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  1. Cassandra
  2. CASSANDRA-7064

snapshot creation for non-system keyspaces snapshots to the flush and data dirs

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Details

    • Bug
    • Status: Resolved
    • Urgent
    • Resolution: Fixed
    • 2.1 beta2
    • None
    • None
    • Critical

    Description

      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# 
      

      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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            brandon.williams Brandon Williams
            brandon.williams Brandon Williams
            Brandon Williams
            Yuki Morishita
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            Dates

              Created:
              Updated:
              Resolved: