"Chris White \(cjwhite\)" <cjwhite(at)cisco(dot)com> writes:
> Just checked and found that the checkpoint interval is the same between
> 7.4.2 and 7.4.5. We also brought up a 7.4.2 version and didn't see these
> files being written/updated every 5 minutes. In which module are these files
> created?
See the TouchSocketLockFile calls in postmaster.c. I'm pretty sure that
logic did not change between 7.4.2 and 7.4.5 ...
regards, tom lane