Globus Search Limits

Table 1. Request Limits
Value	Limit	Description
HTTP Request Lifetime	60 seconds	The maximum amount of time for any HTTP request before it is aborted
Query Lifetime	30 seconds	The maximum amount of time spent on a query operation before it is aborted and the service returns a 504 Error
HTTP Requests Per Second	10	Globus Search clients are restricted to 10 requests per second, with the ability to burst above this limit.
Burst Query Capacity	90 seconds	The maximum amount of processing time a user’s long-running queries may consume in any 30 second window. A long-running query is any query that exceeds two seconds in duration. Only time in excess of two seconds is counted.

Table 2. Data Size Limits
Value	Limit	Description
HTTP Request Size	10MB	The maximum size of an HTTP request payload sent to Globus Search
Entry Size	10MB	The maximum size of an Entry document (after expansion)
Field Length	32KB	The maximum size of any field in an Entry document
Subject Length	500 bytes	The maximum length of the `subject` when UTF-8 encoded.
`visible_to` Length	100	The maximum size of a `visible_to` list for an Entry

Note

ASCII characters are a single byte, so for ASCII data "UTF-8 bytes" is equivalent to "characters". Many accented latin characters, like á and é are encoded in UTF-8 as two bytes.

Some characters require more than two bytes in UTF-8, up to a maximum of four.

Table 3. Index Limits
Value	Limit	Description
Roles per Index	50	The maximum number of Roles (permissions) on a Globus Search Index
Fields Per Index	1000	The maximum number of distinct fields in a Globus Search Index
Nested Field Depth	20	The maximum number of levels in a structure stored in a Globus Search Index
Entries per Subject	10	The maximum number of Entries which can be stored in a single Subject

Table 4. User Limits
Value	Limit	Description
Trial Index Ownership	3	The maximum number of trial indices where a user may have the `owner` role

Table 5. Query Limits
Value	Limit	Description
Max Query String Length	256	The maximum length of the `q` parameter
Max Facets	32	The maximum number of facets on a query
Max Filters	32	The maximum number of filters on a query
Max Sorts	8	The maximum number of sort clauses on a query
Max Boosts	16	The maximum number of field boosts on a query
Max Filter Principal Sets	5	The maximum number of values in a `filter_principal_sets` parameter