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/pick-up
> When we really can't meet user's requirement. what?
> > > When we really can't meet user's requirement. > > > > > > what? > > This means that currently dm synchronises data to the downstream tidb...
> > This means that currently dm synchronises data to the downstream tidb via sql, but this is slower than writing k/v (parsed by dm itself from the upstream db)...
> If we depend on tidb's transaction client, is the performance much better than the current logic? In most case, the bottle neck is TiKV, we may need to do...
It seems we need a prepared statement cache?
> > It seems we need a prepared statement cache? > > TiDB will handle the cache if we send [PREPARE SQL](https://dev.mysql.com/doc/refman/8.0/en/sql-prepared-statements.html) Ok, I get it: a) use prepare replace...
Sorry for reply late. @jakubskrz I'm glad that there are different usage needs in the community, I think it makes sense to follow the active version of PHP. But this...