Open System Services Management and Operations Guide (G06.29+, H06.07+)

Environment Limits
Open System Services Management and Operations Guide—527191-005
E-5
OSS and Guardian Enscribe File Formats and File
Size Limits
OSS and Guardian Enscribe File Formats and
File Size Limits
The size limit for a file depends on:
•
The function used to open the file
•
The RVU on which the file was created
•
The type of API (OSS or Guardian) used to create the file
•
The current size of the file
Size Limits For Files Created on RVUs That Support Large OSS
Files
Large OSS files (OSS files larger than approximately 2 gigabytes) are supported on:
•
H06.06 and later H-series RVUs
•
G06.29 and later G-series RVUs
OSS
message-
queue
messages
per node
16,384 A smaller limit is configurable.
The default depends on the
maximum number of message-
queue IDs that can be cached.
At an OSS shell prompt:
ipcs -oq
OSS
message
queue
length
65,535 bytes A smaller limit is configurable.
The default is 65,535.
At an OSS shell prompt:
ipcs -oq
OSS
message-
queue
message
length
32,000 bytes A smaller limit is configurable.
The default is 32,000.
Note. For H06.06 and later H-series RVUs and G06.29 and later G-series RVUs, xxx()
functions are mapped to xxx64( ) functions if you compile the application using the #define
_FILE_OFFSET_BITS 64 feature test macro or an eqivalent compiler command option.
Table E-1. OSS Environment Limits (page 5 of 5)
Description
Maximum
Value Comment
To Check Amount
Currently Used