mysql cluster造句

Data within MySQL Cluster ( NDB ) tables is automatically application.
MySQL Cluster is able to support cross-shard queries and transactions.
"' NDB Cluster "'is the distributed database system underlying MySQL Cluster.
When a MySQL Cluster table is maintained in memory, the cluster will only access disk storage to write Redo records and checkpoints.
Starting with MySQL Cluster 7.2, support for synchronous replication between data centers was supported with the Multi-Site Clustering feature.
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It is also possible to replicate asynchronously between clusters; this is sometimes referred to as " MySQL Cluster Replication " or " geographical replication ".
Tips and recommendations on deploying highly performant, production grade clusters can be found in the MySQL Cluster Evaluation Guide and the Guide to Optimizing Performance of the MySQL Cluster Database.
Tips and recommendations on deploying highly performant, production grade clusters can be found in the MySQL Cluster Evaluation Guide and the Guide to Optimizing Performance of the MySQL Cluster Database.
Unlike standard MySQL replication, MySQL Cluster's geographic replication uses optimistic concurrency control and the concept of Epochs to provide a mechanism for conflict detection and resolution, enabling active / active clustering between data centers.
MySQL Cluster writes asynchronously with respect to transaction commit, some small number of transactions can be lost if the full cluster fails, however this can be mitigated by using geographic replication or multi-site cluster discussed above.
As these writes are sequential and limited random access patterns are involved, MySQL Cluster can achieve higher write throughput rates with limited disk hardware compared to a traditional disk-based caching RDBMS . This checkpointing to disk of in-memory table data can be disabled ( on a per-table basis ) if disk-based persistence isn't needed.