Insight Technology, Inc

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ラッチ全体に対するミス率などを把握したい

select sum(gets) GETS,sum(misses)*100/decode(sum(gets),0,1,sum(gets))
MISSES_RATE,
sum(spin_gets)*100/decode(sum(misses),0,1,sum(misses)) SPINS,
sum(immediate_gets) IMGETS,
sum(immediate_misses)*100/decode(sum(immediate_gets),0,1,sum(immediate_gets)
)
IMMISSES_RATE
from v$latch;
/