From issues-return-526-archive-asf-public=cust-asf.ponee.io@zookeeper.apache.org Thu Aug 1 05:31:02 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 9E88B180644 for ; Thu, 1 Aug 2019 07:31:01 +0200 (CEST) Received: (qmail 2751 invoked by uid 500); 1 Aug 2019 05:31:01 -0000 Mailing-List: contact issues-help@zookeeper.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@zookeeper.apache.org Delivered-To: mailing list issues@zookeeper.apache.org Received: (qmail 2725 invoked by uid 99); 1 Aug 2019 05:31:01 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Aug 2019 05:31:01 +0000 Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 6A2C7E0F8F for ; Thu, 1 Aug 2019 05:31:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 282D826636 for ; Thu, 1 Aug 2019 05:31:00 +0000 (UTC) Date: Thu, 1 Aug 2019 05:31:00 +0000 (UTC) From: "Hadoop QA (JIRA)" To: issues@zookeeper.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (ZOOKEEPER-3473) Improving successful TLS handshake throughput with concurrent control MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/ZOOKEEPER-3473?page=3Dcom.atlas= sian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D= 16897782#comment-16897782 ]=20 Hadoop QA commented on ZOOKEEPER-3473: -------------------------------------- +1 overall. GitHub Pull Request Build =20 +1 @author. The patch does not contain any @author tags. +1 tests included. The patch appears to include 5 new or modified test= s. +1 javadoc. The javadoc tool did not generate any warning messages. +1 javac. The applied patch does not increase the total number of java= c compiler warnings. +1 findbugs. The patch does not introduce any new Findbugs (version 3.= 0.1) warnings. +1 release audit. The applied patch does not increase the total number= of release audit warnings. +1 core tests. The patch passed core unit tests. +1 contrib tests. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-b= uild/4088//testReport/ Findbugs warnings: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github= -pr-build/4088//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings= .html Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr= -build/4088//console This message is automatically generated. > Improving successful TLS handshake throughput with concurrent control > --------------------------------------------------------------------- > > Key: ZOOKEEPER-3473 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3473 > Project: ZooKeeper > Issue Type: Improvement > Components: server > Reporter: Fangmin Lv > Assignee: Fangmin Lv > Priority: Major > Labels: pull-request-available > Fix For: 3.6.0 > > Time Spent: 50m > Remaining Estimate: 0h > > When there are lots of clients trying to re-establish sessions, there mig= ht be lots of half finished handshake timed out, and those failed ones keep= reconnecting to another server and restarting the handshake from beginning= again, which caused herd effect. > =C2=A0 > And the number of total ZK sessions could be supported within session tim= eout are impacted a lot after enabling TLS. > =C2=A0 > To improve the throughput, we added the TLS concurrent control to reduce = the herd effect, and from out benchmark this doubled the sessions we could = support within session timeout. -- This message was sent by Atlassian JIRA (v7.6.14#76016)