Fail rate: 100%
System version: v4.2
OS: Ubuntu 20.0.4
What we faced:
Even if Connection established successfully, all registered camera image is not visible.
Running out of OS resources because of failure to close TCP(TLS) connection. TCP connection from Nx Server#1 to Nx Server#2 is established every few seconds. However, TCP sockets are not closed (remained as CLOSE_WAIT state). Thus, in the end, kernel resources (socket buffer) were exhausted.
Is this a known issue?
And If yes, how to avoid this?
If not, we need a hint to identify the root cause.
*** extracted system log ***
VMS:~# netstat -ant | grep CLOSE_WAIT
tcp 1 0 172.31.20.10:44415 172.31.10.1:7001 CLOSE_WAIT
tcp 1 0 172.31.20.10:56903 172.31.10.1:7001 CLOSE_WAIT
tcp 1 0 172.31.20.10:48505 172.31.10.1:7001 CLOSE_WAIT
tcp 1 0 172.31.20.10:39505 172.31.10.1:7001 CLOSE_WAIT
Please sign in to leave a comment.