On 2016-06-09 19:33:52 -0700, Andres Freund wrote:
> I played with it for a while, and besides
> finding intentionally caused corruption, it didn't flag anything
> (besides crashing on a standby, as in 2)).

Ugh. Just sends after I sent that email:

       oid        |    t_ctid    
------------------+--------------
 pgbench_accounts | (889641,33)
 pgbench_accounts | (893854,56)
 pgbench_accounts | (924226,13)
 pgbench_accounts | (1073457,51)
 pgbench_accounts | (1084904,16)
 pgbench_accounts | (1111996,26)
(6 rows)

 oid | t_ctid 
-----+--------
(0 rows)

       oid        |    t_ctid    
------------------+--------------
 pgbench_accounts | (739198,13)
 pgbench_accounts | (887254,11)
 pgbench_accounts | (1050391,6)
 pgbench_accounts | (1158640,46)
 pgbench_accounts | (1238067,18)
 pgbench_accounts | (1273282,22)
 pgbench_accounts | (1355816,54)
 pgbench_accounts | (1361880,33)
(8 rows)

 oid | t_ctid 
-----+--------
(0 rows)

Seems to be correlated with a concurrent vacuum, but it's hard to tell,
because I didn't have psql output a timestamp.

Greetings,

Andres Freund


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