.
The following table lists the default settings and the settings applied in the high and low service volume modes.
| Setting | Default (no setting) | High | Low |
|---|---|---|---|
| Number of words permitted in a proximity phrase | 7 | 4 | Unlimited |
| Maximum number of query terms | 8 | 6 | Unlimited |
| Query processing mode | Document at a time | Document at a time | Term at a time |
| Lowest ranking document which will be available | 2,000,000,000 | 1,000 | unlimited |
| Truncation operator permitted | no | no | yes |