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Another cache buffers chains latch contention troubleshooting example using LatchProf

One of my blog readers recently dropped me an email noting that he had noticed some cache buffers chains latch contention recently and successfully troubleshooted it with LatchProf. I asked if he’d like to blog about it and here’s the article:
http://web.archive.org/web/20111113062613/http://orapsdba.wordpress.com/... Cache buffer chains latch contention typically shows up when some execution plans go bad, switching to nested loops or filter loops and revisiting the same table (or index) blocks very frequently…