Can anyone help with this? It is preventing me from getting backups of our cluster.
Lee Parker On Mon, Apr 26, 2010 at 10:02 PM, Lee Parker <l...@socialagency.com> wrote: > I was attempting to get a snapshot on our cassandra nodes. I get the > following error every time I run nodetool ... snapshot. > > Exception in thread "main" java.io.IOException: Cannot run program "ln": > java.io.IOException: error=12, Cannot allocate memory > at java.lang.ProcessBuilder.start(ProcessBuilder.java:459) > at > org.apache.cassandra.io.util.FileUtils.createHardLink(FileUtils.java:221) > at > org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1060) > at org.apache.cassandra.db.Table.snapshot(Table.java:256) > at > org.apache.cassandra.service.StorageService.takeAllSnapshot(StorageService.java:1005) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > 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.invoke(PerInterface.java:120) > at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836) > at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761) > at > javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1426) > at > javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72) > at > javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1264) > at > javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1359) > at > javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > 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:619) > Caused by: java.io.IOException: java.io.IOException: error=12, Cannot > allocate memory > at java.lang.UNIXProcess.<init>(UNIXProcess.java:148) > at java.lang.ProcessImpl.start(ProcessImpl.java:65) > at java.lang.ProcessBuilder.start(ProcessBuilder.java:452) > ... 34 more > > The nodes are both Amazon EC2 Large instances with 7.5G RAM (6 allocated > for Java heap) with two cores and only 70G of data in casssandra. They have > plenty of available RAM and HD space. Has anyone else run into this error? > > Lee Parker >
