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https://issues.apache.org/jira/browse/ZOOKEEPER-3457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16890597#comment-16890597
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Asutosh Pandya commented on ZOOKEEPER-3457:
-------------------------------------------
[https://github.com/apache/zookeeper/pull/1020]
> Code optimization in QuorumCnxManager
> -------------------------------------
>
> Key: ZOOKEEPER-3457
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3457
> Project: ZooKeeper
> Issue Type: Improvement
> Components: quorum
> Affects Versions: 3.5.5
> Reporter: tom.long
> Priority: Trivial
> Labels: easyfix, pull-request-available
> Fix For: 3.5.5
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Dear developer:
> I think the following code in line 623 of the QuorumCnxManager class can be
> optimized:
> {code:java}
> ArrayBlockingQueue<ByteBuffer> bq = new ArrayBlockingQueue<ByteBuffer>(
> SEND_CAPACITY);
> ArrayBlockingQueue<ByteBuffer> oldq = queueSendMap.putIfAbsent(sid, bq);
> if (oldq != null) {
> addToSendQueue(oldq, b);
> } else {
> addToSendQueue(bq, b);
> }
> {code}
> The optimization is as follows:
> {code:java}
> ArrayBlockingQueue<ByteBuffer> bq = queueSendMap.computeIfAbsent(sid,
> serverId
> -> new ArrayBlockingQueue<>(SEND_CAPACITY));
> addToSendQueue(bq, b);
> {code}
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