Kristian Amlie wrote: > We have enabled MDB_WRITEMAP on our HP-UX 11.23 Itanium after previous > discussions on the list, and that worked nicely for the most part. > > However now we face a different issue: Occasionally, mdb_txn_commit will > return "Resource temporarily unavailable". I have not been able to > determine exactly which resource it's talking about; I suspected shared > memory limits, but raising this limit did not solve the problem. This > issue did not occur without MDB_WRITEMAP. > > Any idea what else it could be? I can probably insert debug code into > LMDB if that's needed. > The only thing that can return that error is a syscall, and the only syscall performed with WRITEMAP is msync(). I suggest you start looking there.