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dbaplus Community
dbaplus Community
Jul 4, 2017 · Databases

Mastering Oracle Performance: A Guide to AWR, ASH, ADDM, and More

This article explains Oracle database performance tuning by introducing the five key performance reports—AWR, ASH, ADDM, AWRDD, and AWRSQRPT—detailing how to obtain them, what metrics to focus on, and how to apply them in real‑world case studies for both simple and complex optimization scenarios.

ADDMASHAWR
0 likes · 22 min read
Mastering Oracle Performance: A Guide to AWR, ASH, ADDM, and More
dbaplus Community
dbaplus Community
Nov 4, 2015 · Databases

Mastering Oracle Wait Events: How Latch Contention Impacts Performance

This article explains how Oracle wait events, especially latch contention such as cache buffers chains and LRU chain latches, reveal performance bottlenecks, and provides step‑by‑step methods, diagnostic tools, SQL examples, and tuning recommendations to locate and resolve database hotspots.

ADDMOracleSQL Tuning Advisor
0 likes · 30 min read
Mastering Oracle Wait Events: How Latch Contention Impacts Performance