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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2736) Add a connection rate limiter
Date Fri, 24 Mar 2017 02:43:43 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939607#comment-15939607

ASF GitHub Bot commented on ZOOKEEPER-2736:

Github user eribeiro commented on a diff in the pull request:

    --- Diff: src/java/test/org/apache/zookeeper/common/TokenBucketTest.java ---
    @@ -0,0 +1,180 @@
    +* Licensed to the Apache Software Foundation (ASF) under one
    +* or more contributor license agreements.  See the NOTICE file
    +* distributed with this work for additional information
    +* regarding copyright ownership.  The ASF licenses this file
    +* to you under the Apache License, Version 2.0 (the
    +* "License"); you may not use this file except in compliance
    +* with the License.  You may obtain a copy of the License at
    +*     http://www.apache.org/licenses/LICENSE-2.0
    +* Unless required by applicable law or agreed to in writing, software
    +* distributed under the License is distributed on an "AS IS" BASIS,
    +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    +* See the License for the specific language governing permissions and
    +* limitations under the License.
    +package org.apache.zookeeper.common;
    +import static java.util.concurrent.TimeUnit.SECONDS;
    +import static org.junit.Assert.*;
    --- End diff --
    IIRC, we prefer to use explicity imports instead of wildcards.

> Add a connection rate limiter
> -----------------------------
>                 Key: ZOOKEEPER-2736
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2736
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>    Affects Versions: 3.4.9, 3.5.2
>            Reporter: Vincent Poon
>         Attachments: ZOOKEEPER-2736.v1.patch
> Currently the maxClientCnxns property only limits the aggregate number of connections
from a client, but not the rate at which connections can be created.
> This patch adds a configurable connection rate limiter which limits the rate as well.

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