On 29/04/15 04:46, Howard Chu wrote:
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
This issue appears to have vanished after we upgraded to 0.9.14, so
consider it case closed! :-)