I have searched high and low to find the documentation that spells out the open file descriptors limitation for Sun Solaris 2.6 OS without success. Can anyone please direct me to the doc that spells this out in detail. I understand the limit is 1023 but can't find the straight skinny. Also - was this increased in 2.7? Your assistance is greatly appreciated.
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Sun Solaris 2.6 Open File Descriptors Limit
- Thread starter johnrpega
- Start date
Hi,
see:
rlim_fd_max
Description
"Hard" limit on file descriptors that a single process might have open. To override this limit requires superuser privilege.
Data Type
Signed integer
Default
1024
Range
1 to MAXINT
Units
File descriptors
Dynamic?
No
Validation
None
When to Change
When the maximum number of open files for a process is not enough. Note that other limitations in system facilities can mean that a larger number of file descriptors is not as useful as it might be:
A 32-bit program using standard I/O is limited to 256 file descriptors. A
64-bit program using standard I/O can use up to 2 billion descriptors.
select(3C) is by default limited to 1024 descriptors per fd_set. Starting with the Solaris 7 release, 32-bit application code can be recompiled with a larger fd_set size (less than or equal to 65,536). A 64-bit application sees an fd_set size of 65,536, which cannot be changed.
ciao, mbr
see:
rlim_fd_max
Description
"Hard" limit on file descriptors that a single process might have open. To override this limit requires superuser privilege.
Data Type
Signed integer
Default
1024
Range
1 to MAXINT
Units
File descriptors
Dynamic?
No
Validation
None
When to Change
When the maximum number of open files for a process is not enough. Note that other limitations in system facilities can mean that a larger number of file descriptors is not as useful as it might be:
A 32-bit program using standard I/O is limited to 256 file descriptors. A
64-bit program using standard I/O can use up to 2 billion descriptors.
select(3C) is by default limited to 1024 descriptors per fd_set. Starting with the Solaris 7 release, 32-bit application code can be recompiled with a larger fd_set size (less than or equal to 65,536). A 64-bit application sees an fd_set size of 65,536, which cannot be changed.
ciao, mbr
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