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Rechercher dans le manuel MySQL

20.5.5.2 X Plugin System Variables and Options

Table des matières

The following command options configure X Plugin:

  • --mysqlx[={OFF|ON}]

    Property Value
    Command-Line Format --mysqlx[={OFF|ON}]
    Introduced 8.0.11
    System Variable mysqlx
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Boolean
    Default Value ON

    Specifies whether the X Plugin should be disabled. Defaults to ON, set to OFF to disable X Plugin.

  • --mysqlx-bind-address[=value]

    Property Value
    Command-Line Format --mysqlx-bind-address=#
    System Variable mysqlx_bind_address
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type String
    Default Value *

    Specifies the network address which X Plugin uses for connections.

    By default X Plugin listens for connections on a single IPv4 TCP/IP network socket. Use this option to configure where X Plugin listens for connections, such as binding to an IPv6 address, all IPv4 and IPv6 addresses or a default IPv6 address with a fallback IPv4 address.

    X Plugin treats different types of addresses as follows:

    • If the address is *, X Plugin accepts TCP/IP connections on all server host IPv6 and IPv4 interfaces if the server host supports IPv6, or accepts TCP/IP connections on all IPv4 addresses otherwise. Use this address to permit both IPv4 and IPv6 connections on all server interfaces. This value is the default.

    • If the address is 0.0.0.0, X Plugin accepts TCP/IP connections on all server host IPv4 interfaces. This value is the default.

    • If the address is ::, X Plugin accepts TCP/IP connections on all server host IPv4 and IPv6 interfaces.

    • If the address is *, X Plugin accepts TCP/IP connections on all server host IPv6 and IPv4 interfaces if the server host supports IPv6, or accepts TCP/IP connections on all IPv4 addresses otherwise. Use this address to permit both IPv4 and IPv6 connections for X Plugin.

    • If the address is an IPv4-mapped address, X Plugin accepts TCP/IP connections for that address, in either IPv4 or IPv6 format. For example, if X Plugin is bound to ::ffff:127.0.0.1, a client such as MySQL Shell can connect using --host=127.0.0.1 or --host=::ffff:127.0.0.1.

    • If the address is a “regular” IPv4 or IPv6 address (such as 127.0.0.1 or ::1), X Plugin accepts TCP/IP connections only for that IPv4 or IPv6 address.

  • --mysqlx-connect-timeout[=value]

    Property Value
    Command-Line Format --mysqlx-connect-timeout=#
    System Variable mysqlx_connect_timeout
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 30
    Minimum Value 1
    Maximum Value 1000000000

    Number of seconds X Plugin waits for the first packet to be received from newly connected clients. The X Plugin equivalent of connect_timeout.

  • --mysqlx-idle-worker-thread-timeout[=value]

    Property Value
    Command-Line Format --mysqlx-idle-worker-thread-timeout=#
    System Variable mysqlx_idle_worker_thread_timeout
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 60
    Minimum Value 0
    Maximum Value 3600

    Time in seconds after which an idle worker thread is terminated.

  • --mysqlx-interactive-timeout=value]

    Property Value
    Command-Line Format --mysqlx-interactive-timeout=#
    Introduced 8.0.4
    System Variable mysqlx_interactive_timeout
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 28800
    Minimum Value 1
    Maximum Value 2147483

    Default value of the mysqlx_wait_timeout session variable for interactive clients.

  • --mysqlx-max-allowed-packet[=value]

    Property Value
    Command-Line Format --mysqlx-max-allowed-packet=#
    System Variable mysqlx_max_allowed_packet
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 1048576
    Minimum Value 512
    Maximum Value 1073741824

    Maxmum size of a network packet that X Plugin can process.

  • --mysqlx-max-connections[=value]

    Property Value
    Command-Line Format --mysqlx-max-connections=#
    System Variable mysqlx_max_connections
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 100
    Minimum Value 1
    Maximum Value 65535

    Maximum number of concurrent client connections the X Plugin can accept. When modifying this variable, if the new value is smaller than the current number of connections, the new limit is only taken into account for new connections.

  • --mysqlx-min-worker-threads[=value]

    Property Value
    Command-Line Format --mysqlx-min-worker-threads=value
    System Variable mysqlx_min_worker_threads
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 2
    Minimum Value 1
    Maximum Value 100

    The minimum number of worker threads the X Plugin uses for handling client requests.

  • --mysqlx-port[=value]

    Property Value
    Command-Line Format --mysqlx-port=#
    System Variable mysqlx_port
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Integer
    Default Value 33060
    Minimum Value 1
    Maximum Value 65535

    Specifies the port where the X Plugin listens for connections. The equivalent of port for X Plugin.

  • --mysqlx-port-open-timeout[=value]

    Property Value
    Command-Line Format --mysqlx-port-open-timeout=#
    System Variable mysqlx_port_open_timeout
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Integer
    Default Value 0
    Minimum Value 1
    Maximum Value 120

    The amount of time in seconds which X Plugin waits for a TCP/IP port to become free.

  • --mysqlx-read-timeout[=value]

    Property Value
    Command-Line Format --mysqlx-read-timeout=#
    Introduced 8.0.4
    System Variable mysqlx_port_read_timeout
    Scope Session
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 28800
    Minimum Value 30
    Maximum Value 2147483

    Number of seconds that X Plugin waits for blocking read operations to complete. After this time, if the read operation is not successful, the connection is aborted.

  • --mysqlx-socket[=value]

    Property Value
    Command-Line Format --mysqlx-socket=file_name
    System Variable mysqlx_socket
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type String
    Default Value /tmp/mysqlx.sock

    The path to a Unix socket file which X Plugin uses for connections. Only used by MySQL Server when running on Unix operating systems. Clients can then use this socket to connect to MySQL Server using the X Plugin.

    The value of mysqlx_socket depends on the value of socket. By default socket is /tmp/mysql.sock and therefore mysqlx_socket is /tmp/mysqlx.sock. If socket is set to /sockets/mysql.sock and mysqlx_socket has not been manually configured, then mysqlx_socket is set to /sockets/mysqlx.sock. In other words the path and filename of socket is used and an x is appended to the filename, this enables you to conveniently store the sockets used by MySQL server at a single path. To define separate paths or unique filenames for the MySQL and X Plugin sockets, configure both the socket and the mysqlx_socket system variables. For example in a configuration file: 

    socket=/home/sockets/mysqld/mysql.sock
mysqlx_socket=/home/sockets/xplugin/xplugin.sock

    Alternatively, X Plugin can be configured at compile time to use a specific socket with the MYSQLX_UNIX_ADDR option. If the X Plugin MYSQLX_UNIX_ADDR compile option is not set, the value is based on the MYSQL_UNIX_ADDR and adds an x to the file name, for example resulting in /tmp/mysqlx.sock.

  • --mysqlx-ssl-ca[=value]

    Property Value
    Command-Line Format --mysqlx-ssl-ca=file-name
    System Variable mysqlx_ssl_ca
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type File name

    The equivalent of ssl_ca for X Plugin, see that variable for more information.

  • --mysqlx-ssl-capath[=value]

    Property Value
    Command-Line Format --mysqlx-ssl-capath=dir_name
    System Variable mysqlx_ssl_capath
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Directory name

    The equivalent of ssl_capath for X Plugin, see that variable for more information.

  • --mysqlx-ssl-cert[=value]

    Property Value
    Command-Line Format --mysqlx-ssl-cert=name
    System Variable mysqlx_ssl_cert
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type File name

    The equivalent of ssl_cert for X Plugin, see that variable for more information.

  • --mysqlx-ssl-cipher[=value]

    Property Value
    Command-Line Format --mysqlx-ssl-cipher=name
    System Variable mysqlx_ssl_cipher
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type String

    The SSL cipher to use for X Protocol connections. The X Plugin equivalent of ssl_cipher.

  • --mysqlx-ssl-crl[=value]

    Property Value
    Command-Line Format --mysqlx-ssl-crl=file_name
    System Variable mysqlx_ssl_crl
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type File name

    The equivalent of ssl_crl for X Plugin, see that variable for more information.

  • --mysqlx-ssl-crlpath[=value]

    Property Value
    Command-Line Format --mysqlx-ssl-crlpath=directory_name
    System Variable mysqlx_ssl_crlpath
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Directory name

    The equivalent of ssl_crlpath for X Plugin, see that variable for more information.

  • --mysqlx-ssl-key[=value]

    Property Value
    Command-Line Format --mysqlx-ssl-key=file-name
    System Variable mysqlx_ssl_key
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type File name

    The equivalent of ssl_key for X Plugin, see that variable for more information.

  • --mysqlx-wait-timeout[=value]

    Property Value
    Command-Line Format --mysqlx-wait-timeout=value
    Introduced 8.0.4
    System Variable mysqlx_wait_timeout
    Scope Session
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 28800
    Minimum Value 1
    Maximum Value 2147483

    Number of seconds that X Plugin waits for activity on a connection. After this time, if the read-operation is not successful, the connection is aborted. If the client is non-interactive, the initial value of the session variable is copied from the global mysqlx_wait_timeout variable. For interactive clients, the initial value is copied from the session mysqlx_interactive_timeout.

  • --mysqlx-write-timeout[=value]

    Property Value
    Command-Line Format --mysqlx-write-timeout=value
    Introduced 8.0.4
    System Variable mysqlx_write_timeout
    Scope Session
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 60
    Minimum Value 1
    Maximum Value 2147483

    Number of seconds that X Plugin waits for blocking write operations to complete. After this time, if the write operation is not successful, the connection is aborted.

When X Plugin is running the following system variables are available.

  • mysqlx

    Property Value
    Command-Line Format --mysqlx[={OFF|ON}]
    Introduced 8.0.11
    System Variable mysqlx
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Boolean
    Default Value ON

    Specifies whether the X Plugin should be disabled. Defaults to ON, set to OFF to disable X Plugin.

  • mysqlx_bind_address

    Property Value
    Command-Line Format --mysqlx-bind-address=value
    System Variable mysqlx_bind_address
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type String
    Default Value *

    The network address which X Plugin uses for connections. The equivalent of bind_address for X Plugin, see that variable for more information. This variable is not dynamic and can only be configured at start up.

  • mysqlx_connect_timeout

    Property Value
    Command-Line Format --mysqlx-connect-timeout=value
    System Variable mysqlx_connect_timeout
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 30
    Minimum Value 1
    Maximum Value 1000000000

    Number of seconds X Plugin waits for the first packet to be received from newly connected clients. The equivalent of connect_timeout for X Plugin.

  • mysqlx_document_id_unique_prefix

    Property Value
    Command-Line Format --mysqlx-document-id-unique-prefix=value
    System Variable mysqlx_document_id_unique_prefix
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 0
    Minimum Value 0
    Maximum Value 65535

    Sets the first 4 bytes of document IDs generated by the server when documents are added to a collection. By setting this variable to a unique value per instance, you can ensure document IDs are unique across instances. See Understanding Document IDs.

  • mysqlx_idle_worker_thread_timeout

    Property Value
    Command-Line Format --mysqlx-idle-worker-thread-timeout=value
    System Variable mysqlx_idle_worker_thread_timeout
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 60
    Minimum Value 0
    Maximum Value 3600

    Number of seconds after which an idle worker thread is terminated.

  • mysqlx_interactive_timeout

    Property Value
    Command-Line Format --mysqlx-interactive-timeout=value
    Introduced 8.0.4
    System Variable mysqlx_interactive_timeout
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 28800
    Minimum Value 1
    Maximum Value 2147483

    Default value of the mysqlx_wait_timeout session variable for interactive clients.

  • mysqlx_max_allowed_packet

    Property Value
    Command-Line Format --mysqlx-max-allowed-packet=value
    System Variable mysqlx_max_allowed_packet
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 1048576
    Minimum Value 512
    Maximum Value 1073741824

    Maximum size of a network packet that can be received by X Plugin. The X Plugin equivalent of max_allowed_packet.

  • mysqlx_min_worker_threads

    Property Value
    Command-Line Format --mysqlx-min-worker-threads=value
    System Variable mysqlx_min_worker_threads
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 2
    Minimum Value 1
    Maximum Value 100

    Minimum number of worker threads the X Plugin uses for handling client requests.

  • mysqlx_max_connections

    Property Value
    Command-Line Format --mysqlx-max-connections=value
    System Variable mysqlx_max_connections
    Scope Global
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 100
    Minimum Value 1
    Maximum Value 65535

    Maximum number of concurrent client connections X Plugin can accept. The X Plugin equivalent of max_connections.

  • mysqlx_port

    Property Value
    Command-Line Format --mysqlx-port=value
    System Variable mysqlx_port
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Integer
    Default Value 33060
    Minimum Value 1
    Maximum Value 65535

    The network port which X Plugin uses for connections. The X Plugin equivalent of port.

  • mysqlx_port_open_timeout

    Property Value
    Command-Line Format --mysqlx-port-open-timeout=value
    System Variable mysqlx_port_open_timeout
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type Integer
    Default Value 0
    Minimum Value 0
    Maximum Value 100

    The amount of time in seconds which X Plugin waits for a TCP/IP port to become free.

  • mysqlx_read_timeout

    Property Value
    Command-Line Format --mysqlx-read-timeout=value
    Introduced 8.0.4
    System Variable mysqlx_read_timeout
    Scope Session
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 28800
    Minimum Value 30
    Maximum Value 2147483

    Number of seconds that X Plugin waits for blocking read operations to complete. After this time, if the read operation is not successful, the connection is aborted.

  • mysqlx_socket

    Property Value
    Command-Line Format --mysqlx-socket=file_name
    System Variable mysqlx_socket
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type String
    Default Value /tmp/mysqlx.sock

    The socket where X Plugin listens for connections.

  • mysqlx_ssl_cipher

    Property Value
    Command-Line Format --mysqlx-ssl-cipher=name
    System Variable mysqlx_ssl_cipher
    Scope Global
    Dynamic No
    SET_VAR Hint Applies No
    Type String

    The SSL cipher to use for X Protocol connections. The X Plugin equivalent of ssl_cipher.

  • mysqlx_wait_timeout

    Property Value
    Command-Line Format --mysqlx-wait-timeout=value
    Introduced 8.0.4
    System Variable mysqlx_wait_timeout
    Scope Session
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 28800
    Minimum Value 1
    Maximum Value 2147483

    Number of seconds that X Plugin waits for activity on a connection. After this time, if the read-operation is not successful, the connection is aborted. If the client is non-interactive, the initial value of the session variable is copied from the global mysqlx_wait_timeout variable. For interactive clients, the initial value is copied from the session mysqlx_interactive_timeout.

  • mysqlx_write_timeout

    Property Value
    Command-Line Format --mysqlx-write-timeout=value
    Introduced 8.0.4
    System Variable mysqlx_write_timeout
    Scope Session
    Dynamic Yes
    SET_VAR Hint Applies No
    Type Integer
    Default Value 60
    Minimum Value 1
    Maximum Value 2147483

    Number of seconds that X Plugin waits for blocking write operations to complete. After this time, if the write operation is not successful, the connection is aborted.


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Document créé le 26/06/2006, dernière modification le 26/10/2018
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