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CLEAR ORPHAN DATABASES
Info
SingleStore Managed Service does not support this command.
Removes orphaned partitions. Orphaned partitions are partition databases on leaf nodes that are no longer considered part of the cluster.
Syntax
CLEAR ORPHAN DATABASES;
Remarks
Alert
This command cannot be undone.
-
The master aggregator avoids dropping orphan partition databases as a safeguard, in case this data is needed.
-
To detect orphan partitions, run
SHOW CLUSTER STATUSand check for partitions with the role ofOrphan. -
Before running
CLEAR ORPHAN DATABASES, run:EXPLAIN CLEAR ORPHAN DATABASES;to see which partitions will be dropped.
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