具体而言，它将查找通常会导致查询在并行模式下运行更慢的查询运算符或运算符组合。
Specifically, it looks for query operators or combinations of operators that typically cause a query to execute more slowly in parallel mode.
您必须严密监视 makefile 是否发生这种情况，在这种情况下，在顺序模式下良好编译的脚本会在并行模式下出现混乱。
You must take a close look into the makefile to figure out such situations, where parallelizing an otherwise fine script in serial mode will mess things up if it's run in parallel.
在大多数情况下，并行和可选分支过程应用的是相同的数据流反模式和模式。
In most of the cases, identical dataflow anti-patterns and patterns apply to parallel and alternative branching.
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