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MySQL 5.6 Reference Manual
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Excerpts from this Manual The ndbinfo logbuffers Table

The logbuffer table provides information on MySQL Cluster log buffer usage.

The following table provides information about the columns in the logbuffers table. For each column, the table shows the name, data type, and a brief description.

Column NameTypeDescription
node_idintegerThe ID of this data node.
log_typestringType of log; one of: REDO or DD-UNDO.
log_idintegerThe log ID.
log_partintegerThe log part number.
totalintegerTotal space available for this log.
usedintegerSpace used by this log.

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