Start the old cluster again, and allow it to recover from the latest logs before shutting it down. The source cluster was not shut down cleanly. The source cluster was not shut down cleanly $ -b -d -B -D Consistency Checks Use the absolute path to version 15’s pg_upgrade binary to run the correct one. If you see this error, it is likely a result of running the pg_upgrade binary that shipped with the old version (14) instead of the new version (15). $ source ~/.zshrc Troubleshooting steps Failed: Incorrect version $ pg_upgrade -b -d -B -D for failed: incorrect version: found "postgres (PostgreSQL) 15.4 (Homebrew)", expected "postgres (PostgreSQL) 14.9 (Homebrew)" Add the new version’s binaries to your $PATH $ echo 'export > ~/.zshrc You may also want to run the suggested vacuumdb command mentioned in the log above. delete_old_cluster.sh Start the service $ brew services start everything works as expected, you can delete the old cluster’s data directory. Running this script will delete the old cluster's data files: Once you start the new server, consider vacuumdb -all -analyze-in-stages Optimizer statistics are not transferred by pg_upgrade. Restoring database schemas in the new cluster Restoring global objects in the new cluster ok Setting frozenxid and minmxid counters in new cluster ok Setting next multixact ID and offset for new cluster ok Setting next transaction ID and epoch for new cluster okĭeleting files from new pg_multixact/offsets okĬopying old pg_multixact/offsets to new server okĭeleting files from new pg_multixact/members okĬopying old pg_multixact/members to new server ok If pg_upgrade fails after this point, you must re-initdb the D results in the following output: Performing Consistency ChecksĬhecking database user is the install user okĬhecking for system-defined composite types in user tables okĬhecking for reg* data types in user tables okĬhecking for contrib/isn with bigint-passing mismatch okĬhecking for presence of required libraries okĬhecking for new cluster tablespace directories ok Note that we’re running the pg_upgrade binary from the 15.4 directory, instead of the 14.9 one in the $PATH. For reference, the pg_upgrade command needs the old and new binary directories, and the old and new data directories: $ pg_upgrade \ $ brew services stop brew services stop Run the pg_upgrade commandįor convenience, we’ll run this from the /opt/homebrew/var directory, where the PostgreSQL data is stored. The upgrade will not proceed unless the postmasters for both clusters are stopped. The usual caveats and warnings apply here: take backups of your data before proceeding with upgrades, and test your backups to ensure that they work. If you have different minor versions, substitute them accordingly in the pg_upgrade command line that follows. These steps assume you have installed PostgreSQL versions 14.9 and 15.4 via brew already. Note: if you need the upgrade steps for version 15 to 16, you can find them here. Use brew list to see what's installed.“One of the poets, whose name I cannot recall, has a passage, which I am unable at the moment to remember, in one of his works, which for the time being has slipped my mind, which hits off admirably this age-old situation.” – P.G. ![]() If you used Homebrew, use the brew uninstall command to uninstall PostgreSQL and any related packages. If you used another installer, refer to the macOS documentation for instructions on uninstalling an app. ![]() ![]() These instructions apply if you used EDB's interactive Mac installer to install PostgreSQL. When the uninstaller completes, select OK. Then, from the list, select the components to uninstall, and select Next.Ī progress bar keeps you informed as PostgreSQL is removed. To remove individual components, select Individual components and select Next. To remove the entire application, select Entire application and select Next. You can remove the entire application or individual components. ![]() Right-click PostgreSQL, and select Uninstall/Change from the context menu. On the Windows Control Panel, open the Uninstall or Change a Program dialog box. Use the uninstall program created for that application during the install process. If you used Stack Builder to install any applications that work with PostgreSQL, you must uninstall each application.
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