Help Center/ GaussDB/ Distributed_3.x/ Schemas/ DBE_PERF Schema/ Object/ GLOBAL_STAT_BAD_BLOCK

Updated on 2024-05-07 GMT+08:00

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GLOBAL_STAT_BAD_BLOCK

Obtains the information about table and index read failures on each node. 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	OID of the database
tablespaceid	integer	OID of the tablespace
relfilenode	integer	File node of this relation
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.