Jacob Champion

AO/CO tables with dropped columns cannot be reliably COPY'd after upgrade

5

### Greenplum version or build `master` branch; likely applies to 4->6 and 5->6 upgrade cases as well ### Problematic behavior After a column is dropped from an AO/CO table and...

Primary certificates in the data directory are blown away after failover

1

If you've put your certificates and keys at the default locations inside the nodes' data directories (and pointed to them with `pg_autoctl enable ssl`), then the primary's cert and key...

Monitor crashes immediately post-upgrade (1.4.2->1.6.2)

4

(This shares similarities with #810, but I can't tell whether they have the same root cause.) We're seeing intermittent crashes when upgrading the monitor from 1.4.2 to 1.6.2: ``` TRAP:...

Dropping nodes during `join_primary` results in illegal state transition

1

After #480, dropping a node at the same time that the primary is in the `join_primary` state results in a hung transition. Here's a sample state log: ``` 2020-10-29 17:15:52.809786+00:00...

test_multi_standbys: add failing unit test

7

Rewrite `test_014` to exercise a "simultaneous" add/drop situation, which leads to a hung FSM. This does not fix the problem, just expose it. See #482 for full details. One additional...

[Flaky test] bgw_launcher doesn't see wait_event_changed

3

### Which test is flaky? bgw_launcher ### Since when has the test been flaky? February 14, 2023 ### Link to the failed test run https://github.com/timescale/timescaledb/actions/runs/4175600633/jobs/7233369995 ### Log output ```bash diff...