{"action":"created","issue":{"url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/519","labels_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/519/labels{/name}","comments_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/519/comments","events_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/519/events","html_url":"https://github.com/brianfrankcooper/YCSB/issues/519","id":119722253,"number":519,"title":"understand the meaning of the output after loading and running workload? nothing saved in workloada_load_res.txt and workloada_run_res.txt","user":{"login":"pushpendrachaturvedi","id":9261033,"avatar_url":"https://avatars.githubusercontent.com/u/9261033?v=3","gravatar_id":"","url":"https://api.github.com/users/pushpendrachaturvedi","html_url":"https://github.com/pushpendrachaturvedi","followers_url":"https://api.github.com/users/pushpendrachaturvedi/followers","following_url":"https://api.github.com/users/pushpendrachaturvedi/following{/other_user}","gists_url":"https://api.github.com/users/pushpendrachaturvedi/gists{/gist_id}","starred_url":"https://api.github.com/users/pushpendrachaturvedi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pushpendrachaturvedi/subscriptions","organizations_url":"https://api.github.com/users/pushpendrachaturvedi/orgs","repos_url":"https://api.github.com/users/pushpendrachaturvedi/repos","events_url":"https://api.github.com/users/pushpendrachaturvedi/events{/privacy}","received_events_url":"https://api.github.com/users/pushpendrachaturvedi/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-12-01T13:56:49Z","updated_at":"2015-12-02T03:28:35Z","closed_at":null,"body":"i am getting following output when running load and run commands\r\ni am unable to understand the meaning of this output and hence unable to resolve the issue\r\nPlease help\r\nNothing saved in workloada_load_res.txt and workloada_run_res.txt, so i believe load is not running, but do not know why\r\n\r\noutput when loading\r\n\r\nloadm@loadm:~/ycsb-0.4.0$ ./bin/ycsb load cassandra-10 -p port=9042 hosts=\"192.168.122.181\" -P workloads/workloada -s > workloada_load_res.txt\r\njava -cp /home/loadm/ycsb-0.4.0/cassandra-binding/conf:/home/loadm/ycsb-0.4.0/conf:/home/loadm/ycsb-0.4.0/lib/core-0.4.0.jar:/home/loadm/ycsb-0.4.0/lib/HdrHistogram-2.1.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-mapper-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-core-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-binding-0.4.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-core-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snaptree-0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jamm-0.2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-mapper-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpcore-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-codec-1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/stringtemplate-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-thrift-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-logging-1.1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5-20081211.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-util-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jbcrypt-0.3m.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/concurrentlinkedhashmap-lru-1.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/guava-13.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/log4j-1.2.16.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-api-1.6.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snappy-java-1.0.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/json-simple-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/compress-lzf-0.8.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/high-scale-lib-1.1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-log4j12-1.7.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/libthrift-0.7.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-cli-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/metrics-core-2.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-2.7.7.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snakeyaml-1.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/avro-1.4.0-cassandra-1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpclient-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-runtime-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jline-1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/lz4-1.1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-driver-core-1.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-all-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-lang-2.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/netty-3.5.9.Final.jar com.yahoo.ycsb.Client -db com.yahoo.ycsb.db.CassandraClient10 -p port=9042 hosts=192.168.122.181 -P workloads/workloada -s -load\r\n\r\n\r\noutput when running\r\n\r\n\r\nloadm@loadm:~/ycsb-0.4.0$ ./bin/ycsb run cassandra-10 -p port=9042 hosts=\"192.168.122.181\" -P workloads/workloada -s > workloada_load_res.txt\r\njava -cp /home/loadm/ycsb-0.4.0/cassandra-binding/conf:/home/loadm/ycsb-0.4.0/conf:/home/loadm/ycsb-0.4.0/lib/core-0.4.0.jar:/home/loadm/ycsb-0.4.0/lib/HdrHistogram-2.1.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-mapper-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-core-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-binding-0.4.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-core-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snaptree-0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jamm-0.2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-mapper-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpcore-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-codec-1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/stringtemplate-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-thrift-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-logging-1.1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5-20081211.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-util-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jbcrypt-0.3m.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/concurrentlinkedhashmap-lru-1.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/guava-13.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/log4j-1.2.16.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-api-1.6.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snappy-java-1.0.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/json-simple-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/compress-lzf-0.8.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/high-scale-lib-1.1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-log4j12-1.7.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/libthrift-0.7.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-cli-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/metrics-core-2.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-2.7.7.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snakeyaml-1.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/avro-1.4.0-cassandra-1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpclient-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-runtime-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jline-1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/lz4-1.1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-driver-core-1.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-all-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-lang-2.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/netty-3.5.9.Final.jar com.yahoo.ycsb.Client -db com.yahoo.ycsb.db.CassandraClient10 -p port=9042 hosts=192.168.122.181 -P workloads/workloada -s -t\r\nloadm@loadm:~/ycsb-0.4.0$ \r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/comments/161168387","html_url":"https://github.com/brianfrankcooper/YCSB/issues/519#issuecomment-161168387","issue_url":"https://api.github.com/repos/brianfrankcooper/YCSB/issues/519","id":161168387,"user":{"login":"pushpendrachaturvedi","id":9261033,"avatar_url":"https://avatars.githubusercontent.com/u/9261033?v=3","gravatar_id":"","url":"https://api.github.com/users/pushpendrachaturvedi","html_url":"https://github.com/pushpendrachaturvedi","followers_url":"https://api.github.com/users/pushpendrachaturvedi/followers","following_url":"https://api.github.com/users/pushpendrachaturvedi/following{/other_user}","gists_url":"https://api.github.com/users/pushpendrachaturvedi/gists{/gist_id}","starred_url":"https://api.github.com/users/pushpendrachaturvedi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pushpendrachaturvedi/subscriptions","organizations_url":"https://api.github.com/users/pushpendrachaturvedi/orgs","repos_url":"https://api.github.com/users/pushpendrachaturvedi/repos","events_url":"https://api.github.com/users/pushpendrachaturvedi/events{/privacy}","received_events_url":"https://api.github.com/users/pushpendrachaturvedi/received_events","type":"User","site_admin":false},"created_at":"2015-12-02T03:28:35Z","updated_at":"2015-12-02T03:28:35Z","body":"Oh, thanks, That worked, i am getting the expected output now but with some exceptions, following are the exceptions before output. Please suggest what shall i do to resolve these exceptions\r\n\r\nIt says remote side has closed, but its up\r\n\r\n**output 1 before reboot**\r\nloadm@loadm:~/ycsb-0.4.0$ ./bin/ycsb run cassandra-10 -p port=9042 -p hosts=\"192.168.122.181\" -P workloads/workloada -s\r\njava -cp /home/loadm/ycsb-0.4.0/cassandra-binding/conf:/home/loadm/ycsb-0.4.0/conf:/home/loadm/ycsb-0.4.0/lib/core-0.4.0.jar:/home/loadm/ycsb-0.4.0/lib/HdrHistogram-2.1.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-mapper-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-core-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-binding-0.4.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-core-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snaptree-0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jamm-0.2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-mapper-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpcore-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-codec-1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/stringtemplate-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-thrift-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-logging-1.1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5-20081211.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-util-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jbcrypt-0.3m.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/concurrentlinkedhashmap-lru-1.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/guava-13.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/log4j-1.2.16.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-api-1.6.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snappy-java-1.0.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/json-simple-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/compress-lzf-0.8.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/high-scale-lib-1.1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-log4j12-1.7.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/libthrift-0.7.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-cli-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/metrics-core-2.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-2.7.7.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snakeyaml-1.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/avro-1.4.0-cassandra-1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpclient-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-runtime-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jline-1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/lz4-1.1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-driver-core-1.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-all-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-lang-2.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/netty-3.5.9.Final.jar com.yahoo.ycsb.Client -db com.yahoo.ycsb.db.CassandraClient10 -p port=9042 -p hosts=192.168.122.181 -P workloads/workloada -s -t\r\nYCSB Client 0.1\r\nCommand line: -db com.yahoo.ycsb.db.CassandraClient10 -p port=9042 -p hosts=192.168.122.181 -P workloads/workloada -s -t\r\nLoading workload...\r\nStarting test.\r\n2015-12-02 04:19:28:739 0 sec: 0 operations; est completion in 0 seconds \r\norg.apache.thrift.transport.TTransportException: Read a negative frame size (-2097152000)!\r\n\tat org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:133)\r\n\tat org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.insert(CassandraClient10.java:437)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.update(CassandraClient10.java:416)\r\n\tat com.yahoo.ycsb.DBWrapper.update(DBWrapper.java:138)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(CoreWorkload.java:755)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:571)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\norg.apache.thrift.transport.TTransportException: Read a negative frame size (-2097152000)!\r\n\tat org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:133)\r\n\tat org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.insert(CassandraClient10.java:437)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.update(CassandraClient10.java:416)\r\n\tat com.yahoo.ycsb.DBWrapper.update(DBWrapper.java:138)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(CoreWorkload.java:755)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:571)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\norg.apache.thrift.transport.TTransportException: Cannot read. Remote side has closed. Tried to read 4 bytes, but only got 0 bytes. (This is often indicative of an internal error on the server side. Please check your server logs.)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:86)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.insert(CassandraClient10.java:437)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.update(CassandraClient10.java:416)\r\n\tat com.yahoo.ycsb.DBWrapper.update(DBWrapper.java:138)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(CoreWorkload.java:755)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:571)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\norg.apache.thrift.transport.TTransportException: Cannot read. Remote side has closed. Tried to read 4 bytes, but only got 0 bytes. (This is often indicative of an internal error on the server side. Please check your server logs.)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:86)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.insert(CassandraClient10.java:437)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.update(CassandraClient10.java:416)\r\n\tat com.yahoo.ycsb.DBWrapper.update(DBWrapper.java:138)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(CoreWorkload.java:755)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:571)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\nException in thread \"Thread-1\" java.lang.OutOfMemoryError: Java heap space\r\n\tat org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:140)\r\n\tat org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.insert(CassandraClient10.java:437)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.update(CassandraClient10.java:416)\r\n\tat com.yahoo.ycsb.DBWrapper.update(DBWrapper.java:138)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(CoreWorkload.java:755)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:571)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\n2015-12-02 04:19:28:819 0 sec: 2 operations; 16.53 current ops/sec; est completion in 1 minutes [UPDATE: Count=2, Max=10495, Min=3382, Avg=6937.5, 90=10495, 99=10495, 99.9=10495, 99.99=10495] \r\n[OVERALL], RunTime(ms), 121.0\r\n[OVERALL], Throughput(ops/sec), 16.52892561983471\r\n[UPDATE], Operations, 2.0\r\n[UPDATE], AverageLatency(us), 6937.5\r\n[UPDATE], MinLatency(us), 3382.0\r\n[UPDATE], MaxLatency(us), 10495.0\r\n[UPDATE], 95thPercentileLatency(us), 10495.0\r\n[UPDATE], 99thPercentileLatency(us), 10495.0\r\n[UPDATE], Return=-1, 2\r\n\r\n\r\n**After reboot , i can see following output with read operations, but exceptions are still there**\r\n\r\n**output 2 after reboot**\r\nloadm@loadm:~/ycsb-0.4.0$ ./bin/ycsb run cassandra-10 -p port=9042 -p hosts=\"192.168.122.181\" -P workloads/workloada -s\r\njava -cp /home/loadm/ycsb-0.4.0/cassandra-binding/conf:/home/loadm/ycsb-0.4.0/conf:/home/loadm/ycsb-0.4.0/lib/core-0.4.0.jar:/home/loadm/ycsb-0.4.0/lib/HdrHistogram-2.1.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-mapper-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/lib/jackson-core-asl-1.9.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-binding-0.4.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-core-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snaptree-0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jamm-0.2.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jackson-mapper-asl-1.9.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpcore-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-codec-1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/stringtemplate-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-thrift-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-logging-1.1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/servlet-api-2.5-20081211.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jetty-util-6.1.22.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jbcrypt-0.3m.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/concurrentlinkedhashmap-lru-1.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/guava-13.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/log4j-1.2.16.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-api-1.6.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snappy-java-1.0.5.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/json-simple-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/compress-lzf-0.8.4.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/high-scale-lib-1.1.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/slf4j-log4j12-1.7.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/libthrift-0.7.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-cli-1.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/metrics-core-2.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-2.7.7.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/snakeyaml-1.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/avro-1.4.0-cassandra-1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/httpclient-4.0.1.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-runtime-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/antlr-3.2.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/jline-1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/lz4-1.1.0.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-driver-core-1.0.3.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/cassandra-all-1.2.9.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/commons-lang-2.6.jar:/home/loadm/ycsb-0.4.0/cassandra-binding/lib/netty-3.5.9.Final.jar com.yahoo.ycsb.Client -db com.yahoo.ycsb.db.CassandraClient10 -p port=9042 -p hosts=192.168.122.181 -P workloads/workloada -s -t\r\nYCSB Client 0.1\r\nCommand line: -db com.yahoo.ycsb.db.CassandraClient10 -p port=9042 -p hosts=192.168.122.181 -P workloads/workloada -s -t\r\nLoading workload...\r\nStarting test.\r\n2015-12-02 04:25:44:626 0 sec: 0 operations; est completion in 0 seconds \r\norg.apache.thrift.transport.TTransportException: Read a negative frame size (-2097152000)!\r\n\tat org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:133)\r\n\tat org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.insert(CassandraClient10.java:437)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.update(CassandraClient10.java:416)\r\n\tat com.yahoo.ycsb.DBWrapper.update(DBWrapper.java:138)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(CoreWorkload.java:755)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:571)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\norg.apache.thrift.transport.TTransportException: Read a negative frame size (-2097152000)!\r\n\tat org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:133)\r\n\tat org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.insert(CassandraClient10.java:437)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.update(CassandraClient10.java:416)\r\n\tat com.yahoo.ycsb.DBWrapper.update(DBWrapper.java:138)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(CoreWorkload.java:755)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:571)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\norg.apache.thrift.transport.TTransportException: Cannot read. Remote side has closed. Tried to read 4 bytes, but only got 0 bytes. (This is often indicative of an internal error on the server side. Please check your server logs.)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:86)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.read(CassandraClient10.java:210)\r\n\tat com.yahoo.ycsb.DBWrapper.read(DBWrapper.java:92)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionRead(CoreWorkload.java:651)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:567)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\norg.apache.thrift.transport.TTransportException: Cannot read. Remote side has closed. Tried to read 4 bytes, but only got 0 bytes. (This is often indicative of an internal error on the server side. Please check your server logs.)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:86)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.read(CassandraClient10.java:210)\r\n\tat com.yahoo.ycsb.DBWrapper.read(DBWrapper.java:92)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionRead(CoreWorkload.java:651)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:567)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\nException in thread \"Thread-1\" java.lang.OutOfMemoryError: Java heap space\r\n\tat org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:140)\r\n\tat org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)\r\n\tat org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)\r\n\tat org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)\r\n\tat org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:531)\r\n\tat org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:518)\r\n\tat com.yahoo.ycsb.db.CassandraClient10.read(CassandraClient10.java:210)\r\n\tat com.yahoo.ycsb.DBWrapper.read(DBWrapper.java:92)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransactionRead(CoreWorkload.java:651)\r\n\tat com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:567)\r\n\tat com.yahoo.ycsb.ClientThread.run(Client.java:329)\r\n2015-12-02 04:25:44:715 0 sec: 2 operations; 15.62 current ops/sec; est completion in 1 minutes [READ: Count=1, Max=3407, Min=3406, Avg=3407, 90=3407, 99=3407, 99.9=3407, 99.99=3407] [UPDATE: Count=1, Max=10639, Min=10632, Avg=10636, 90=10639, 99=10639, 99.9=10639, 99.99=10639] \r\n[OVERALL], RunTime(ms), 128.0\r\n[OVERALL], Throughput(ops/sec), 15.625\r\n[READ], Operations, 1.0\r\n[READ], AverageLatency(us), 3407.0\r\n[READ], MinLatency(us), 3406.0\r\n[READ], MaxLatency(us), 3407.0\r\n[READ], 95thPercentileLatency(us), 3407.0\r\n[READ], 99thPercentileLatency(us), 3407.0\r\n[READ], Return=-1, 1\r\n[UPDATE], Operations, 1.0\r\n[UPDATE], AverageLatency(us), 10636.0\r\n[UPDATE], MinLatency(us), 10632.0\r\n[UPDATE], MaxLatency(us), 10639.0\r\n[UPDATE], 95thPercentileLatency(us), 10639.0\r\n[UPDATE], 99thPercentileLatency(us), 10639.0\r\n[UPDATE], Return=-1, 1\r\n"}}