HaoyuHuang

- pl to generate the WaitEventClass table based on https://www.postgresql.org/message-id/flat/aGKSzFlpQWSh/%2B2w%40ip-10-97-1-34.eu-west-3.compute.internal thread. Added 3 hooks. - pgstat_report_wait_start_hook and pgstat_report_wait_end_hook are called when pgstat_report_wait_start/end is called. - pgstat_report_stat_hook(force) is called when the...

1. Patch wait events from https://www.postgresql.org/message-id/flat/aGKSzFlpQWSh/%2B2w%40ip-10-97-1-34.eu-west-3.compute.internal thread. TODO. 2. move catalog changes to extension. 3. add timing support.

Replica does not flush dirty buffers on clean exit today. We need it to flush dirty buffers to compare the cached content between primary & replica.

Replica does not flush dirty buffers on clean exit today. We need it to flush dirty buffers to compare the cached content between primary & replica.