zhuangchong commented on a change in pull request #4896:
URL:
https://github.com/apache/incubator-dolphinscheduler/pull/4896#discussion_r584099105
##########
File path:
dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/CollectionUtils.java
##########
@@ -103,7 +109,8 @@ public static boolean isEmpty(Collection coll) {
return emptyMap;
}
String[] strings = str.split(separator);
- Map<String, String> map = new HashMap<>(strings.length);
+ int initialCapacity = (int)(strings.length / DEFAULT_LOAD_FACTOR) + 1;
+ Map<String, String> map = new HashMap<>(initialCapacity);
Review comment:
This change is to reduce the automatic scaling of the HashMap to get the
maximum initial capacity based on the specified storage capacity and load
factor.
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