처리할수 있는 최대 파일수
[root@sky279 14:48:35 ~]# cat /proc/sys/fs/file-max
32768
limit의 결과는 계정마다 다르게 나온다.
[root@sky279 14:50:06 ~]# limit
cputime unlimited
filesize unlimited
datasize unlimited
stacksize 8192 kbytes
coredumpsize unlimited
memoryuse unlimited
vmemoryuse unlimited
descriptors 16000
memorylocked unlimited
maxproc 16000
실제 소스 확인
[root@sky279 14:53:40 /usr/src/linux-2.4/include/linux]# cat limits.h
#ifndef _LINUX_LIMITS_H
#define _LINUX_LIMITS_H
#define NR_OPEN 1024
#define NGROUPS_MAX 32 /* supplemental group IDs are available */
#define ARG_MAX 131072 /* # bytes of args + environ for exec() */
#define CHILD_MAX 999 /* no limit :-) */
#define OPEN_MAX 256 /* # open files a process may have */
#define LINK_MAX 127 /* # links a file may have */
#define MAX_CANON 255 /* size of the canonical input queue */
#define MAX_INPUT 255 /* size of the type-ahead buffer */
#define NAME_MAX 255 /* # chars in a file name */
#define PATH_MAX 4096 /* # chars in a path name including nul */
#define PIPE_BUF 4096 /* # bytes in atomic write to a pipe */
#define XATTR_NAME_MAX 255 /* # chars in an extended attribute name */
#define XATTR_SIZE_MAX 65536 /* size of an extended attribute value (64k) */
#define XATTR_LIST_MAX 65536 /* size of extended attribute namelist (64k) */
#define RTSIG_MAX 32
#endif
참조하기.
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