Help Center/ GaussDB/ Distributed_8.x/ Schemas/ DBE_PERF Schema/ Object/ GLOBAL_STAT_BAD_BLOCK

Updated on 2024-06-03 GMT+08:00

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GLOBAL_STAT_BAD_BLOCK

Obtains information about table and index read failures on each node., as described in Table 1. It is used on CNs. The read failure information of DNs is displayed only, but not summed up.

**Table 1** GLOBAL_STAT_BAD_BLOCK columns
Name	Type	Description
node_name	text	Node name.
databaseid	integer	Database OID.
tablespaceid	integer	Tablespace OID.
relfilenode	integer	Relationship file node.
forknum	integer	Fork number.
error_count	integer	Number of errors.
first_time	timestamp with time zone	Time when the page damage occurs for the first time.
last_time	timestamp with time zone	Time when the page damage occurs for the last time.