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Re: DB Communication Link Failure


In this case, I would say that you might be either having some problem in
your network, or maybe some timeout in the mysql server.
Can you check the following variable?
>
> show variables like "%timeout%";
>
>
On Wed, Jun 13, 2018 at 6:05 PM, Nicolas Bouige <n.bouige@xxxxxxxx> wrote:

> Hello Dag, Rafael,
>
> Thanks for your answer, i knonw this seems to be a "simple" issue but, as
> i said in my previous mail, i checked connectivity between both server
> without any problem (ping, telnet, firewall policies, remote mysql
> connection...) and yes i restarted mgmt server (and it's not a silly
> question...;)..)
>
> Someone knows something about the rollback transactions ?
>
> Best regards,
>
> N.B
>
> -----Message d'origine-----
> De : Rafael Weingärtner [mailto:rafaelweingartner@xxxxxxxxx]
> Envoyé : mercredi 13 juin 2018 16:59
> À : users <users@xxxxxxxxxxxxxxxxxxxxx>
> Objet : Re: DB Communication Link Failure
>
> This might be a silly question, but... Have you restarted the management
> server?
> This problem may be caused by the connection pool. In theory, it should
> re-create the connection, but you know, sometimes things just break.
>
> On Wed, Jun 13, 2018 at 4:56 PM, Dag Sonstebo <Dag.Sonstebo@xxxxxxxxxxxxx>
> wrote:
>
> > Hi Nicolas – not to dig too far into your analysis or log entries –
> > but in my experience any time we see “Communications link failure” the
> > problem is exactly that – a communications issue between management
> > and DB, rather than an internal DB issue.
> >
> > Regards,
> > Dag Sonstebo
> > Cloud Architect
> > ShapeBlue
> >
> > From: Nicolas Bouige <n.bouige@xxxxxxxx>
> > Reply-To: "users@xxxxxxxxxxxxxxxxxxxxx" <users@xxxxxxxxxxxxxxxxxxxxx>
> > Date: Wednesday, 13 June 2018 at 15:04
> > To: "users@xxxxxxxxxxxxxxxxxxxxx" <users@xxxxxxxxxxxxxxxxxxxxx>
> > Subject: DB Communication Link Failure
> >
> > Hello All,
> >
> > Tonight du to a network issue our management cloudstack server and
> > MariaDb server have been shutdowned and restarted this morning.
> >
> > Unfortunately, we  get some issues of « connectivity » between the
> > mgmt server and db server.
> > Both service (cloudstack-management/mysqld) are up and running without
> > any errors.
> > Db server are available from mgmt server (telnet OK, mysql –h
> > dbserver…ok, firewall policies are good from both sides)
> >
> > However, when we want to login to the GUI cloudstack an execption is
> > raised in mgmt-server.log :
> >
> > 2018-06-13 15:28:41,019 DEBUG [c.c.u.d.T.Transaction]
> > (qtp1796488937-13:ctx-88e441c4) (logid:f9e9b399) Rolling back the
> > transaction: Time = 97 Name =  qtp1796488937-13; called by
> > -TransactionLegacy.rollback:889-TransactionLegacy.removeUpTo:832-
> > TransactionLegacy.close:656-TransactionContextInterceptor.invoke:36-
> > ReflectiveMethodInvocation.proceed:174-ExposeInvocationInterceptor.
> > invoke:92-ReflectiveMethodInvocation.proceed:185-
> > JdkDynamicAopProxy.invoke:212-$Proxy121.persist:-1-ActionEventUtils.
> > persistActionEvent:186-ActionEventUtils.onActionEvent:98-
> > AccountManagerImpl.logoutUser:2096
> > 2018-06-13 15:28:41,020 WARN  [c.c.u.d.T.Transaction]
> > (qtp1796488937-13:ctx-88e441c4) (logid:f9e9b399) Unable to rollback
> > com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:
> > Communications link failure during rollback(). Transaction resolution
> > unknown.
> >         at
> > sun.reflect.GeneratedConstructorAccessor98.newInstance(Unknown
> > Source)
> >         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
> > DelegatingConstructorAccessorImpl.java:45)
> >         at java.lang.reflect.Constructor.newInstance(Constructor.java:
> 423)
> >         at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
> >         at com.mysql.jdbc.Util.getInstance(Util.java:386)
> >         at com.mysql.jdbc.SQLError.createSQLException(SQLError.
> java:1015)
> >         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
> >         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)
> >         at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)
> >         at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:
> > 5067)
> >         at org.apache.commons.dbcp.DelegatingConnection.rollback(
> > DelegatingConnection.java:368)
> >         at org.apache.commons.dbcp.PoolingDataSource$
> > PoolGuardConnectionWrapper.rollback(PoolingDataSource.java:323)
> >         at com.cloud.utils.db.TransactionLegacy.rollbackTransaction(
> > TransactionLegacy.java:851)
> >         at com.cloud.utils.db.TransactionLegacy.rollback(
> > TransactionLegacy.java:889)
> >         at com.cloud.utils.db.TransactionLegacy.removeUpTo(
> > TransactionLegacy.java:832)
> >         at com.cloud.utils.db.TransactionLegacy.close(
> > TransactionLegacy.java:656)
> >         at com.cloud.utils.db.TransactionContextInterceptor.invoke(
> > TransactionContextInterceptor.java:36)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:174)
> >         at org.springframework.aop.interceptor.
> > ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:185)
> >         at org.springframework.aop.framework.JdkDynamicAopProxy.
> > invoke(JdkDynamicAopProxy.java:212)
> >         at com.sun.proxy.$Proxy121.persist(Unknown Source)
> >         at com.cloud.event.ActionEventUtils.persistActionEvent(
> > ActionEventUtils.java:186)
> >         at com.cloud.event.ActionEventUtils.onActionEvent(
> > ActionEventUtils.java:98)
> >         at com.cloud.user.AccountManagerImpl.logoutUser(
> > AccountManagerImpl.java:2096)
> >         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >         at sun.reflect.NativeMethodAccessorImpl.invoke(
> > NativeMethodAccessorImpl.java:62)
> >         at sun.reflect.DelegatingMethodAccessorImpl.invoke(
> > DelegatingMethodAccessorImpl.java:43)
> >         at java.lang.reflect.Method.invoke(Method.java:498)
> >         at org.springframework.aop.support.AopUtils.
> > invokeJoinpointUsingReflection(AopUtils.java:338)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > invokeJoinpoint(ReflectiveMethodInvocation.java:197)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:163)
> >         at org.springframework.aop.interceptor.
> > ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:185)
> >         at org.springframework.aop.framework.JdkDynamicAopProxy.
> > invoke(JdkDynamicAopProxy.java:212)
> >         at com.sun.proxy.$Proxy40.logoutUser(Unknown Source)
> >         at com.cloud.api.ApiServer.logoutUser(ApiServer.java:1104)
> >         at com.cloud.api.ApiServlet.processRequestInContext(
> > ApiServlet.java:234)
> >         at com.cloud.api.ApiServlet$1.run(ApiServlet.java:130)
> >         at org.apache.cloudstack.managed.context.impl.
> > DefaultManagedContext$1.call(DefaultManagedContext.java:56)
> >         at org.apache.cloudstack.managed.context.impl.
> > DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
> >         at org.apache.cloudstack.managed.context.impl.
> > DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
> >         at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:127)
> >         at com.cloud.api.ApiServlet.doGet(ApiServlet.java:89)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:686)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:791)
> >         at org.eclipse.jetty.servlet.ServletHolder.handle(
> > ServletHolder.java:852)
> >         at org.eclipse.jetty.servlet.ServletHandler.doHandle(
> > ServletHandler.java:535)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.handle(
> > ScopedHandler.java:143)
> >         at org.eclipse.jetty.security.SecurityHandler.handle(
> > SecurityHandler.java:548)
> >         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> > HandlerWrapper.java:132)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextHandle(ScopedHandler.java:190)
> >         at org.eclipse.jetty.server.session.SessionHandler.
> > doHandle(SessionHandler.java:1595)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextHandle(ScopedHandler.java:188)
> >         at org.eclipse.jetty.server.handler.ContextHandler.
> > doHandle(ContextHandler.java:1253)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextScope(ScopedHandler.java:168)
> >         at org.eclipse.jetty.servlet.ServletHandler.doScope(
> > ServletHandler.java:473)
> >         at org.eclipse.jetty.server.session.SessionHandler.
> > doScope(SessionHandler.java:1564)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextScope(ScopedHandler.java:166)
> >         at org.eclipse.jetty.server.handler.ContextHandler.
> > doScope(ContextHandler.java:1155)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.handle(
> > ScopedHandler.java:141)
> >         at org.eclipse.jetty.server.handler.gzip.GzipHandler.
> > handle(GzipHandler.java:527)
> >         at org.eclipse.jetty.server.handler.HandlerCollection.
> > handle(HandlerCollection.java:126)
> >         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> > HandlerWrapper.java:132)
> >         at org.eclipse.jetty.server.Server.handle(Server.java:530)
> >         at org.eclipse.jetty.server.HttpChannel.handle(
> > HttpChannel.java:347)
> >         at org.eclipse.jetty.server.HttpConnection.onFillable(
> > HttpConnection.java:256)
> >         at
> > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(
> > AbstractConnection.java:279)
> >         at org.eclipse.jetty.io.FillInterest.fillable(
> > FillInterest.java:102)
> >         at org.eclipse.jetty.io.ChannelEndPoint$2.run(
> > ChannelEndPoint.java:124)
> >         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.
> > doProduce(EatWhatYouKill.java:247)
> >         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.
> > produce(EatWhatYouKill.java:140)
> >         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(
> > EatWhatYouKill.java:131)
> >         at org.eclipse.jetty.util.thread.ReservedThreadExecutor$
> > ReservedThread.run(ReservedThreadExecutor.java:382)
> >         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(
> > QueuedThreadPool.java:708)
> >         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(
> > QueuedThreadPool.java:626)
> >         at java.lang.Thread.run(Thread.java:748)
> > 2018-06-13 15:28:41,024 ERROR [c.c.a.ApiServlet]
> > (qtp1796488937-13:ctx-88e441c4)
> > (logid:f9e9b399) unknown exception writing api response
> > com.cloud.utils.exception.CloudRuntimeException: DB Exception on:
> > com.mysql.jdbc.JDBC4PreparedStatement@168d9c37: INSERT INTO event
> > (event.type, event.state, event.description, event.created,
> > event.user_id, event.account_id, event.domain_id, event.level,
> > event.start_id, event.parameters, event.uuid, event.archived,
> > event.display) VALUES (_binary'USER.LOGOUT', 'Completed', _binary'user
> > has logged out',
> > '2018-06-13 13:28:40', 2, 2, 1, _binary'INFO', 0, null,
> > _binary'd9009f21-6550-4a18-a6e9-9213bbb8eabb', 0, 1)
> >         at com.cloud.utils.db.GenericDaoBase.persist(
> > GenericDaoBase.java:1436)
> >         at sun.reflect.GeneratedMethodAccessor118.invoke(Unknown Source)
> >         at sun.reflect.DelegatingMethodAccessorImpl.invoke(
> > DelegatingMethodAccessorImpl.java:43)
> >         at java.lang.reflect.Method.invoke(Method.java:498)
> >         at org.springframework.aop.support.AopUtils.
> > invokeJoinpointUsingReflection(AopUtils.java:338)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > invokeJoinpoint(ReflectiveMethodInvocation.java:197)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:163)
> >         at com.cloud.utils.db.TransactionContextInterceptor.invoke(
> > TransactionContextInterceptor.java:34)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:174)
> >         at org.springframework.aop.interceptor.
> > ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:185)
> >         at org.springframework.aop.framework.JdkDynamicAopProxy.
> > invoke(JdkDynamicAopProxy.java:212)
> >         at com.sun.proxy.$Proxy121.persist(Unknown Source)
> >         at com.cloud.event.ActionEventUtils.persistActionEvent(
> > ActionEventUtils.java:186)
> >         at com.cloud.event.ActionEventUtils.onActionEvent(
> > ActionEventUtils.java:98)
> >         at com.cloud.user.AccountManagerImpl.logoutUser(
> > AccountManagerImpl.java:2096)
> >         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >         at sun.reflect.NativeMethodAccessorImpl.invoke(
> > NativeMethodAccessorImpl.java:62)
> >         at sun.reflect.DelegatingMethodAccessorImpl.invoke(
> > DelegatingMethodAccessorImpl.java:43)
> >         at java.lang.reflect.Method.invoke(Method.java:498)
> >         at org.springframework.aop.support.AopUtils.
> > invokeJoinpointUsingReflection(AopUtils.java:338)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > invokeJoinpoint(ReflectiveMethodInvocation.java:197)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:163)
> >         at org.springframework.aop.interceptor.
> > ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
> >         at org.springframework.aop.framework.ReflectiveMethodInvocation.
> > proceed(ReflectiveMethodInvocation.java:185)
> >         at org.springframework.aop.framework.JdkDynamicAopProxy.
> > invoke(JdkDynamicAopProxy.java:212)
> >         at com.sun.proxy.$Proxy40.logoutUser(Unknown Source)
> >         at com.cloud.api.ApiServer.logoutUser(ApiServer.java:1104)
> >         at com.cloud.api.ApiServlet.processRequestInContext(
> > ApiServlet.java:234)
> >         at com.cloud.api.ApiServlet$1.run(ApiServlet.java:130)
> >         at org.apache.cloudstack.managed.context.impl.
> > DefaultManagedContext$1.call(DefaultManagedContext.java:56)
> >         at org.apache.cloudstack.managed.context.impl.
> > DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
> >         at org.apache.cloudstack.managed.context.impl.
> > DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
> >         at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:127)
> >         at com.cloud.api.ApiServlet.doGet(ApiServlet.java:89)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:686)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:791)
> >         at org.eclipse.jetty.servlet.ServletHolder.handle(
> > ServletHolder.java:852)
> >         at org.eclipse.jetty.servlet.ServletHandler.doHandle(
> > ServletHandler.java:535)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.handle(
> > ScopedHandler.java:143)
> >         at org.eclipse.jetty.security.SecurityHandler.handle(
> > SecurityHandler.java:548)
> >         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> > HandlerWrapper.java:132)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextHandle(ScopedHandler.java:190)
> >         at org.eclipse.jetty.server.session.SessionHandler.
> > doHandle(SessionHandler.java:1595)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextHandle(ScopedHandler.java:188)
> >         at org.eclipse.jetty.server.handler.ContextHandler.
> > doHandle(ContextHandler.java:1253)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextScope(ScopedHandler.java:168)
> >         at org.eclipse.jetty.servlet.ServletHandler.doScope(
> > ServletHandler.java:473)
> >         at org.eclipse.jetty.server.session.SessionHandler.
> > doScope(SessionHandler.java:1564)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.
> > nextScope(ScopedHandler.java:166)
> >         at org.eclipse.jetty.server.handler.ContextHandler.
> > doScope(ContextHandler.java:1155)
> >         at org.eclipse.jetty.server.handler.ScopedHandler.handle(
> > ScopedHandler.java:141)
> >         at org.eclipse.jetty.server.handler.gzip.GzipHandler.
> > handle(GzipHandler.java:527)
> >         at org.eclipse.jetty.server.handler.HandlerCollection.
> > handle(HandlerCollection.java:126)
> >         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> > HandlerWrapper.java:132)
> >         at org.eclipse.jetty.server.Server.handle(Server.java:530)
> >         at org.eclipse.jetty.server.HttpChannel.handle(
> > HttpChannel.java:347)
> >         at org.eclipse.jetty.server.HttpConnection.onFillable(
> > HttpConnection.java:256)
> >         at
> > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(
> > AbstractConnection.java:279)
> >         at org.eclipse.jetty.io.FillInterest.fillable(
> > FillInterest.java:102)
> >         at org.eclipse.jetty.io.ChannelEndPoint$2.run(
> > ChannelEndPoint.java:124)
> >         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.
> > doProduce(EatWhatYouKill.java:247)
> >         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.
> > produce(EatWhatYouKill.java:140)
> >         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(
> > EatWhatYouKill.java:131)
> >         at org.eclipse.jetty.util.thread.ReservedThreadExecutor$
> > ReservedThread.run(ReservedThreadExecutor.java:382)
> >         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(
> > QueuedThreadPool.java:708)
> >         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(
> > QueuedThreadPool.java:626)
> >         at java.lang.Thread.run(Thread.java:748)
> > Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
> > Communications link failure
> >
> > The last packet successfully received from the server was 94
> > milliseconds ago.  The last packet sent successfully to the server was
> > 93 milliseconds ago.
> >         at
> > sun.reflect.GeneratedConstructorAccessor96.newInstance(Unknown
> > Source)
> >         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
> > DelegatingConstructorAccessorImpl.java:45)
> >         at java.lang.reflect.Constructor.newInstance(Constructor.java:
> 423)
> >         ... 82 more
> > Caused by: java.io.EOFException: Can not read response from server.
> > Expected to read 4 bytes, read 0 bytes before connection was
> > unexpectedly lost.
> >         at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3119)
> >         at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3570)
> >         at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3559)
> >         ... 78 more
> >
> >
> >
> > We were able to connect to the GUI during 30 min with same kind of
> > errors each time we tried to start an instance or VR…and it’s now
> > impossible to connect to the GUI.
> >
> > Seems to be a problem with the rollback transaction but i dont know
> > how to deal with it except  wait they finish their jobs
> >
> > Here log from mysqld.log :
> >
> > he manual page at http://dev.mysql.com/doc/mysql/en/crashing.html
> > contains information that should help you find out what is causing the
> crash.
> > 180613 14:24:19 mysqld_safe Number of processes running now: 0
> > 180613 14:24:19 mysqld_safe mysqld restarted
> > 2018-06-13 14:24:19 0 [Warning] TIMESTAMP with implicit DEFAULT value
> > is deprecated. Please use --explici
> > 2018-06-13 14:24:19 0 [Note] /usr/sbin/mysqld (mysqld 5.6.39) starting
> > as process 15999 ...
> > 2018-06-13 14:24:19 15999 [Warning] Buffered warning: Changed limits:
> > max_open_files: 1024 (requested 500
> >
> > 2018-06-13 14:24:19 15999 [Warning] Buffered warning: Changed limits:
> > table_open_cache: 431 (requested 20
> >
> > 2018-06-13 14:24:19 15999 [Note] Plugin 'FEDERATED' is disabled.
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Using atomics to ref count
> > buffer pool pages
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: The InnoDB memory heap is
> > disabled
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Mutexes and rw_locks use GCC
> > atomic builtins
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Memory barrier is not used
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Compressed tables use zlib
> > 1.2.3
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Using Linux native AIO
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Using CPU crc32 instructions
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Initializing buffer pool,
> > size = 128.0M
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Completed initialization of
> > buffer pool
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Highest supported file format
> > is Barracuda.
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Log scan progressed past the
> > checkpoint lsn 7513843395
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Database was not shutdown
> > normally!
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Starting crash recovery.
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Reading tablespace
> > information from the .ibd files...
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Restoring possible
> > half-written data pages
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: from the doublewrite buffer...
> > InnoDB: Doing recovery: scanned up to log sequence number 7513851738
> > 2018-06-13 14:24:19 15999 [Note] InnoDB: Starting an apply batch of
> > log records to the database...
> > InnoDB: Progress in percent: 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
> > 19
> > 20 21 22 23 24 25 26 27 28 29 30 75 76 77 78 79 80 81 82 83 84 85 86
> > 87 88
> > 89 90 91 92 93 94 95 96 97 98 99
> > InnoDB: Apply batch completed
> > 2018-06-13 14:24:20 15999 [Note] InnoDB: 128 rollback segment(s) are
> > active.
> > 2018-06-13 14:24:20 15999 [Note] InnoDB: Waiting for purge to start
> > 2018-06-13 14:24:20 15999 [Note] InnoDB: 5.6.39 started; log sequence
> > number 7513851738
> > 2018-06-13 14:24:20 15999 [Note] Server hostname (bind-address):
> > '172.8.22.170'; port: 3306
> > 2018-06-13 14:24:20 15999 [Note]   - '172.8.22.170' resolves to
> > '172.8.22.170';
> > 2018-06-13 14:24:20 15999 [Note] Server socket created on IP:
> > '172.8.22.170'.
> > 2018-06-13 14:24:20 15999 [Note] Event Scheduler: Loaded 0 events
> > 2018-06-13 14:24:20 15999 [Note] /usr/sbin/mysqld: ready for connections.
> > Version: '5.6.39'  socket: '/var/lib/mysql/mysql.sock'  port: 3306
> > MySQL Community Server (GPL) ^C
> > [root@FRPRCSSQB1 /]# tail -f /var/log/mysqld.log
> > InnoDB: Apply batch completed
> > 2018-06-13 15:28:42 17230 [Note] InnoDB: 128 rollback segment(s) are
> > active.
> > 2018-06-13 15:28:42 17230 [Note] InnoDB: Waiting for purge to start
> > 2018-06-13 15:28:42 17230 [Note] InnoDB: 5.6.39 started; log sequence
> > number 7517034692
> > 2018-06-13 15:28:42 17230 [Note] Server hostname (bind-address):
> > '172.8.22.170'; port: 3306
> > 2018-06-13 15:28:42 17230 [Note]   - '172.8.22.170' resolves to
> > '172.8.22.170';
> > 2018-06-13 15:28:42 17230 [Note] Server socket created on IP:
> > '172.8.22.170'.
> > 2018-06-13 15:28:42 17230 [Note] Event Scheduler: Loaded 0 events
> > 2018-06-13 15:28:42 17230 [Note] /usr/sbin/mysqld: ready for connections.
> > Version: '5.6.39'  socket: '/var/lib/mysql/mysql.sock'  port: 3306
> > MySQL Community Server (GPL)
> >
> > Thanks upfront for any technical help or better understanding of what
> > is going on ;)
> >
> > Best regards,
> > [ignatureBouige]
> >
> >
> > Dag.Sonstebo@xxxxxxxxxxxxx
> > www.shapeblue.com
> > 53 Chandos Place, Covent Garden, London  WC2N 4HSUK @shapeblue
> >
> >
> >
> >
>
>
> --
> Rafael Weingärtner
>



-- 
Rafael Weingärtner


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