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progress monitoring

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Aikesheng Open Source Community

May 15, 2020 · Databases

Estimating Progress of Large UPDATE Statements in MySQL Using Performance Schema

This article explains how to monitor and estimate the progress of a massive MySQL UPDATE by observing rows_examined in performance_schema, deriving a progress formula, and adjusting the coefficient based on whether primary keys or only data columns are modified.

Database OptimizationMySQLPerformance Schema

0 likes · 3 min read

Estimating Progress of Large UPDATE Statements in MySQL Using Performance Schema

Aikesheng Open Source Community

Apr 30, 2020 · Databases

Estimating mysqlbinlog Parsing Progress by Monitoring File Handle Offsets

The article explains how to approximate the progress of mysqlbinlog when parsing large MySQL binary logs by observing the file handle's read offset, since the tool lacks a built‑in progress indicator.

BinlogDatabasesMySQL

0 likes · 3 min read

Estimating mysqlbinlog Parsing Progress by Monitoring File Handle Offsets