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From Ramesh Natarajan <rames...@gmail.com>
Subject nodetool cfstats on 1.0.0-rc1 throws an exception
Date Mon, 03 Oct 2011 22:00:57 GMT
We have about 5000 column family and when we run the nodetool cfstats it
throws out this exception...  this is running 1.0.0-rc1

This seems to work on 0.8.6.  Is this a bug in 1.0.0?


thanks
Ramesh

Keyspace: system
        Read Count: 28
        Read Latency: 5.8675 ms.
        Write Count: 3
        Write Latency: 0.166 ms.
        Pending Tasks: 0
                Column Family: Schema
                SSTable count: 4
                Space used (live): 4293758276
                Space used (total): 4293758276
                Number of Keys (estimate): 5376
                Memtable Columns Count: 0
                Memtable Data Size: 0
                Memtable Switch Count: 0
                Read Count: 3
                Read Latency: NaN ms.
                Write Count: 0
                Write Latency: NaN ms.
                Pending Tasks: 0
                Key cache capacity: 53
                Key cache size: 2
                Key cache hit rate: NaN
                Row cache: disabled
                Compacted row minimum size: 104
                Compacted row maximum size: 1955666
                Compacted row mean size: 1508515

                Column Family: HintsColumnFamily
                SSTable count: 0
                Space used (live): 0
                Space used (total): 0
                Number of Keys (estimate): 0
                Memtable Columns Count: 0
                Memtable Data Size: 0
                Memtable Switch Count: 0
                Read Count: 5
                Read Latency: NaN ms.
                Write Count: 0
                Write Latency: NaN ms.
                Pending Tasks: 0
                Key cache capacity: 1
                Key cache size: 0
                Key cache hit rate: NaN
                Row cache: disabled
                Compacted row minimum size: 0
                Compacted row maximum size: 0
                Compacted row mean size: 0

                Column Family: LocationInfo
                SSTable count: 1
                Space used (live): 6947
                Space used (total): 6947
                Number of Keys (estimate): 128
                Memtable Columns Count: 0
                Memtable Data Size: 0
                Memtable Switch Count: 2
                Read Count: 20
                Read Latency: NaN ms.
                Write Count: 3
                Write Latency: NaN ms.
                Pending Tasks: 0
                Key cache capacity: 1
                Key cache size: 1
                Key cache hit rate: NaN
                Row cache: disabled
                Compacted row minimum size: 73
                Compacted row maximum size: 258
                Compacted row mean size: 185

                Column Family: Migrations
                SSTable count: 4
                Space used (live): 4315909643
                Space used (total): 4315909643
                Number of Keys (estimate): 512
                Memtable Columns Count: 0
                Memtable Data Size: 0
                Memtable Switch Count: 0
                Read Count: 0
                Read Latency: NaN ms.
                Write Count: 0
                Write Latency: NaN ms.
                Pending Tasks: 0
                Key cache capacity: 5
                Key cache size: 0
                Key cache hit rate: NaN
                Row cache: disabled
                Compacted row minimum size: 5839589
                Compacted row maximum size: 9223372036854775807
Exception in thread "main" java.lang.IllegalStateException: Unable to
compute ceiling for max when histogram overflowed
        at
org.apache.cassandra.utils.EstimatedHistogram.mean(EstimatedHistogram.java:170)
        at
org.apache.cassandra.db.DataTracker.getMeanRowSize(DataTracker.java:395)
        at
org.apache.cassandra.db.ColumnFamilyStore.getMeanRowSize(ColumnFamilyStore.java:275)
        at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
        at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
        at
com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
        at
com.sun.jmx.mbeanserver.PerInterface.getAttribute(PerInterface.java:65)
        at
com.sun.jmx.mbeanserver.MBeanSupport.getAttribute(MBeanSupport.java:216)
        at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:666)
        at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:638)
        at
javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1404)
        at
javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
        at
javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
        at
javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
        at
javax.management.remote.rmi.RMIConnectionImpl.getAttribute(RMIConnectionImpl.java:600)
        at sun.reflect.GeneratedMethodAccessor45.invoke(Unknown Source)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at
sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
        at sun.rmi.transport.Transport$1.run(Transport.java:159)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
        at
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
        at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
        at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)

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