> Am 19.04.2016 um 13:50 schrieb Yann Ylavic <ylavic....@gmail.com>: > > Hi Stefan, > > On Tue, Apr 19, 2016 at 12:02 PM, Stefan Eissing > <stefan.eiss...@greenbytes.de> wrote: >> The reported problem of segmentation faults in mod_http2 during a graceful >> restart seems to boil down to the fact that the document root is updated at >> the same time. On my OS X I can reproduce the SIGBUS when GETting the same >> 10 MB file again and again and copying over it. > > Well known issue of mmap() with truncated files :/ > >> >> However I'd like to understand the problem and my options here: what would I >> need to do to use mmap'ed files properly? Catch SIGBUS during the copy? >> Advice appreciated. > > Playing with SIGBUS is not wise IMHO, you could possibly disable > mmap() on a per bucket basis by using apr_bucket_file_enable_mmap()...
Thanks Yann, I tested that already and it works nicely. I see no negative impacts on my OS X tests, even some perf improvements for large files. Off it is then. - Stefan
