mysqlctl
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mysqlctl #
mysqlctl initializes and controls mysqld with Vitess-specific configuration.
Synopsis #
mysqlctl is a command-line client used for managing mysqld instances.
It is responsible for bootstrapping tasks such as generating a configuration file for mysqld and initializing the instance and its data directory.
The mysqld_safe watchdog is utilized when present.
This helps ensure that mysqld is automatically restarted after failures.
Options #
--alsologtostderr log to standard error as well as files
--app_idle_timeout duration Idle timeout for app connections (default 1m0s)
--app_pool_size int Size of the connection pool for app connections (default 40)
--catch-sigpipe catch and ignore SIGPIPE on stdout and stderr if specified
--config-file string Full path of the config file (with extension) to use. If set, --config-path, --config-type, and --config-name are ignored.
--config-file-not-found-handling ConfigFileNotFoundHandling Behavior when a config file is not found. (Options: error, exit, ignore, warn) (default warn)
--config-name string Name of the config file (without extension) to search for. (default "vtconfig")
--config-path strings Paths to search for config files in. (default [<WORKDIR>])
--config-persistence-min-interval duration minimum interval between persisting dynamic config changes back to disk (if no change has occurred, nothing is done). (default 1s)
--config-type string Config file type (omit to infer config type from file extension).
--db-credentials-file string db credentials file; send SIGHUP to reload this file
--db-credentials-server string db credentials server type ('file' - file implementation; 'vault' - HashiCorp Vault implementation) (default "file")
--db-credentials-vault-addr string URL to Vault server
--db-credentials-vault-path string Vault path to credentials JSON blob, e.g.: secret/data/prod/dbcreds
--db-credentials-vault-role-mountpoint string Vault AppRole mountpoint; can also be passed using VAULT_MOUNTPOINT environment variable (default "approle")
--db-credentials-vault-role-secretidfile string Path to file containing Vault AppRole secret_id; can also be passed using VAULT_SECRETID environment variable
--db-credentials-vault-roleid string Vault AppRole id; can also be passed using VAULT_ROLEID environment variable
--db-credentials-vault-timeout duration Timeout for vault API operations (default 10s)
--db-credentials-vault-tls-ca string Path to CA PEM for validating Vault server certificate
--db-credentials-vault-tokenfile string Path to file containing Vault auth token; token can also be passed using VAULT_TOKEN environment variable
--db-credentials-vault-ttl duration How long to cache DB credentials from the Vault server (default 30m0s)
--db_charset string Character set used for this tablet. (default "utf8mb4")
--db_conn_query_info enable parsing and processing of QUERY_OK info fields
--db_connect_timeout_ms int connection timeout to mysqld in milliseconds (0 for no timeout)
--db_dba_password string db dba password
--db_dba_use_ssl Set this flag to false to make the dba connection to not use ssl (default true)
--db_dba_user string db dba user userKey (default "vt_dba")
--db_flags uint Flag values as defined by MySQL.
--db_flavor string Flavor overrid. Valid value is FilePos.
--db_host string The host name for the tcp connection.
--db_port int tcp port
--db_server_name string server name of the DB we are connecting to.
--db_socket string The unix socket to connect on. If this is specified, host and port will not be used.
--db_ssl_ca string connection ssl ca
--db_ssl_ca_path string connection ssl ca path
--db_ssl_cert string connection ssl certificate
--db_ssl_key string connection ssl key
--db_ssl_mode SslMode SSL mode to connect with. One of disabled, preferred, required, verify_ca & verify_identity.
--db_tls_min_version string Configures the minimal TLS version negotiated when SSL is enabled. Defaults to TLSv1.2. Options: TLSv1.0, TLSv1.1, TLSv1.2, TLSv1.3.
--dba_idle_timeout duration Idle timeout for dba connections (default 1m0s)
--dba_pool_size int Size of the connection pool for dba connections (default 20)
-h, --help help for mysqlctl
--keep_logs duration keep logs for this long (using ctime) (zero to keep forever)
--keep_logs_by_mtime duration keep logs for this long (using mtime) (zero to keep forever)
--lameduck-period duration keep running at least this long after SIGTERM before stopping (default 50ms)
--log_backtrace_at traceLocations when logging hits line file:N, emit a stack trace
--log_dir string If non-empty, write log files in this directory
--log_err_stacks log stack traces for errors
--log_rotate_max_size uint size in bytes at which logs are rotated (glog.MaxSize) (default 1887436800)
--logtostderr log to standard error instead of files
--max-stack-size int configure the maximum stack size in bytes (default 67108864)
--mysql_port int MySQL port. (default 3306)
--mysql_server_version string MySQL server version to advertise. (default "8.0.30-Vitess")
--mysql_socket string Path to the mysqld socket file.
--mysqlctl_client_protocol string the protocol to use to talk to the mysqlctl server (default "grpc")
--mysqlctl_mycnf_template string template file to use for generating the my.cnf file during server init
--mysqlctl_socket string socket file to use for remote mysqlctl actions (empty for local actions)
--onclose_timeout duration wait no more than this for OnClose handlers before stopping (default 10s)
--onterm_timeout duration wait no more than this for OnTermSync handlers before stopping (default 10s)
--pid_file string If set, the process will write its pid to the named file, and delete it on graceful shutdown.
--pool_hostname_resolve_interval duration if set force an update to all hostnames and reconnect if changed, defaults to 0 (disabled)
--pprof strings enable profiling
--pprof-http enable pprof http endpoints (default true)
--purge_logs_interval duration how often try to remove old logs (default 1h0m0s)
--replication_connect_retry duration how long to wait in between replica reconnect attempts. Only precise to the second. (default 10s)
--security_policy string the name of a registered security policy to use for controlling access to URLs - empty means allow all for anyone (built-in policies: deny-all, read-only)
--service_map strings comma separated list of services to enable (or disable if prefixed with '-') Example: grpc-queryservice
--socket_file string Local unix socket file to listen on
--stderrthreshold severityFlag logs at or above this threshold go to stderr (default 1)
--table-refresh-interval int interval in milliseconds to refresh tables in status page with refreshRequired class
--tablet_dir string The directory within the vtdataroot to store vttablet/mysql files. Defaults to being generated by the tablet uid.
--tablet_uid uint32 Tablet UID. (default 41983)
--v Level log level for V logs
-v, --version print binary version
--vmodule vModuleFlag comma-separated list of pattern=N settings for file-filtered logging
SEE ALSO #
- mysqlctl init - Initializes the directory structure and starts mysqld.
- mysqlctl init_config - Initializes the directory structure, creates my.cnf file, but does not start mysqld.
- mysqlctl position - Compute operations on replication positions
- mysqlctl reinit_config - Reinitializes my.cnf file with new server_id.
- mysqlctl shutdown - Shuts down mysqld, without removing any files.
- mysqlctl start - Starts mysqld on an already 'init'-ed directory.
- mysqlctl teardown - Shuts mysqld down and removes the directory.