This section describes the expression-based Cluster Advisors.
Advises when the redo buffers start to fill up.
Default frequency00:05:00
Default auto-close enabledno
Advises when the redo log spaces start to fill up.
Default frequency00:05:00
Default auto-close enabledno
Advises when the undo buffers start to fill up.
Default frequency00:05:00
Default auto-close enabledno
Advises when the undo log spaces start to fill up.
Default frequency00:05:00
Default auto-close enabledno
Advises when the hit-rate for theDiskPageBuffer
falls below a threshold. May happen temporarily after restarting one or more data nodes. This is the average ratio since the last sample period.
For more information onDiskPageBuffer
, seeThe ndbinfo diskpagebuffer Table.
Default frequency00:05:00
Default auto-close enabledno