Re: PostgreSQL 12 - ERROR: could not rename file "pg_logical/snapshots/1A-7C00D890.snap.13594.tmp" to "pg_logical/snapshots/1A-7C00D890.snap": No space left on device

FOUTE K. Jaurčs wrote:

> Hi everyone,
>
> I am use a native logical replication in PostgreSQL 12 on Ubuntu 16.04 and
> all is working fine until i faced this error below.
>
> ERROR:  could not rename file
> "pg_logical/snapshots/1A-7C00D890.snap.13594.tmp" to
> "pg_logical/snapshots/1A-7C00D890.snap": No space left on device
>
> Is there someone who faced this problem?
> Any idea how I can solve it ?
>
> BTW: I don't have any problem with space.
>
> Best Regard
>
> --
> Jaurčs FOUTE

If you really haven't run out of space,
you might have run out of inodes.
The -i option of df should show you.
100,000 empty files could cause that.
I wouldn't think that renaming would
require a new inode, but I also wouldn't
think that renaming would require any
more space on a file system.

cheers,
raf