hi,
    I now test Mysql+innodb performance, my platform is  Solarise 5.8  1G RAM . 
   I use my-huge.cnf, set the buffer_pool_size = 400M , my bench table is about 100M . 
I run 10 threads to Query a innodb table. Query 10000* 10 thread would cost 30 second 
. When I look the Innodb monitor , i fund  :

INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf for space 0: size 1, free list len 0, seg size 2,
0 inserts, 0 merged recs, 0 merges
Hash table size 1660247, used cells 0, node heap has 1 buffer(s)
0.00 hash searches/s, 2471.41 non-hash searches/s


  Why the Hash  search  = 0?  thanks!

 Tony chen



  

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