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How does the Federated storage engine work in MySQL?
The FEDERATED storage engine lets you access data from a remote MySQL database without using replication or cluster technology. Querying a local FEDERATED table automatically pulls the data from the remote (federated) tables. No data is stored on the local tables.
Do you need EtherChannel for Inter-chassis cluster?
For inter-chassis clustering, you must add one or more interfaces to the EtherChannel. For a 2-member inter-chassis cluster, do not directly connect the cluster control link from one chassis to the other chassis.
How many cluster units can a firepower 9300 have?
For inter-chassis clustering on the Firepower 9300, which can include up to 3 cluster units in one chassis, if the backup owner is on the same chassis as the owner, then an additional backup owner will be chosen from another chassis to protect flows from a chassis failure.
How does the chassis supervisor bootstrap a cluster?
Creates the cluster bootstrap configuration within the application. When you deploy the cluster, the chassis supervisor pushes a minimal bootstrap configuration to each unit that includes the cluster name, cluster control link interface, and other cluster settings. Assigns data interfaces to the cluster as Spanned interfaces.
How to create a Federated table in MySQL 5.7?
MySQL 5.7 Reference Manual / / To create a FEDERATED table you should follow these steps: Create the table on the remote server. Alternatively, make a note of the table definition of an existing table, perhaps using the SHOW CREATE TABLE statement.
How to improve the performance of a Federated table?
You can improve the performance of a FEDERATED table by adding indexes to the table on the host. The optimization occurs because the query sent to the remote server includes the contents of the WHERE clause, and is sent to the remote server and subsequently executed locally.