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Negative Values of Library Cache Hit Ratio in AWR Report

mail.madhankumarJul 25 2012 — edited Jul 25 2012
Hi all,

We are getting Negative values of Library cache hit ratio in AWR Report of 11g(11.2.0.3) with Solaris[tm] OE (64-bit).
Please suggest us why it shows negative value.

Instance Efficiency Percentages (Target 100%)

Buffer Nowait %: 99.87 Redo NoWait %: 99.99
Buffer Hit %: 92.17 In-memory Sort %: 100.00
Library Hit %: -3,321.23 Soft Parse %: 81.95
Execute to Parse %: 92.88 Latch Hit %: 95.11
Parse CPU to Parse Elapsd %: 87.25 % Non-Parse CPU: 81.39

Regards,
Madhan

Edited by: user12078989 on Jul 25, 2012 7:40 AM
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Locked on Aug 22 2012
Added on Jul 25 2012
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