在研究show engine innodb status 输出信息，为了看其中的insert buffer部分信息，写了个脚本
# mysql -uroot -e ‘show engine innodb status \G’ |grep -E -A8 -B1 --color ‘INSERT BUFFER’
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf： size 37064， free list len 21130， seg size 58195， 22172798 merges
merged operations：
insert 88714186， delete mark 32775614， delete 18942413
discarded operations：
insert 9204， delete mark 8597， delete 12
Hash table size 42499631， node heap has 151066 buffer（s）
3275.24 hash searches/s， 647.12 non-hash searches/s
