v0.x Release Note

Support PTK metadata export and merge so that two PTK instances can merge conveniently.
Add the cluster inspect function that supports querying of cluster metadata.
Add the database instance-level cluster tool ptkc.

Support rebuilding from a standby database for cluster rebuilding and scale-out.
Support interactive update of a password or key when SSH connection fails.

Support upgrade of the MogDB database.
Add the promote/demote command to support role change.
Add the manage command to support manage the existing clusters.
Support installation and O&M of a database by a common user.
Support specifying of a role for starting or restarting a cluster.
Update the default installation version of software: MogDB 3.0.4 and MogHA 2.4.8.

Determine the database operation user of the demo and template -l commands based on the user status.
Support the quick switchover parameter.
Update the terminal interaction mode.
Optimize the judgment of the UOS system distribution.
Optimize the start command to add the verification of the primary database role.
Optimize the global interrupt signal handling process.
Optimize the system check item to add the ulimit check of a user (A19).

Support installation of MogDB 3.1 and plugins.
Add the demo command for quick deployment of MogDB locally and attached with most plugins.
Add the build subcommand to a cluster and support rebuilding of a specified database.
Add the meta command.
Add the selinux check item (A18) to the OS check.

Optimize the system parameter check to support generation of a recommended script for permanently disabling THP.
Optimize MogHA installation by adding configuration file verification and supporting installation by mode.
Optimize scale-in and scale-out operations in different scenarios.
Add the mutually exclusive lock on cluster write operations.
Optimize the cluster status query to support the query in the scenario where the server with instances deployed cannot be connected.
Optimize the CM-related cluster operations.
Fix some known bugs.

Add the failover/switchover function.
Add the show-hba/show-guc/show-config function so that users can query the cluster configuration information conveniently.
Add the MogHA installation function.
Add the shell command that can make the shell command or the script run quickly.
Add the refresh command so that users can update cluster configurations conveniently. Currently, the IP address modification function is available.
Add the register command that allows users to register the system type.
Add the CPU command to allow users to check the CPU architectures supported by PTK.
Add the copy mode in cluster scale-out.
Support the operation (start, stop, and query) on all the clusters.
Support installation of CM two-node in MogDB 3.0.1 or later.
Support Phytium CPU check.
Be compatible with openGauss installation.

Optimize that check and processing of the interrupt signal in execution.
Offer suggestions once an error occurs due to insufficient semaphore.
Fix the issue that CM fails to start because the AZ priority configuration is incorrect.
Fix other known issues.