Various issues occur when Shareplex Post process opens many files descriptors (nofiles) that exceed the current settings as displayed by "ulimit" command in Unix. There are a number of solutions that delve on how to resolve various errors encountered by Shareplex when this happens. This solution only outlines the cause for seeing a high number of files opened by the Post process.
General information.
The following are the primary reasons for seeing a high number of open files, also termed as file descriptors, for the Post process:
Increased number of Shareplex sessions in target database.
A high number of rollbacks in the transactions mix.
Increased number of concurrent transactions on source.
Post processes going into recovery.
Heavily backlogged post queues and consequently a high number of files in rim directory.
Related solutions dealing with various Shareplex errors caused due to a large number of open files (not necessarily by Post):
SOL16944, SOL10227, SOL15113, SOL16944, SOL20361, SOL27389, SOL43000, SOL52983, SOL7994
