<ul><li>Adjust flow control parameters to avoid overload during heavy operations. Monitor wsrep_flow_control_paused for improvements.</li><li>Ensure uniformity of wsrep_sst_auth values and grant necessary privileges to avoid Xtrabackup authentication failures.</li><li>Use identical xtrabackup versions and prefer the clone method for Galera 8.0.22+ to avoid version incompatibility issues.</li><li>Verify port accessibility and whitelist SST ports to resolve network and port configuration issues.</li></ul>

common pitfalls and solutions for mysqldump/xtrabackup-based SSTs

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