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help / color / mirror / Atom feedFrom: Andres Freund <[email protected]>
To: Peter Geoghegan <[email protected]>
Cc: Justin Pryzby <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: Masahiko Sawada <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Removing more vacuumlazy.c special cases, relfrozenxid optimizations
Date: Wed, 30 Mar 2022 20:35:51 -0700
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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<[email protected]>
Hi,
On 2022-03-30 20:28:44 -0700, Andres Freund wrote:
> I was able to trigger the crash.
>
> cat ~/tmp/pgbench-createdb.sql
> CREATE DATABASE pgb_:client_id;
> DROP DATABASE pgb_:client_id;
>
> pgbench -n -P1 -c 10 -j10 -T100 -f ~/tmp/pgbench-createdb.sql
>
> while I was also running
>
> for i in $(seq 1 100); do echo iteration $i; make -Otarget -C contrib/ -s installcheck -j48 -s prove_installcheck=true USE_MODULE_DB=1 > /tmp/ci-$i.log 2>&1; done
>
> I triggered twice now, but it took a while longer the second time.
Forgot to say how postgres was started. Via my usual devenv script, which
results in:
+ /home/andres/build/postgres/dev-assert/vpath/src/backend/postgres -c hba_file=/home/andres/tmp/pgdev/pg_hba.conf -D /srv/dev/pgdev-dev/ -p 5440 -c shared_buffers=2GB -c wal_level=hot_standby -c max_wal_senders=10 -c track_io_timing=on -c restart_after_crash=false -c max_prepared_transactions=20 -c log_checkpoints=on -c min_wal_size=48MB -c max_wal_size=150GB -c 'cluster_name=dev assert' -c ssl_cert_file=/home/andres/tmp/pgdev/ssl-cert-snakeoil.pem -c ssl_key_file=/home/andres/tmp/pgdev/ssl-cert-snakeoil.key -c 'log_line_prefix=%m [%p][%b][%v:%x][%a] ' -c shared_buffers=16MB -c log_min_messages=debug1 -c log_connections=on -c allow_in_place_tablespaces=1 -c log_autovacuum_min_duration=0 -c log_lock_waits=true -c autovacuum_naptime=10s -c fsync=off
Greetings,
Andres Freund
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To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
Subject: Re: Removing more vacuumlazy.c special cases, relfrozenxid optimizations
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