Nathan Hartman wrote on Fri, Dec 27, 2019 at 15:39:10 -0500: > On Fri, Dec 27, 2019 at 12:41 AM Daniel Shahaf <d...@daniel.shahaf.name> > wrote: > > Nathan Hartman wrote on Thu, Dec 26, 2019 at 17:02:21 -0500: > > > (If you're wondering about /dev/sdb1, it appears to be a regular disk, > > > not a ramdrive, because this is a virtual machine and the ramdrive is > > > a disk image in RAM on the host. This allows it to persist through > > > reboots of the guest, moved to other guests, etc). > > > > But if the guest's kernel sees an ordinary block device, it'll still try to > > sync(2) it, won't it? I wonder if you'll see any benefit from eatmydata(1). > > Yes, it's kind of dumb to sync to a ramdisk. I'll play around with > eatmydata and see how much of a difference it makes in execution time. > Maybe I'll use that when I'm in a hurry. The full test suite with all > RA and backends took nearly 2.5 hours. I didn't know about eatmydata. > Thanks for mentioning it.
For reference, on my desktop it takes 56s to build and 581s to run a single svnserveautocheck. It's a non-virtualized maintainer mode build. > > > I don't know why the test failed before. Could be timing or something > > > else happening on the computer? As I continue experimenting, we'll see > > > if it fails again... I'll keep everyone posted. > > > > Forgot to say this earlier, but you might try running a threaded svnserve. > > In > > plain trunk that's «make svnserveautocheck THREADED=1»; I don't know how to > > do > > that in stsp's distro. > > I'll give it a try. I have to study how the makefile invokes the > regression tests. > > There is a variable THREADING in the makefile; it defaults to yes and > activates threading and thread-safety stuff in apr, gettext, ruby, and > sqlite. It has no effect on the Subversion build or tests. To be clear, I was referring to the variable THREADED in Subversion's Makefile, not to anything in stsp's distro. Perhaps this? — Index: tools/dev/unix-build/Makefile.svn =================================================================== --- tools/dev/unix-build/Makefile.svn (revision 1871981) +++ tools/dev/unix-build/Makefile.svn (working copy) @@ -2165,6 +2165,7 @@ env LD_LIBRARY_PATH=$(LD_LIBRARY_PATH) $(LIB_PTHREAD_HACK) \ env MAKEFLAGS= make check PARALLEL=$(PARALLEL) CLEANUP=$(CLEANUP) \ EXCLUSIVE_WC_LOCKS=$(EXCLUSIVE_WC_LOCKS) \ + THREADED=$(THREADED) \ SVN_BIN_DIR=$(SVN_PREFIX)/bin \ MEMCACHED_SERVER=$(MEMCACHED_SERVER) $1 FS_TYPE=$$fs; \ for log in tests.log fails.log; do \ (If it works for you, feel free to commit it, but note the comment at the top of the file.) Cheers, Daniel