Process with S state(Interruptable) in RHEL and gives Advertise error after restarting/Killing the p


 
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Operating Systems Linux Red Hat Process with S state(Interruptable) in RHEL and gives Advertise error after restarting/Killing the p
# 8  
Old 11-03-2017
Quote:
Originally Posted by Rohits
this application does some redundancy check and automatic database update on 2 redundant systems.
This error does not occur frequently
So when this occurs some resource is no longer available. Could that be a network connection to a redundant system? Some resource is not available causing the CPU to sleep the process indefinitely. Could the process under certain error conditions be calling for a vast amount of memory that the system doesn't have? If the process usually runs just fine then this problem occurs in unusual/faulty circumstances (eg, a remote connection goes down).
# 9  
Old 11-03-2017
Quote:
Originally Posted by hicksd8
So when this occurs some resource is no longer available. Could that be a network connection to a redundant system? Some resource is not available causing the CPU to sleep the process indefinitely. Could the process under certain error conditions be calling for a vast amount of memory that the system doesn't have? If the process usually runs just fine then this problem occurs in unusual/faulty circumstances (eg, a remote connection goes down).
Yes you got it right, my one observation is: This error occurs due to the incomplete transfer of database to the remote server(Cause may be the link disconnection or SFTP interruption), and the process failed in-between due to non-complete schema of the database. From then onward I am getting the "Advertise Error".
# 10  
Old 11-03-2017
Whatever the resource is that's going unavailable, the CPU would reschedule the process if the resource returned. Of course, although not likely, this could be a hardware problem (eg, faulty network card).

When this problem occurs can you check the network interfaces of both the local and remote nodes are still up, and the network infrastructure between them is working. The OS isn't seeing this as an error as such otherwise it would report it. It sees it as a suspension of service whilst a resource is unavailable, pending resumption.

Code:
# strace -p <pid>

should give you a clue as to why the process is sleeping.

Last edited by hicksd8; 11-03-2017 at 08:23 AM..
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