Pejman Moghadam / General

Checking open file descriptors

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General

# cat /proc/sys/fs/file-max 
309551

# cat /proc/sys/fs/file-nr
 1309    0       309551
 |       |       |
 |       |       |
 |       |       maximum open file descriptors
 |       total free allocated file descriptors
 total allocated file descriptors
 (the number of file descriptors allocated since boot)

# lsof | wc -l
 2110

Per PID

# ps -A | grep squid
 2458 ?        00:00:00 squid
 2460 ?        00:01:42 squid

# netstat  -tunapo | grep squid | tail -n 1
 udp        0        0 0.0.0.0:3401        0.0.0.0:*        2460/(squid)        off (0.00/0/0)

# lsof | grep 2460 | wc -l
 1050

# ls -l  /proc/2460/fd/ | wc -l
 1099

BY: Pejman Moghadam
TAG: filedescriptor
DATE: 2007-11-09 19:07:13


Pejman Moghadam / General [ TXT ]