Looks like you have unexpectedly large rows in your 1.0 cluster but not 0.8. I guess you could use sstable2json to manually check your row sizes.
On Mon, Oct 3, 2011 at 5:20 PM, Ramesh Natarajan <rames...@gmail.com> wrote: > It happens all the time on 1.0. It doesn't happen on 0.8.6. Is there any > thing I can do to check? > thanks > Ramesh > > On Mon, Oct 3, 2011 at 5:15 PM, Jonathan Ellis <jbel...@gmail.com> wrote: >> >> My suspicion would be that it has more to do with "rare case when >> running with 5000 CFs" than "1.0 regression." >> >> On Mon, Oct 3, 2011 at 5:00 PM, Ramesh Natarajan <rames...@gmail.com> >> wrote: >> > 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) >> > >> >> >> >> -- >> Jonathan Ellis >> Project Chair, Apache Cassandra >> co-founder of DataStax, the source for professional Cassandra support >> http://www.datastax.com > > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
