slave_parallel_threads
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If non-zero, number of threads to spawn to apply in parallel events on the slave that were group-committed on the master or were logged with GTID in different replication domains. Note that these threads are in addition to the IO and SQL threads, which are always created by a replication slave
See also: System Variables in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS
DETAILS
PARAMETERS
Command-line |
--slave_parallel_threads=# |
Configuration file |
Supported |
Dynamic |
Yes |
Scope |
Global |
Data Type |
BIGINT UNSIGNED |
Minimum Value |
0 |
Maximum Value |
16383 |
Default Value |
0 |
SKYSQL
Cloud |
SkySQL Topology |
ES Ver |
Default |
---|---|---|---|
AWS |
HA (Primary/Replica) |
10.4 |
0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
AWS |
HA (Primary/Replica) |
10.5 |
0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
AWS |
Transactional Standalone |
10.4 |
0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
AWS |
Transactional Standalone |
10.5 |
0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
AWS |
Distributed Transactions |
10.5 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
ColumnStore |
10.5 |
0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
ColumnStore Multi |
10.5 |
0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
Galera |
10.4 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
Galera |
10.5 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
HA (Primary/Replica) |
10.4 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
HA (Primary/Replica) |
10.5 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
HTAP |
10.5 |
0 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
Transactional Standalone |
10.4 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
Transactional Standalone |
10.5 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
GCP |
Distributed Transactions |
10.5 |
4 (choices: 0, 2, 4, 8, 16, 32, 64, 128, 256) |
See MariaDB SkySQL documentation to learn more about the MariaDB SkySQL database as a service.
CHANGE HISTORY
Release Series |
History |
---|---|
10.5 Enterprise |
|
10.5 Community |
|
10.4 Enterprise |
|
10.4 Community |
|
10.3 Enterprise |
|
10.3 Community |
|
10.2 Enterprise |
|
10.2 Community |
|
EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.
Information specific to MariaDB SkySQL can be found on the slave_parallel_threads page in the SkySQL Documentation.