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From "Hudson (Jira)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-3492) Add weights to server side connection throttling
Date Thu, 05 Sep 2019 23:14:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-3492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16923805#comment-16923805
] 

Hudson commented on ZOOKEEPER-3492:
-----------------------------------

SUCCESS: Integrated in Jenkins build Zookeeper-trunk-single-thread #516 (See [https://builds.apache.org/job/Zookeeper-trunk-single-thread/516/])
ZOOKEEPER-3492: Add weights to server side connection throttling (hanm: rev eecd9e7ce046083bd40cd6134bdb2b405d01fe67)
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/UpgradeableSessionTracker.java
* (edit) zookeeper-server/src/test/java/org/apache/zookeeper/server/PrepRequestProcessorTest.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/ZooKeeperServer.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/SessionTrackerImpl.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/LeaderSessionTracker.java
* (edit) zookeeper-docs/src/main/resources/markdown/zookeeperAdmin.md
* (edit) zookeeper-server/src/test/java/org/apache/zookeeper/server/BlueThrottleTest.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/SessionTracker.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/BlueThrottle.java


> Add weights to server side connection throttling
> ------------------------------------------------
>
>                 Key: ZOOKEEPER-3492
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3492
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>            Reporter: Jie Huang
>            Assignee: Jie Huang
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.6.0
>
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> In ZOOKEEPER-3242, we introduced connection throttling to protect the server from being
overloaded. We realize that the costs for creating a local session, creating a global session,
and reconnecting are different. So we associate weights to the costs when throttling. For
example, for the same setting, the throttler will allow more connections to be created if
they are local.  This allows the server resources to be fully utilized.



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