Re: [BUGS] Breakage with VACUUM ANALYSE + partitions

On 2016-04-28 17:41:29 +0100, Thom Brown wrote:
> I've noticed another breakage, which I can reproduce consistently.
> 
> createdb pgbench
> pgbench -i -s 100 --unlogged-tables pgbench
> psql -f pgbench_partitions.sql pgbench
> vacuumdb -z pgbench
> createdb test
> 
> Which produces:
> 
> createdb: database creation failed: ERROR:  checkpoint request failed
> HINT:  Consult recent messages in the server log for details.

Interesting. Any chance you could verify if this actually related to
either the fix or the commit that was to blame for the previous issue?

Because

> user=thom,db=postgres,client=[local] STATEMENT:  CREATE DATABASE test;
> 2016-04-28 17:36:00 BST [18108]: [46-1] user=,db=,client= DEBUG:
>  performing replication slot checkpoint
> 2016-04-28 17:36:00 BST [18105]: [158-1] user=,db=,client= DEBUG:  server
> process (PID 18582) exited with exit code 0
> 2016-04-28 17:36:08 BST [18108]: [47-1] user=,db=,client= DEBUG:  could not
> fsync file "base/24581/24594.1" but retrying: No such file or directory
> 2016-04-28 17:36:08 BST [18108]: [48-1] user=,db=,client= ERROR:  could not
> fsync file "base/24581/24594.1": No such file or directory
> 2016-04-28 17:36:08 BST [18605]: [17-1]
> user=thom,db=postgres,client=[local] ERROR:  checkpoint request failed
> 2016-04-28 17:36:08 BST [18605]: [18-1]
> user=thom,db=postgres,client=[local] HINT:  Consult recent messages in the
> server log for details.
> 2016-04-28 17:36:08 BST [18605]: [19-1]

Doesn't really sound like it's necessarily related to the previous problem.

- Andres