원문 : http://www.ischo.net -- 조인상 // 시스템 엔지니어

Writer : http://www.ischo.net -- ischo // System Engineer in Replubic Of Korea

+++++++++++++++++++++++++++++++++++++++++++++++++++++++

 

원문 : http://www.ischo.net -- 조인상 //시스템 엔지니어

+++++++++++++++++++++++++++++++++++++++++++++++++++++++

 

  • nfile(5)
  • If the kernel parameter nfile or maxuprc is too small, then messages like the following will appear in syslog:

Jan 23 15:04:10 hostname vmunix: file: table is full

Jan 23
15:04:10
hostname last message repeated
55 times

Jan 23
15:10:10
hostname vmunix: file: table is
full

  • on the
    console, you may see:

file: table
is full

  • Check to see if the
    file table is currently full with:
# sar –v 5
5

For example:

# sar -v 5 5

HP-UX raw B.11.00
U 9000/735 03/27/03





08:56:14 text-sz ov proc-sz ov inod-sz ov
file-sz ov


08:56:19 N/A N/A 127/500 0 700/700 0
1250/1260 0


08:56:24 N/A N/A 127/500 0 700/700 0
1249/1260 0


08:56:29 N/A N/A 127/500 0 700/700 0
1250/1260 0


08:56:34 N/A N/A 127/500 0 700/700 0
1255/1260 0


08:56:39 N/A N/A 127/500 0 700/700 0
1259/1260 0

Notice that the number
to the left of the slash (the number of currently open files) is near the number
to the right of the slash (max number of open files allowed, nfile.)

  • Also to check to see if a one user is
    using at or near the limit for a single user, maxuprc(5), run:

# ps –fu username| wc –l

 

 

 

관련 파라미터 정보

 

Tunable             nproc
Description         Maximum number of processes on the system
Module              pm
Current Value       4200 [Default]
Value at Next Boot  4200 [Default]
Value at Last Boot  4200
Default Value       4200
Constraints         nproc >= 100
                    nproc <= 30000
                    nproc >= maxuprc + 5
                    nproc <= nkthread - 100
                    nproc >= semmnu + 4
Can Change          Immediately or at Next Boot

 

 

Tunable             nkthread
Description         Maximum number of threads on the system
Module              pm
Current Value       8416 [Default]
Value at Next Boot  8416 [Default]
Value at Last Boot  8416
Default Value       8416
Constraints         nkthread >= 200
                    nkthread <= 4194304
                    nkthread >= (5 * vx_era_nthreads)
                    nkthread >= max_thread_proc
                    nkthread >= nproc + 100
Can Change          Immediately or at Next Boot

 

 

 

Tunable             nfile
Description         Maximum number of file descriptors (system-wide)
Module              fs
Current Value       65536 [Default]
Value at Next Boot  Default (automatic)
Value at Last Boot  65536
Default Value       65536 (automatic)
Constraints         nfile >= 2048
                    nfile <= 2147483647
                    nfile >= (2 * maxfiles_lim)
Can Change          Automatic Tuning Enabled

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