>> You can choose to do non-blocking for named pipes. However, named >> pipes (aka 'FIFO's to many in the Linux world) have a much tighter >> coupling between producers and consumers than message queues do. For >> example, if a writer tries to write to a named pipe that has no >> readers, a SIGPIPE (or EPIPE if SIGPIPE is being ignored) is >> generated > > Sometimes, I need to get more debugging info after the fact. I'm just > wondering if queues function as a circular buffer when no readers are > present. I'm wondering how useful it would be to be able to get the last X > messages of maximum verbosity from a circular buffer. If something of > interest happens, then ask the service to dump the circular buffer > somewhere. > > Granted, this doesn't come up often, and I'm not sure how this would be > better or worse than a memdump or something similar.
Auditlogs have limited value as a verbose events, since they represent actions taken by clients, not things which were generated internally by the fileserver event loops, for instance. Derrick _______________________________________________ OpenAFS-devel mailing list [email protected] https://lists.openafs.org/mailman/listinfo/openafs-devel
