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21.5.10.41 The ndbinfo threadblocks Table

The threadblocks table associates data nodes, threads, and instances of NDB kernel blocks.

The following table provides information about the columns in the threadblocks table. For each column, the table shows the name, data type, and a brief description. Additional information can be found in the notes following the table.

Table 21.399 Columns of the threadblocks table

Column Name Type Description
node_id integer Node ID
thr_no integer Thread ID
block_name string Block name
block_instance integer Block instance number

The value of the block_name in this table is one of the values found in the block_name column when selecting from the ndbinfo.blocks table. Although the list of possible values is static for a given NDB Cluster release, the list may vary between releases.

The block_instance column provides the kernel block instance number.