reshke commented on PR #763: URL: https://github.com/apache/cloudberry/pull/763#issuecomment-2531289761
> OK， follow RegisterCustomRmgr > > > > can `CUSTOM_SMGR_ID ` generated dynamic ？ so extension won't be confilct. > > > > > > Refer to custom RMGR implementation in Postgresql (15 or upper). https://www.postgresql.org/docs/15/custom-rmgr.html > > I doubt smgr id can be generated on the fly. If it does, how does Greenplum know which ID to use in crash recovery? > > xlog contain `smgr_name`, then map to smgr id ? SMGR ID is wal-logged. If smgr id is generated dynamic, how do we prevent is form changing between restarts? When smgr id if firstly assigned it should never change after. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
