在datastax-enterprise cqlsh 5.0.1 | 卡桑德拉 2.1.12.1046 | DSE 4.8.4 | CQL 规范 3.2.1 | 本机协议 v3
运行 cassandra-stress 时，出现以下错误：
[root@pg0 ~]# cassandra-stress write n=19000000 -rate threads=100 -node 192.168.35.150
Unable to create stress keyspace: Keyspace names must be case-insensitively unique ("keyspace1" conflicts with "keyspace1")
Sleeping 2s...
Warming up WRITE with 50000 iterations...
WARN 04:12:00 Found Netty's native epoll transport in the classpath, but epoll is not available. Using NIO instead.
java.lang.UnsatisfiedLinkError: /tmp/libnetty-transport-native-epoll4216253360502585010.so: /lib64/libc.so.6: version `GLIBC_2.14' not found (required by /tmp/libnetty-transport-native-epoll4216253360502585010.so)
at java.lang.ClassLoader$NativeLibrary.load(Native Method) ~[na:1.8.0_66]
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1938) ~[na:1.8.0_66]
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1821) ~[na:1.8.0_66]
at java.lang.Runtime.load0(Runtime.java:809) ~[na:1.8.0_66]
at java.lang.System.load(System.java:1086) ~[na:1.8.0_66]
at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:193) ~[netty-all-4.0.33.dse.jar:4.0.33.dse]
at io.netty.channel.epoll.Native.<clinit>(Native.java:48) ~[netty-all-4.0.33.dse.jar:4.0.33.dse]
at io.netty.channel.epoll.Epoll.<clinit>(Epoll.java:32) ~[netty-all-4.0.33.dse.jar:4.0.33.dse]
at java.lang.Class.forName0(Native Method) ~[na:1.8.0_66]
at java.lang.Class.forName(Class.java:264) ~[na:1.8.0_66]
at com.datastax.driver.core.NettyUtil.<clinit>(NettyUtil.java:68) ~[cassandra-driver-core-2.1.7.1.jar:na]
at com.datastax.driver.core.NettyOptions.eventLoopGroup(NettyOptions.java:101) [cassandra-driver-core-2.1.7.1.jar:na]
at com.datastax.driver.core.Connection$Factory.<init>(Connection.java:695) [cassandra-driver-core-2.1.7.1.jar:na]
at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1286) [cassandra-driver-core-2.1.7.1.jar:na]
at com.datastax.driver.core.Cluster.getMetadata(Cluster.java:339) [cassandra-driver-core-2.1.7.1.jar:na]
at org.apache.cassandra.stress.util.JavaDriverClient.connect(JavaDriverClient.java:117) [stress.jar:na]
at org.apache.cassandra.stress.settings.StressSettings.getJavaDriverClient(StressSettings.java:189) [stress.jar:na]
at org.apache.cassandra.stress.settings.StressSettings.getJavaDriverClient(StressSettings.java:171) [stress.jar:na]
at org.apache.cassandra.stress.settings.SettingsNode.resolveAllPermitted(SettingsNode.java:80) [stress.jar:na]
at org.apache.cassandra.stress.StressMetrics.<init>(StressMetrics.java:62) [stress.jar:na]
at org.apache.cassandra.stress.StressAction.run(StressAction.java:198) [stress.jar:na]
at org.apache.cassandra.stress.StressAction.warmup(StressAction.java:105) [stress.jar:na]
at org.apache.cassandra.stress.StressAction.run(StressAction.java:61) [stress.jar:na]
at org.apache.cassandra.stress.Stress.main(Stress.java:109) [stress.jar:na]
Connected to cluster: fullstack
Datatacenter: Cassandra; Host: /192.168.35.150; Rack: rack1
Datatacenter: Cassandra; Host: /192.168.35.151; Rack: rack1
Datatacenter: Cassandra; Host: /192.168.35.152; Rack: rack1
Failed to connect over JMX; not collecting these stats
Running WRITE with 100 threads for 19000000 iteration
Failed to connect over JMX; not collecting these stats
type, total ops, op/s, pk/s, row/s, mean, med, .95, .99, .999, max, time, stderr, errors, gc: #, max ms, sum ms, sdv ms, mb
total, 4914, 1443, 1443, 1443, 59.4, 4.1, 13.4, 3181.9, 3241.9, 3243.4, 3.4, 0.00000, 0, 0, 0, 0, 0, 0
total, 17349, 12167, 12167, 12167, 12.2, 5.4, 24.3, 35.9, 3174.5, 3192.0, 4.4, 0.55715, 0, 0, 0, 0, 0, 0
最后显示错误如下：
com.datastax.driver.core.exceptions.UnavailableException: Not enough replica available for query at consistency LOCAL_ONE (1 required but only 0 alive)
com.datastax.driver.core.exceptions.UnavailableException: Not enough replica available for query at consistency LOCAL_ONE (1 required but only 0 alive)
total, 5711242, 3527, 3527, 3527, 1.1, 1.0, 1.7, 2.5, 6.5, 9.2, 1499.2, 0.00563, 0, 0, 0, 0, 0, 0
java.io.IOException: Operation x10 on key(s) [4b314b4c3537364f4e30]: Error executing: (UnavailableException): Not enough replica available for query at consistency LOCAL_ONE (1 required but only 0 alive)
at org.apache.cassandra.stress.Operation.error(Operation.java:216)
at org.apache.cassandra.stress.Operation.timeWithRetry(Operation.java:188)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:99)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:107)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:259)
at org.apache.cassandra.stress.StressAction$Consumer.run(StressAction.java:309)
java.io.IOException: Operation x10 on key(s) [3339304c503338363630]: Error executing: (UnavailableException): Not enough replica available for query at consistency LOCAL_ONE (1 required but only 0 alive)
at org.apache.cassandra.stress.Operation.error(Operation.java:216)
at org.apache.cassandra.stress.Operation.timeWithRetry(Operation.java:188)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:99)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:107)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:259)
at org.apache.cassandra.stress.StressAction$Consumer.run(StressAction.java:309)
java.io.IOException: Operation x10 on key(s) [3635393236394c4d3531]: Error executing: (UnavailableException): Not enough replica available for query at consistency LOCAL_ONE (1 required but only 0 alive)
at org.apache.cassandra.stress.Operation.error(Operation.java:216)
at org.apache.cassandra.stress.Operation.timeWithRetry(Operation.java:188)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:99)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:107)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:259)
at org.apache.cassandra.stress.StressAction$Consumer.run(StressAction.java:309)
java.io.IOException: Operation x10 on key(s) [384c31503530394e3131]: Error executing: (UnavailableException): Not enough replica available for query at consistency LOCAL_ONE (1 required but only 0 alive)
at org.apache.cassandra.stress.Operation.error(Operation.java:216)
at org.apache.cassandra.stress.Operation.timeWithRetry(Operation.java:188)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:99)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:107)
at org.apache.cassandra.stress.operations.predefined.CqlOperation.run(CqlOperation.java:259)
at org.apache.cassandra.stress.StressAction$Consumer.run(StressAction.java:309)
FAILURE
有什么问题吗？命令是：cassandra-stress write n=19000000 -rate threads=4 -node 192.168.35.150
3个节点