IO Performance regression in ufs read/write after the fix of 18679892 was introduced (Doc ID 2243601.1)

Last updated on MARCH 15, 2017

Applies to:

Solaris Operating System - Version 10 10/08 U6 and later
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on SPARC (64-bit)

Symptoms

 After upgrade to UFS patch 150832-06, the IO service time become extremely high even without any major IO activities

 

Cause

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