Open System Services Management and Operations Guide (H06.06+)

Environment Limits
Open System Services Management and Operations Guide—527191-004
E-4
OSS filesets
per node
Functional
limit:
1,000,000
Theoretical
maximum:
33,553,952
Functional limit is imposed by
functional limit on directories (a
fileset must have a directory as
a mount point).
Theoretical maximum is
determined by maximum
number of device labels.
At a TACL prompt, use
the SCF INFO FILESET *,
DETAIL command.
Entries in an
inode cache
500,000 A smaller limit is configurable.
The default is 4,096.
Prior to RVU G06.24, the limit
was 250,000.
Entries in a
link cache
500,000 A smaller limit is configurable.
The default is 4,096.
Prior to RVU G06.24, the limit
was 250,000.
Buffer size
for Network
File System
(NFS)
nonretryable
operations
128,000 bytes A smaller limit is configurable.
The default is 16,000.
OSS
message-
queue IDs
that can be
cached
1024 A smaller limit is configurable.
The default is 32.
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.
Table E-1. OSS Environment Limits (page 4 of 4)
Description
Maximum
Value Comment
To Check Amount
Currently Used