ye-lun commented on a change in pull request #8995:
FLINK-13106][doc-zh]Translate Parallel Execution page into Chinese
URL: https://github.com/apache/flink/pull/8995#discussion_r301361276
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File path: docs/dev/parallel.zh.md
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@@ -168,26 +168,7 @@ try {
最大 parallelism 可以在所有设置 parallelism 的地方进行设定（客户端和系统层次除外）。与调用 `setParallelism()`
方法修改并发度相似，你可以通过调用 `setMaxParallelism()` 方法来设定最大 parallelism。
-默认的最大 parallelism 等于将 operatorParallelism + (operatorParallelism / 2） 值舍入到其下一个
`2` 的幂次方的值，其计算方式如以下所示。
-
-{% highlight scala %}
- /**
- * Round the given number to the next power of two.
- * @param x number is the value of 'operatorParallelism +
(operatorParallelism / 2)'
- * @return x rounded up to the next power of two
- */
- public static int roundUpToPowerOfTwo(int x) {
- x = x - 1;
- x |= x >> 1;
- x |= x >> 2;
- x |= x >> 4;
- x |= x >> 8;
- x |= x >> 16;
- return x + 1;
- }
-{% endhighlight %}
-
-注意，默认最大 parallelism 下限为 `128`，上限为 `32768`。
+默认的最大 parallelism 等于将 `operatorParallelism + (operatorParallelism / 2）`
值四舍五入到大于等于该值的一个整型值，并且这个整型值是 `2` 的幂次方，注意默认最大 parallelism 下限为 `128`，上限为 `32768`。
Review comment:
ok,thanks
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