Queries Generating High "Cell Single Block Physical Read" Wait Messages (Doc ID 2119510.1)

Last updated on SEPTEMBER 08, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

Symptoms of this issue will appear as follows:

Event Waits      Total Wait Time (sec)      Wait Avg(ms)      % DB time      Wait Class
cell single block physical read               19,654,319 4847,1 0 9.7 User I/O

Cause

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