Le dim. 2 janv. 2022 à 01:07, Noah Misch <n...@leadboat.com> a écrit :
> On Sat, Jan 01, 2022 at 11:35:02AM -0500, Tom Lane wrote: > > Noah Misch <n...@leadboat.com> writes: > > > I get the same results. The leak arises because AIX freelocale() > doesn't free > > > all memory allocated in newlocale(). The following program uses > trivial > > > memory on GNU/Linux, but it leaks like you're seeing on AIX: > > > > Bleah. > > > > > If you have access to file an AIX bug, I recommend doing so. If we > want > > > PostgreSQL to work around this, one idea is to have ECPG do this > newlocale() > > > less often. For example, do it once per process or once per connection > > > instead of once per ecpg_do_prologue(). > > > > It's worse than that: see also ECPGget_desc(). Seems like a case > > could be made for doing something about this just on the basis > > of cycles expended, never mind freelocale() bugs. > > Agreed. Once per process seems best. I only hesitated before since it > means > nothing will free this storage, which could be annoying in the context of > Valgrind and similar. However, ECPG already has bits of never-freed > memory in > the form of pthread_key_create() calls having no pthread_key_delete(), so I > don't mind adding a bit more. > Did this get anywhere? Is there something we could do to make this move forward? -- Guillaume.
