mysql源码是什么语言

九大块：

buffer pool,  parsed andoptimized SQL statements,  data dictionarycache,  log buffer,  locks for eachtransaction,  hash table forthe adaptive index,  state andbuffers for each SQL query currently being executed,  session foreach user, and  stack for eachOS thread.

9大块通过4部分进行管理

A solution tothe memory management:  1. the bufferpool size is set separately;  2. log buffersize is set separately;  3. the commonpool size for all the other entries, except 8, is set separately.

redo日志缓冲由redo部分单独管理，bufferpool也就是缓冲池是一个复杂的部分，内容很多，普通池上面说了，除了8，和1,2.其余的都归它管。

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