RDBPROD: Performance problems caused by excessive activity on table RDB$FIELD_VERSIONS
(Doc ID 438627.1)
Last updated on JANUARY 03, 2019
Applies to:Oracle Rdb Server on OpenVMS - Version 7.0 and later
HP OpenVMS Alpha
HP OpenVMS Itanium
Performance issue on system table RDB$FIELD_VERSIONS.
RMU/SHOW STATISTICS and screen "Logical Area Overview (Tables)" shows a high number of reads to metadata table RDB$FIELD_VERSIONS. It may show that it even exceeds or compares to the busiest of the data tables.
Frequent or numerous changes to table columns over time.
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