I did see many workflows/scripts which re-create data directory with commands like:
sudo rm -rf /var/lib/mysql/*
|
sudo mysql_install_db
|
OR :
sudo rm -rf /var/lib/mysql/*
|
cp -R /backup-location/* /var/lib/mysql/
|
The rm command will not clean up eventual .rocksdb folder, which may cause errors in new instance like:
2017-10-25 10:12:40 139671395502272 [Warning] RocksDB: Schema mismatch - Table d9.b is registered in RocksDB but does not have a .frm file
|
2017-10-25 10:12:40 139671395502272 [ERROR] RocksDB: Problems validating data dictionary against .frm files, exiting
|
2017-10-25 10:12:40 139671395502272 [ERROR] RocksDB: Failed to initialize DDL manager.
|
2017-10-25 10:12:40 139671395502272 [ERROR] Plugin 'ROCKSDB' init function returned error.
|
2017-10-25 10:12:40 139671395502272 [ERROR] Plugin 'ROCKSDB' registration as a STORAGE ENGINE failed.
|
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