wsrep Provider Options for MariaDB Enterprise Server 10.4
This page is part of MariaDB's Documentation.
The parent of this page is: Reference for MariaDB Enterprise Server 10.4
Topics on this page:
Overview
The following options can be set in the wsrep_
Option | Description | Dynamic |
---|---|---|
Specifies the data directory | NO | |
Global variable for internal use only | NO | |
Global variable for internal use only | NO | |
No default | NO | |
Log details of certification failures | YES | |
No default | NO | |
Controls parallel applying of replica actions | YES | |
Default: "" (an empty string) | YES | |
Enable debugging | YES | |
Defines how many entries the node allows for given a delayed node before triggering the auto eviction protocol | NO | |
For developer use only | NO | |
Controls EVS debug logging when wsrep_ | YES | |
Defines how long the node allows response times to deviate before adding an entry to the delayed list | NO | |
Defines how long the node requires a delayed node to remain responsive before it removes an entry from the delayed list | NO | |
Sets the point in which the cluster triggers manual eviction to a certain node value | NO | |
Defines how frequently the node should check for peer inactivity | NO | |
Defines a hard limit on node inactivity | NO | |
Defines additional logging options for the EVS Protocol | NO | |
Defines the timeout for install message acknowledgments. This parameter replaces | YES | |
Defines how often the node retransmits EVS join messages | YES | |
Defines how often the node emits keepalive signals | NO | |
Defines the number of membership install rounds to try before giving up | NO | |
Defines the maximum number of packets at a time in replication | YES | |
Control period of EVS statistics reporting | NO | |
Defines the inactivity period after which a node is suspected as dead | NO | |
Defines whether the node aggregates small packets into one when possible | NO | |
Defines the maximum number of data packets the node uses at a time in replication | YES | |
Defines the EVS Protocol version | NO | |
Defines how long the node saves past views from the view history | NO | |
NO | ||
Defines the directory where the writeset cache places its files | NO | |
Total size of the page storage pages to keep for caching purposes | NO | |
The maximum size of the | NO | |
Defines the filename for the writeset cache | NO | |
Size of the page files in page storage | NO | |
Specifies whether gcache recovery takes place on node startup | NO | |
Defines the amount of disk space the node should use in caching writesets | NO | |
Defines the policy and priority for the gcomm thread | NO | |
Specifies the number of writesets that should occur before posting debug statistics about replication flow | NO | |
Resume replication after recv queue drops below this fraction of | NO | |
Pause replication if recv queue exceeds this number of writesets | YES | |
Deprecated as of Galera 4.10 in favor of gcs.fc_ | NO | |
Defines whether there is more than one source of replication | NO | |
Sets the maximum packet size. Writesets that exceed the set size will be fragmented | NO | |
Specifies how much to throttle replication rate during state transfer (to avoid running out of memory) | NO | |
Specifies the maximum allowed size of recv queue | NO | |
Specifies the fraction of | NO | |
Specifies if the rest of the cluster should keep in sync with the donor | NO | |
Specifies the address at which Galera Cluster listens to connections from other nodes | NO | |
Specifies if UDP multicast will be used for replication | NO | |
Specifies the time to live value for multicast packets | NO | |
Sets the connection timeout to initiate message relaying | NO | |
Defines which network segment this node is in | NO | |
Specifies the amount of time to wait before allowing peer declared outside of stable view to reconnect | NO | |
Used to check which gmcast protocol version is used. For troubleshooting. Should not be implemented in production. | NO | |
Specifies the address to listen on for Incremental State Transfer (IST) | NO | |
Defines the address the node binds on for receiving an Incremental State Transfer (IST) | NO | |
Cluster joining announcements are sent every 1/2 second for this period of time or less if the other nodes are discovered | NO | |
If set to | NO | |
Checksum replicated messages | NO | |
Specifies if quorum calculations should be ignored | YES | |
Specifies if nodes are allowed to process updates in a split-brain situation | YES | |
Specifies the period for which the PC protocol waits for the EVS termination | NO | |
If set to TRUE, in the case of conflicting primaries, the more recent Primary Component overrides older ones | NO | |
When set to TRUE, the node stores the Primary Component state to disk in the | NO | |
Used for troubleshooting to check which pc protocol version is used | NO | |
If set to TRUE, the node waits for the | NO | |
Specifies the period of time to wait for a Primary Component | NO | |
As of version 2.4. sets the node weight for quorum calculation | YES | |
Specifies which transport backend to use. Currently only ASIO is supported | NO | |
Used for troubleshooting purposes to check which transport backend protocol version is used | NO | |
Specifies maximum time before causal reads timeout | NO | |
Specifies whether to allow Out-Of-Order committing (improves parallel applying performance) | NO | |
Sets the hash size to use for key formats (in bytes) | NO | |
Sets the maximum size of a writeset in bytes | NO | |
Used only for debugging. Sets the maximum protocol version in replication | NO | |
NO | ||
Specifies which checksum algorithm to use on the socket layer | NO | |
Specifies whether to enable connection engine to accept both SSL and TCP connections | NO | |
Sets the size of the receive buffer that is used on the network sockets between nodes | YES | |
Sets the size of the send buffer that is used on the network sockets between nodes | YES | |
Explicitly enables TLS usage by the wsrep provider | NO | |
Defines the path to the SSL certificate | NO | |
Specifies which symmetric cipher to use. By default SSL library implementation default cipher is used | NO | |
Specifies whether to enable compression on SSL connections | NO | |
Defines the path to the SSL certificate key | NO |
The following wsrep-provider-options are not present in MariaDB Enterprise Server 10.4.31-21 but are present in one or more older 10.4 ES versions. Click on an item to see its details, including when it was removed.
Option | Description | Dynamic |
---|---|---|
Defines the path to the SSL Certificate Authority (CA) file | NO | |
Defines a password file for use in SSL connections | NO | |
Reinitialize SSL context | YES |