[ZOOKEEPER-4057] NIOServerCnxnFactory.selectorThreads,using List instead of HashSet is better

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: LiAoNan
• Created: 14/Jan/21 06:29
• Updated: 29/Jan/21 01:44

Description

private final Set<SelectorThread> selectorThreads = new HashSet<SelectorThread>();

Using List costs less memory and computing than HashSet.

private final List<SelectorThread> selectorThreads = new ArrayList<>();

Issue Links

• links to: GitHub Pull Request #1578