// // Something interesting if you have performance problems with // your Oracle data base ... // db = "oracle.ptg1"; host = ":moomba.melbourne.sgi.com"; lru = "#'cache buffers lru chain'"; gets = "$db.latch.gets $host $lru"; total = "$db.latch.gets $host $lru + $db.latch.misses $host $lru + $db.latch.immisses $host $lru"; $total > 100 && $gets / $total < 0.2 -> alarm "high LRU latch contention";