On 2022/02/03 15:50, Kyotaro Horiguchi wrote:
On way to take. In that case should we log something like "Restartpoint canceled" or something?
+1
By the way, restart point should start only while recoverying, and at the timeof the start both checkpoint.redo and checkpoint LSN are already past. We shouldn't update minRecovery point after promotion, but is there any reason for not updating the checkPoint and checkPointCopy? If we update them after promotion, the which-LSN-to-show problem would be gone.
I tried to find the reason by reading the past discussion, but have not found that yet. If we update checkpoint and REDO LSN at pg_control in that case, we also need to update min recovery point at pg_control? Otherwise the min recovery point at pg_control still indicates the old LSN that previous restart point set. Regards, -- Fujii Masao Advanced Computing Technology Center Research and Development Headquarters NTT DATA CORPORATION
