> > > > > Ok, we can do that and then yes, RecoverPreparedTransaction() can just > have > > one loop going through the shmem entries. BUT, we cannot ignore > > "inredo"+"ondisk" entries. For such entries, we will have to read and > > recover from the corresponding 2PC files. > > Yes. About other things I found... In CheckPointTwoPhase(), I am > actually surprised that prepare_start_lsn and prepare_end_lsn are not > reset to InvalidXLogRecPtr when a shmem entry is flushed to disk after > ondisk is set to true, there is no need for them as the data does not > need to be fetched from WAL segments so we had better be consistent > (regression tests fail if I do that). And the two extra arguments in > MarkAsPreparing() are really unnecessary, they get set all the time to > InvalidXLogRecPtr. >
Micheal, it looks like you are working on a final version of this patch? I will wait to review it from my end, then. Regards, Nikhils -- Nikhil Sontakke http://www.2ndQuadrant.com/ PostgreSQL/Postgres-XL Development, 24x7 Support, Training & Services