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

5

Globus Search clients are restricted to 5 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