BUG #14036: xmin is null in pg_relication_slots

On March 19, 2016 12:24:16 PM PDT, jkoceniak@mediamath.com wrote:

The following bug has been logged on the website:

Bug reference: 14036
Logged by: Jamie Koceniak
Email address: jkoceniak@mediamath.com
PostgreSQL version: 9.4.6
Operating system: Debian
Description:

We just configured 6 replication slots and I noticed that 2 of the 6
replication slots have a NULL value for xmin. Is this problematic?

postgres=# select slot_name, xmin from pg_replication_slots;
slot_name | xmin
----------------+------------
standb5 | 1571582845
standby3 | 1571582849
standby6 | 1571582850
standby4 | 1571582853
standby2 |
standby1 |

Have you enabled hot_standby_feedback on those? Are act queries running on them?
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