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Time Series DFX

Updated at: Jul 14, 2021 GMT+08:00

Time Series Compaction Monitoring Functions

The time series compaction function provides three UDFs for performance monitoring.

Table 1 Time series compaction monitoring functions

Function Name

Description

pg_catalog.count_all_part()

The CN monitors the overall compaction and status of the cluster.

pg_catalog.recent_two_parts(tablename)

The CN monitors the number of parts in the latest two partitions of the input table.

pg_catalog.count_one_table_part(tablename)

The DN monitors the number of parts of a table on the DN.

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