In YugabyteDB, collecting up-to-date table statistics is critical when the cost-based optimizer (CBO) is enabled. These statistics guide the optimizer in choosing […]
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Access Real-Time and Historical Data on Active Sessions to Analyze and Resolve Performance Issues Effectively
Active Session History (ASH) provides a comprehensive view of current and historical system activity by sampling session activity within the database. A […]
Read MoreBoost Performance by Splitting and Distributing Massive UPDATE Operations
The UPDATE statement modifies the values of specified columns in all rows that meet certain conditions. When no conditions are specified in […]
Read MoreANALYZE All Tables in the Current Database
In YSQL the ANALYZE command collects statistics about the contents of tables in the database, and stores the results in the pg_statistic system […]
Read MoreEnable Storage Layer Logging to the YugabyteDB TServer Log
DocDB is the underlying document storage engine of YugabyteDB and is built on top of a highly customized and optimized version of RocksDB, […]
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