*Hello,* *I'm using cassandra 0.7.0 rc1, a single node configuration, replication factor 1, random partitioner, 2 GO heap size.* *I ran my hector client to insert 5.000.000 rows but after a couple of hours, the following Exception occurs : *
WARN [main] 2010-12-15 16:38:53,335 CustomTThreadPoolServer.java (line 104) Transport error occurred during acceptance of message. org.apache.thrift.transport.TTransportException: java.net.SocketException: Too many open files at org.apache.thrift.transport.TServerSocket.acceptImpl(TServerSocket.java:124) at org.apache.cassandra.thrift.TCustomServerSocket.acceptImpl(TCustomServerSocket.java:67) at org.apache.cassandra.thrift.TCustomServerSocket.acceptImpl(TCustomServerSocket.java:38) at org.apache.thrift.transport.TServerTransport.accept(TServerTransport.java:31) at org.apache.cassandra.thrift.CustomTThreadPoolServer.serve(CustomTThreadPoolServer.java:98) at org.apache.cassandra.thrift.CassandraDaemon.start(CassandraDaemon.java:120) at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:229) at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:134) Caused by: java.net.SocketException: Too many open files at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384) at java.net.ServerSocket.implAccept(ServerSocket.java:453) at java.net.ServerSocket.accept(ServerSocket.java:421) at org.apache.thrift.transport.TServerSocket.acceptImpl(TServerSocket.java:119) *When I try to restart Cassandra, I have the following exception :* ERROR 16:42:26,573 Exception encountered during startup. java.lang.ArithmeticException: / by zero at org.apache.cassandra.io.sstable.SSTable.estimateRowsFromIndex(SSTable.java:233) at org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:284) at org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:200) at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:225) at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:449) at org.apache.cassandra.db.ColumnFamilyStore.addIndex(ColumnFamilyStore.java:306) at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:246) at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:449) at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:437) at org.apache.cassandra.db.Table.initCf(Table.java:341) at org.apache.cassandra.db.Table.<init>(Table.java:283) at org.apache.cassandra.db.Table.open(Table.java:114) at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:138) at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:55) at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:216) at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:134) I am looking for advice on how to debug this. Thanks, -- Amin
