On Fri, Dec 30, 2016 at 11:12 AM, <digoal@126.com> wrote:
> when our database upgrade from 9.4.2 to 9.4.8.
> there some error when create table .
You may want to use the latest 9.4.10, many bugs have been fixed since
9.4.8, including one that has the pattern you saw.
> “could not read block 7 in file "base/16393/12769": read only 0 of 8192
> bytes”
Have a look at the first item listed here:
https://www.postgresql.org/docs/9.6/static/release-9-4-10.html
"Fix WAL-logging of truncation of relation free space maps and visibility maps"
--
Michael
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