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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-7064) snapshot creation for non-system keyspaces is broken
Date Mon, 21 Apr 2014 16:19:15 GMT
Brandon Williams created CASSANDRA-7064:
-------------------------------------------

             Summary: snapshot creation for non-system keyspaces is broken
                 Key: CASSANDRA-7064
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7064
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: 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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