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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7064) snapshot creation for non-system keyspaces snapshots to the flush and data dirs
Date Mon, 21 Apr 2014 20:02:15 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brandon Williams updated CASSANDRA-7064:
----------------------------------------

    Summary: snapshot creation for non-system keyspaces snapshots to the flush and data dirs
 (was: snapshot creation for non-system keyspaces is broken)

> snapshot creation for non-system keyspaces snapshots to the flush and data dirs
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-7064
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7064
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>            Priority: Blocker
>             Fix For: 2.1 beta2
>
>
> {noformat}
> root@bw-3:/srv/cassandra-dtest# ../cassandra/bin/nodetool snapshot -t testsnapshot
> Requested creating snapshot(s) for [all keyspaces] with snapshot name [testsnapshot]
> Snapshot directory: testsnapshot
> root@bw-3:/srv/cassandra-dtest# ls /var/lib/cassandra/data/
> foo  system  system_traces
> root@bw-3:/srv/cassandra-dtest# ls /var/lib/cassandra/data/foo/
> bar-c5e32c10c96b11e39f8d3b546d897db7
> root@bw-3:/srv/cassandra-dtest# ../cassandra/bin/nodetool snapshot
> Requested creating snapshot(s) for [all keyspaces] with snapshot name [1398095603827]
> Snapshot directory: 1398095603827
> root@bw-3:/srv/cassandra-dtest# ls /var/lib/cassandra/data/
> foo/           system/        system_traces/ 
> root@bw-3:/srv/cassandra-dtest# ls /var/lib/cassandra/data/foo/
> bar-c5e32c10c96b11e39f8d3b546d897db7
> root@bw-3:/srv/cassandra-dtest# ../cassandra/bin/nodetool snapshot foo
> Requested creating snapshot(s) for [foo] with snapshot name [1398095800752]
> Snapshot directory: 1398095800752
> root@bw-3:/srv/cassandra-dtest# ls /var/lib/cassandra/data/foo/
> bar-c5e32c10c96b11e39f8d3b546d897db7
> root@bw-3:/srv/cassandra-dtest# ../cassandra/bin/nodetool snapshot foo -cf bar -t testsnapshot
> Requested creating snapshot(s) for [foo] with snapshot name [testsnapshot]
> error: Snapshot testsnapshot already exists.
> -- StackTrace --
> java.io.IOException: Snapshot testsnapshot already exists.
>  at org.apache.cassandra.service.StorageService.takeColumnFamilySnapshot(StorageService.java:2315)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:606)
>  at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75)
>  at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:606)
>  at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279)
>  at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:112)
>  at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:46)
>  at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)
>  at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138)
>  at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252)
>  at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
>  at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
>  at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1487)
>  at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:97)
>  at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1328)
>  at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1420)
>  at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:848)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:606)
>  at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
>  at sun.rmi.transport.Transport$1.run(Transport.java:177)
>  at sun.rmi.transport.Transport$1.run(Transport.java:174)
>  at java.security.AccessController.doPrivileged(Native Method)
>  at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
>  at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556)
>  at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811)
>  at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670)
>  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>  at java.lang.Thread.run(Thread.java:744)
> root@bw-3:/srv/cassandra-dtest# ls /var/lib/cassandra/data/foo/
> bar-c5e32c10c96b11e39f8d3b546d897db7
> root@bw-3:/srv/cassandra-dtest# ls -R /var/lib/cassandra/data/foo/|grep testsnap
> root@bw-3:/srv/cassandra-dtest# ls -R /var/lib/cassandra/data/|grep testsnap
> testsnapshot
> /var/lib/cassandra/data/system/local-7ad54392bcdd35a684174e047860b377/snapshots/testsnapshot:
> root@bw-3:/srv/cassandra-dtest# ../cassandra/bin/nodetool snapshot foo -cf bar -t testsnapshot2
> Requested creating snapshot(s) for [foo] with snapshot name [testsnapshot2]
> Snapshot directory: testsnapshot2
> root@bw-3:/srv/cassandra-dtest# ls -R /var/lib/cassandra/data/|grep testsnap
> testsnapshot
> /var/lib/cassandra/data/system/local-7ad54392bcdd35a684174e047860b377/snapshots/testsnapshot:
> root@bw-3:/srv/cassandra-dtest# 
> {noformat}
> As shown above, snapshots for the 'foo' keyspace are never created, but it does seem
to think it created them since I can't use the same name twice.



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