to compensate for database temporarily not being available. This is not
suitable for longer database outages as 5 retries with a 1.5 multiplier
will not give much time to recover but should cover for cluster changes
and short network hickups.
Signed-off-by: Knut Ahlers <knut@ahlers.me>
which didn't work as `string` is a `LONGTEXT` field which cannot fully
be indexed while MariaDB does not have those issues.
Signed-off-by: Knut Ahlers <knut@ahlers.me>