Warning
SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.
Cluster Level Locks
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Only one cluster level lock can be taken at a time.
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If a cluster level lock is taken, it will block any database locks from being taken.
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DML operations are not affected by these locks.
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DDL operations that are affected by these locks are listed in Operations that Take Cluster Level Locks
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Any blocked operations will queue.
Example: ADD LEAF
is running on the cluster.CREATE TABLE
tries to run, but is blocked until ADD LEAF
completes.
Last modified: August 30, 2022