Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ Schemas/ DBE_PERF Schema/ Cache and I/O/ GLOBAL_STATIO_SYS_INDEXES
Updated on 2024-06-03 GMT+08:00
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GLOBAL_STATIO_SYS_INDEXES

GLOBAL_STATIO_SYS_INDEXES displays I/O status information about all system catalog indexes in namespaces on each node, as described in Table 1.

Table 1 GLOBAL_STATIO_SYS_INDEXES columns

Name

Type

Description

node_name

name

Node name.

relid

oid

OID of the table that the index is created for.

indexrelid

oid

OID of the index.

schemaname

name

Name of the schema that contains the index.

relname

name

Name of the table that the index is created for.

indexrelname

name

Index name.

idx_blks_read

numeric

Number of disk blocks read from the index.

idx_blks_hit

numeric

Number of cache hits in the index.
Parent topic: Cache and I/O