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Introduces `FLUSH HASHICORP_KEY_MANAGEMENT_CACHE` command to flush the cached keys in the HashiCorp Key Management plugin, enabling rotation of encryption keys without needing to restart the server. The new `INFORMATION_SCHEMA.HASHICORP_KEY_MANAGEMENT_CACHE` table lists the key id and key version from the latest version cache. The table's content can be viewed using `SHOW HASHICORP_KEY_MANAGEMENT_CACHE` or queried directly. Executing the `FLUSH` command requires `RELOAD` privilege and access to INFORMATION_SCHEMA table requires `PROCESS` privilege. Bugfix (squashed): MDEV-38111: SIGSEGV when multiple servers use the same Vault KV storage for encrypted tables Problem: A data race between InnoDB background threads reading the cached keys and the thread executing FLUSH command clearing it without acquiring a lock. This non-synchronized memory write caused InnoDB threads that were concurrently reading the cache to access freed memory, leading to a crash. Fix: Acquire the lock before clearing the latest version cahce. This ensures the cache clearing operation is serialized, preventing concurrent access and resolving the data race. |
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| .. | ||
| audit_null | ||
| auth_dialog | ||
| auth_ed25519 | ||
| auth_examples | ||
| auth_gssapi | ||
| auth_mysql_sha2 | ||
| auth_pam | ||
| auth_parsec | ||
| auth_pipe | ||
| auth_socket | ||
| aws_key_management | ||
| cracklib_password_check | ||
| daemon_example | ||
| debug_key_management | ||
| disks | ||
| example_key_management | ||
| feedback | ||
| file_key_management | ||
| fulltext | ||
| func_test | ||
| handler_socket | ||
| hashicorp_key_management | ||
| locale_info | ||
| metadata_lock_info | ||
| password_reuse_check | ||
| provider_bzip2 | ||
| provider_lz4 | ||
| provider_lzma | ||
| provider_lzo | ||
| provider_snappy | ||
| qc_info | ||
| query_response_time | ||
| server_audit | ||
| simple_password_check | ||
| sql_errlog | ||
| test_sql_service | ||
| type_assoc_array | ||
| type_cursor | ||
| type_geom | ||
| type_inet | ||
| type_mysql_json | ||
| type_mysql_timestamp | ||
| type_test | ||
| type_uuid | ||
| user_variables | ||
| userstat | ||
| versioning | ||
| win_auth_client | ||
| wsrep_info | ||