Help Center/ GaussDB/ Developer Guide(Distributed_3.x)/ Schemas/ DBE_PERF Schema/ Object/ SUMMARY_STAT_BAD_BLOCK

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

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SUMMARY_STAT_BAD_BLOCK

Obtains the summary of information about table and index read failures on each node in the cluster. It is used on CNs. The statistics of different DNs is summed up. The value of first_time is the statistics collection start time, and the value of last_time is the statistics collection end time.

**Table 1** SUMMARY_STAT_BAD_BLOCK columns
Name	Type	Description
databaseid	integer	Database OID.
tablespaceid	integer	Tablespace OID.
relfilenode	integer	Relationship file node.
forknum	bigint	Fork number.
error_count	bigint	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.

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