Re: vacuum fails with "could not open statistics file" "Device orresource busy"

On 10/19/2018 10:15 PM, Andres Freund wrote:
> Hi,
>
> buildfarm member lorikeet had an interesting buildfarm failure in the
> logical decoding test. The failure looks unrelated to logical decoding,
> but might be more widely relevant:
>
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=lorikeet&dt=2018-10-19%2011%3A22%3A34
>    VACUUM FULL pg_class;
> + WARNING:  could not open statistics file "pg_stat_tmp/global.stat": Device or resource busy
>
> Now that animal is cygwin based, so maybe it's just some random
> weirdness. But ISTM it could also indicate a bug of some sort.
>
> Were it native windows, I'd assume we'd keep a file open with the wrong
> flags or such...
>




I have switched the stats_temp_dir of this animal to a Windows Ramdisk. 
Lets' see if the problem persists.

cheers

andrew