causal_reads
This page is part of MariaDB's SkySQL Documentation.
The parent of this page is: Module Parameters for MariaDB MaxScale
Topics on this page:
Overview
Configures read causality, reads subsequent to writes issued in manner to reduce replication lag.
See also: Module Parameters for MariaDB MaxScale 6
DETAILS
Read/Write Split router supports read causality operations. When enabled, following write operations, MaxScale adjusts subsequent reads to reduce replication lag.
Option | Description |
|---|---|
| Disables read causality. |
| Writes visible to the connection that issues the write statement, waits for the Replica Server to catch up. Writes performed by other connections are not visible. |
| Writes visible to all connections. When one connection performs a write, all connections to the same service can see it. |
| Writes visible to the connection that issues the write statement, but does not wait for the Replica Server to catch up. Writes performed by other connections are not visible. |
CHANGE HISTORY
Release Series | History |
|---|---|
6 |
|
EXTERNAL REFERENCES
This page shows information specific to MariaDB SkySQL. Information for non-SkySQL use can be found on the causal_reads page in the MariaDB Enterprise Documentation.