Re: CREATE INDEX CONCURRENTLY does not index prepared xact's data

On Sat, Oct 30, 2021 at 01:44:56PM +0530, Sandeep Thakkar wrote:
> On Sat, Oct 30, 2021 at 1:29 PM Sandeep Thakkar <sandeep(dot)thakkar(at)enterprisedb(dot)com> wrote:
> > On Sat, Oct 30, 2021 at 12:56 PM Andrey Borodin <x4mmm(at)yandex-team(dot)ru> wrote:
> >> Some failed runs on this animal indicate SegFault in places changed by
> >> bugfix relevant to this thread. Fails were observed only on HEAD, but this
> >> may be a result of concurrent nature of possible new bug. If there is a new
> >> bug - this would affect upcoming point release. But we do not know for
> >> sure. Other animals show no signs of any related SegFault.
> >> Can you please run make check phase on this animal on HEAD multiple time
> >> (preferably ~hundred times)? If some of this runs fail it's vital to
> >> collect backtraces of run.
> >
> > OK I got it now. I've scheduled "./run_build.pl HEAD" on this animal to
> > run multiple times in a day. Unfortunately, I can't run it ~100 times
> > because it's a legacy (slow) server and also we run another animal (anole -
> > with a different compiler) on the same server. Depending on the time every
> > run on HEAD takes, I'll increase the frequency. Hope this helps.
>
> I've used "--force" option so that it ignores the last running status.
> ./run_build.pl --verbose --force HEAD

Thanks, but I don't think that gets us closer to having a stack trace for the
SIGSEGV. If some run gets a SIGSEGV, the core dump will get unlinked. I'd
disable both buildfarm member cron jobs and then run this script (derived from
gharial's buildfarm configuration):

git clone https://git.postgresql.org/git/postgresql.git
cd postgresql
git checkout 70bef49
export LD_LIBRARY_PATH='/opt/uuid-1.6.2/inst/lib:/opt/packages/uuid-1.6.2/inst/lib:/opt/packages/krb5-1.11.3/inst/lib/hpux64:/opt/packages/libmemcached-0.46/inst/lib/hpux64:/opt/packages/libevent-2.0.10/inst/lib/hpux64:/opt/packages/expat-2.0.1/inst/lib/hpux64:/opt/packages/gdbm-1.8.3/inst/lib/hpux64:/opt/packages/openldap-2.4.24/inst/lib/hpux64:/opt/packages/proj-4.7.0/inst/lib:/opt/packages/geos-3.2.2/inst/lib:/opt/packages/db-5.1.19/inst/lib/hpux64:/opt/packages/freetype-2.4.4/inst/lib/hpux64:/opt/packages/tcltk-8.5.9/inst/lib/hpux64:/opt/packages/openssl-1.0.0d/inst/lib/hpux64:/opt/packages/editline-2.9/inst/lib/hpux64:/opt/packages/mutt-1.5.21/inst/lib/hpux64:/opt/packages/libidn-1.20/inst/lib/hpux64:/opt/packages/libxslt-1.1.26/inst/lib/hpux64:/opt/packages/libgcrypt-1.4.6/inst/lib/hpux64:/opt/packages/libgpg_error-1.10/inst/lib/hpux64:/opt/packages/libxml2-2.7.8/inst/lib/hpux64:/opt/packages/zlib-1.2.5/inst/lib/hpux64:/opt/packages/grep-2.7/inst/lib/hpux64:/opt/packages/pcre-8.12/inst/lib/hpux64:/opt/packages/ncurses-5.8/inst/lib/hpux64:/opt/packages/termcap-1.3.1/inst/lib/hpux64:/opt/packages/gettext-0.18.1.1/inst/lib/hpux64:/opt/packages/libiconv-1.13.1/inst/lib/hpux64:/opt/packages/sdk-10.2.0.5.0-hpux-ia64/instantclient_10_2/lib'
cat >temp.conf <<EOF
log_line_prefix = '%m [%p:%l] %q%a '
log_connections = 'true'
log_disconnections = 'true'
log_statement = 'all'
fsync = off
force_parallel_mode = regress
EOF
./configure --enable-cassert --enable-debug --with-perl --without-readline \
--with-libxml --with-libxslt --with-libs=/opt/packages/zlib-1.2.5/inst/lib/hpux64:/opt/packages/libxslt-1.1.26/inst/lib/hpux64:/opt/packages/libxml2-2.7.8/inst/lib/hpux64 \
--with-includes=/opt/packages/zlib-1.2.5/inst/include:/opt/packages/libxslt-1.1.26/inst/include:/opt/packages/libxml2-2.7.8/inst/include \
--with-pgport=5678 CFLAGS=-mlp64 CC=gcc
make
while make check TEMP_CONFIG=$PWD/temp.conf NO_LOCALE=1; do :; done
# When the loop stops, use the core file to make a stack trace. If it runs
# for a week without stopping, give up.