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https://issues.apache.org/jira/browse/ZOOKEEPER-2230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15751260#comment-15751260
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Hadoop QA commented on ZOOKEEPER-2230:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12830500/ZOOKEEPER-2230.patch
against trunk revision cd0e323831c8b4cde64976325bfc79bb53cdd9b7.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
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-Build/3548//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/3548//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/3548//console
This message is automatically generated.
> Connections fo ZooKeeper server becomes slow over time with native GSSAPI
> -------------------------------------------------------------------------
>
> Key: ZOOKEEPER-2230
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2230
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.6, 3.4.7, 3.4.8, 3.5.0
> Environment: OS: RHEL6
> Java: 1.8.0_40
> Configuration:
> java.env:
> {noformat}
> SERVER_JVMFLAGS="$SERVER_JVMFLAGS -Xmx5120m"
> SERVER_JVMFLAGS="$SERVER_JVMFLAGS
> -Djava.security.auth.login.config=/local/apps/zookeeper-test1/conf/jaas-server.conf"
> SERVER_JVMFLAGS="$SERVER_JVMFLAGS -Dsun.security.jgss.native=true"
> {noformat}
> jaas-server.conf:
> {noformat}
> Server {
> com.sun.security.auth.module.Krb5LoginModule required
> useKeyTab=true
> isInitiator=false
> principal="zookeeper/<hostname>@<REALM>";
> };
> {noformat}
> Process environment:
> {noformat}
> KRB5_KTNAME=/local/apps/zookeeper-test1/conf/keytab
> ZOO_LOG_DIR=/local/apps/zookeeper-test1/log
> ZOOCFGDIR=/local/apps/zookeeper-test1/conf
> {noformat}
> Reporter: Deepesh Reja
> Assignee: Enis Soztutar
> Labels: patch
> Fix For: 3.4.6, 3.4.7, 3.4.8, 3.5.2
>
> Attachments: ZOOKEEPER-2230.patch
>
>
> ZooKeeper server becomes slow over time when native GSSAPI is used. The
> connection to the server starts taking upto 10 seconds.
> This is happening with ZooKeeper-3.4.6 and is fairly reproducible.
> Debug logs:
> {noformat}
> 2015-07-02 00:58:49,318 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:NIOServerCnxnFactory@197] -
> Accepted socket connection from /<client_ip>:47942
> 2015-07-02 00:58:49,318 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperSaslServer@78] -
> serviceHostname is '<zookeeper-server>'
> 2015-07-02 00:58:49,318 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperSaslServer@79] -
> servicePrincipalName is 'zookeeper'
> 2015-07-02 00:58:49,318 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperSaslServer@80] - SASL
> mechanism(mech) is 'GSSAPI'
> 2015-07-02 00:58:49,324 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperSaslServer@106] - Added
> private credential to subject: [GSSCredential:
> zookeeper@<zookeeper-server> 1.2.840.113554.1.2.2 Accept [class
> sun.security.jgss.wrapper.GSSCredElement]]
> 2015-07-02 00:58:59,441 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@810] - Session
> establishment request from client /<client_ip>:47942 client's lastZxid is 0x0
> 2015-07-02 00:58:59,441 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@868] - Client
> attempting to establish new session at /<client_ip>:47942
> 2015-07-02 00:58:59,448 [myid:] - DEBUG
> [SyncThread:0:FinalRequestProcessor@88] - Processing request::
> sessionid:0x14e486028785c81 type:createSession cxid:0x0 zxid:0x110e79
> txntype:-10 reqpath:n/a
> 2015-07-02 00:58:59,448 [myid:] - DEBUG
> [SyncThread:0:FinalRequestProcessor@160] - sessionid:0x14e486028785c81
> type:createSession cxid:0x0 zxid:0x110e79 txntype:-10 reqpath:n/a
> 2015-07-02 00:58:59,448 [myid:] - INFO [SyncThread:0:ZooKeeperServer@617] -
> Established session 0x14e486028785c81 with negotiated timeout 10000 for
> client /<client_ip>:47942
> 2015-07-02 00:58:59,452 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@949] - Responding
> to client SASL token.
> 2015-07-02 00:58:59,452 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@953] - Size of
> client SASL token: 706
> 2015-07-02 00:58:59,460 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@984] - Size of
> server SASL response: 161
> 2015-07-02 00:58:59,462 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@949] - Responding
> to client SASL token.
> 2015-07-02 00:58:59,462 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@953] - Size of
> client SASL token: 0
> 2015-07-02 00:58:59,462 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@984] - Size of
> server SASL response: 32
> 2015-07-02 00:58:59,463 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@949] - Responding
> to client SASL token.
> 2015-07-02 00:58:59,463 [myid:] - DEBUG
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@953] - Size of
> client SASL token: 32
> 2015-07-02 00:58:59,464 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:SaslServerCallbackHandler@118] -
> Successfully authenticated client: authenticationID=<user_principal>;
> authorizationID=<user_principal>.
> 2015-07-02 00:58:59,464 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:ZooKeeperServer@964] - adding
> SASL authorization for authorizationID: <user_principal>
> 2015-07-02 00:58:59,465 [myid:] - INFO [ProcessThread(sid:0
> cport:-1)::PrepRequestProcessor@494] - Processed session termination for
> sessionid: 0x14e486028785c81
> 2015-07-02 00:58:59,467 [myid:] - DEBUG
> [SyncThread:0:FinalRequestProcessor@88] - Processing request::
> sessionid:0x14e486028785c81 type:closeSession cxid:0x1 zxid:0x110e7a
> txntype:-11 reqpath:n/a
> 2015-07-02 00:58:59,467 [myid:] - DEBUG
> [SyncThread:0:FinalRequestProcessor@160] - sessionid:0x14e486028785c81
> type:closeSession cxid:0x1 zxid:0x110e7a txntype:-11 reqpath:n/a
> 2015-07-02 00:58:59,467 [myid:] - INFO
> [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:42405:NIOServerCnxn@1007] - Closed
> socket connection for client /<client_ip>:47942 which had sessionid
> 0x14e486028785c81
> {noformat}
> If you see, after adding the credentials to privateCredential set, it takes
> roughly 10 seconds to reach to session establishment request. From the code
> it looks like Subject.doAs() is taking a lot of time.
> I connected it to jdb while it was waiting and got following stacktrace:
> {noformat}
> NIOServerCxn.Factory:0.0.0.0/0.0.0.0:58909:
> [1] java.util.HashMap$TreeNode.find (HashMap.java:1,865)
> [2] java.util.HashMap$TreeNode.find (HashMap.java:1,861)
> [3] java.util.HashMap$TreeNode.find (HashMap.java:1,861)
> [4] java.util.HashMap$TreeNode.find (HashMap.java:1,861)
> [5] java.util.HashMap$TreeNode.find (HashMap.java:1,861)
> [6] java.util.HashMap$TreeNode.find (HashMap.java:1,861)
> [7] java.util.HashMap$TreeNode.find (HashMap.java:1,861)
> [8] java.util.HashMap$TreeNode.putTreeVal (HashMap.java:1,981)
> [9] java.util.HashMap.putVal (HashMap.java:637)
> [10] java.util.HashMap.put (HashMap.java:611)
> [11] java.util.HashSet.add (HashSet.java:219)
> [12] javax.security.auth.Subject$ClassSet.populateSet (Subject.java:1,418)
> [13] javax.security.auth.Subject$ClassSet.<init> (Subject.java:1,372)
> [14] javax.security.auth.Subject.getPrivateCredentials (Subject.java:767)
> [15] sun.security.jgss.GSSUtil$1.run (GSSUtil.java:340)
> [16] sun.security.jgss.GSSUtil$1.run (GSSUtil.java:332)
> [17] java.security.AccessController.doPrivileged (native method)
> [18] sun.security.jgss.GSSUtil.searchSubject (GSSUtil.java:332)
> [19] sun.security.jgss.wrapper.NativeGSSFactory.getCredFromSubject
> (NativeGSSFactory.java:53)
> [20] sun.security.jgss.wrapper.NativeGSSFactory.getCredentialElement
> (NativeGSSFactory.java:116)
> [21] sun.security.jgss.GSSManagerImpl.getCredentialElement
> (GSSManagerImpl.java:193)
> [22] sun.security.jgss.GSSCredentialImpl.add (GSSCredentialImpl.java:427)
> [23] sun.security.jgss.GSSCredentialImpl.<init> (GSSCredentialImpl.java:62)
> [24] sun.security.jgss.GSSManagerImpl.createCredential
> (GSSManagerImpl.java:154)
> [25] com.sun.security.sasl.gsskerb.GssKrb5Server.<init>
> (GssKrb5Server.java:108)
> [26] com.sun.security.sasl.gsskerb.FactoryImpl.createSaslServer
> (FactoryImpl.java:85)
> [27] javax.security.sasl.Sasl.createSaslServer (Sasl.java:524)
> [28] org.apache.zookeeper.server.ZooKeeperSaslServer$1.run
> (ZooKeeperSaslServer.java:118)
> [29] org.apache.zookeeper.server.ZooKeeperSaslServer$1.run
> (ZooKeeperSaslServer.java:114)
> [30] java.security.AccessController.doPrivileged (native method)
> [31] javax.security.auth.Subject.doAs (Subject.java:422)
> [32] org.apache.zookeeper.server.ZooKeeperSaslServer.createSaslServer
> (ZooKeeperSaslServer.java:114)
> [33] org.apache.zookeeper.server.ZooKeeperSaslServer.<init>
> (ZooKeeperSaslServer.java:48)
> [34] org.apache.zookeeper.server.NIOServerCnxn.<init>
> (NIOServerCnxn.java:100)
> [35] org.apache.zookeeper.server.NIOServerCnxnFactory.createConnection
> (NIOServerCnxnFactory.java:161)
> [36] org.apache.zookeeper.server.NIOServerCnxnFactory.run
> (NIOServerCnxnFactory.java:202)
> [37] java.lang.Thread.run (Thread.java:745)
> {noformat}
> This doesn't happen when we use JGSS, I think because adding credential to
> privateCredential set for every connection is causing Subject.doAS() to take
> much longer time.
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