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Re: 答复: 答复: MDEV-520: consider parallel replication patch from taobao patches
丁奇 <dingqi.lxb@xxxxxxxxxx> writes:
> So I have changed the structure of the patch these two days. The main concept is not changed.
> Changes are:
> 1) fix the case insensitivity problem
> 2) fix the invalid memory access when the key is not long enough.
> 3) Change the strategy in mixed cases:
> A transaction is buffer as a whole first, and decide the way of applying based different case -- If a transaction contains one or more statement-format queries, it is treated like an DDL.
> This may occur when the master's binlog format is mixed.
Right, this will be necessary.
> My aim is that, if the master fulfills the conditions that we think we can use multiple-thread to increase performce, we improve it . If not, we just confirm the correctness.
> Please fetch the new version in the following URL.
> If consider the general cases, there maybe many bugs in the patch.
> There are some errors in the result of ./mtr, I am dealing with them one by one, but some of them are some complex that I need your help (Such as rpl.rpl_deadlock_innodb).
Ok. Let me know when you are done with the simple ones, and I will try to find
time to look into the complex ones.