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Mar 14, 2017 · Databases

Why Oracle on AIX Restarts: Diagnosing the numperm_global Early Paging Bug

An Oracle 11g instance on AIX 6100‑07 unexpectedly restarted due to a memory‑management bug triggered by the numperm_global=1 setting, which caused massive paging despite ample free memory; the article analyzes logs, OS metrics, and offers four remediation options including parameter changes and OS patches.