With the fix for https://github.com/yugabyte/yugabyte-db/issues/1465: 07:08 $ java -jar ~/yb-sample-apps.jar --workload CassandraTransactionalKeyValue --nodes 127.0.0.1:9042 --num_range_keys 50 --num_threads_write 50 0 [main] INFO com.yugabyte.sample.Main - Starting sample app... 42 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Using a randomly generated UUID : ee7f9087-2b0d-4669-b176-d4613102dc6a 49 [main] INFO com.yugabyte.sample.common.CmdLineOpts - App: CassandraTransactionalKeyValue 50 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Run time (seconds): -1 50 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Adding node: 127.0.0.1:9042 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num reader threads: 24, num writer threads: 50 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num unique keys to insert: 1000000 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num keys to update: -1000001 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num keys to read: -1 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Value size: 0 52 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Restrict values to ASCII strings: false 52 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Perform sanity check at end of app run: false 52 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Table TTL (secs): -1 52 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Local reads: false 52 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Read only load: false 150 [main] INFO com.yugabyte.sample.apps.AppBase - Connecting with 4 clients to nodes: /127.0.0.1:9042 1086 [main] INFO com.yugabyte.sample.apps.AppBase - Created a Cassandra table using query: [CREATE TABLE IF NOT EXISTS CassandraTransactionalKeyValue_50range_keys (k varchar, r1 varchar, r2 varchar, r3 varchar, r4 varchar, r5 varchar, r6 varchar, r7 varchar, r8 varchar, r9 varchar, r10 varchar, r11 varchar, r12 varchar, r13 varchar, r14 varchar, r15 varchar, r16 varchar, r17 varchar, r18 varchar, r19 varchar, r20 varchar, r21 varchar, r22 varchar, r23 varchar, r24 varchar, r25 varchar, r26 varchar, r27 varchar, r28 varchar, r29 varchar, r30 varchar, r31 varchar, r32 varchar, r33 varchar, r34 varchar, r35 varchar, r36 varchar, r37 varchar, r38 varchar, r39 varchar, r40 varchar, r41 varchar, r42 varchar, r43 varchar, r44 varchar, r45 varchar, r46 varchar, r47 varchar, r48 varchar, r49 varchar, r50 varchar, v bigint, primary key ((k), r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28, r29, r30, r31, r32, r33, r34, r35, r36, r37, r38, r39, r40, r41, r42, r43, r44, r45, r46, r47, r48, r49, r50)) WITH transactions = { 'enabled' : true };] 6091 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 239.36 ops/sec (80.99 ms/op), 1197 total ops | Write: 396.45 ops/sec (123.28 ms/op), 1983 total ops | Uptime: 5004 ms | maxWrittenKey: 1979 | maxGeneratedKey: 2032 | 11101 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 214.71 ops/sec (110.65 ms/op), 2273 total ops | Write: 324.91 ops/sec (153.74 ms/op), 3611 total ops | Uptime: 10014 ms | maxWrittenKey: 3601 | maxGeneratedKey: 3660 | 16103 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 222.12 ops/sec (108.43 ms/op), 3384 total ops | Write: 341.10 ops/sec (146.90 ms/op), 5317 total ops | Uptime: 15016 ms | maxWrittenKey: 5297 | maxGeneratedKey: 5366 | 21103 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 211.78 ops/sec (113.87 ms/op), 4443 total ops | Write: 341.36 ops/sec (146.11 ms/op), 7024 total ops | Uptime: 20016 ms | maxWrittenKey: 7020 | maxGeneratedKey: 7073 | 26104 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 186.35 ops/sec (128.21 ms/op), 5375 total ops | Write: 301.53 ops/sec (164.47 ms/op), 8532 total ops | Uptime: 25017 ms | maxWrittenKey: 8516 | maxGeneratedKey: 8581 | 31105 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 203.76 ops/sec (117.50 ms/op), 6394 total ops | Write: 319.54 ops/sec (157.90 ms/op), 10130 total ops | Uptime: 30018 ms | maxWrittenKey: 10118 | maxGeneratedKey: 10179 | 36107 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 204.74 ops/sec (117.79 ms/op), 7418 total ops | Write: 320.30 ops/sec (156.22 ms/op), 11732 total ops | Uptime: 35020 ms | maxWrittenKey: 11721 | maxGeneratedKey: 11781 | 41109 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 200.69 ops/sec (120.22 ms/op), 8422 total ops | Write: 329.23 ops/sec (150.95 ms/op), 13379 total ops | Uptime: 40022 ms | maxWrittenKey: 13364 | maxGeneratedKey: 13428 | 46111 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 216.93 ops/sec (108.61 ms/op), 9507 total ops | Write: 338.10 ops/sec (147.80 ms/op), 15070 total ops | Uptime: 45024 ms | maxWrittenKey: 15054 | maxGeneratedKey: 15119 | 51112 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 396.96 ops/sec (61.38 ms/op), 11492 total ops | Write: 599.94 ops/sec (82.99 ms/op), 18070 total ops | Uptime: 50024 ms | maxWrittenKey: 18058 | maxGeneratedKey: 18119 | Without the fix for https://github.com/yugabyte/yugabyte-db/issues/1465: 07:07 $ java -jar ~/yb-sample-apps.jar --workload CassandraTransactionalKeyValue --nodes 127.0.0.1:9042 --num_range_keys 50 --num_threads_write 50 0 [main] INFO com.yugabyte.sample.Main - Starting sample app... 42 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Using a randomly generated UUID : 83869346-f539-41cf-8c8d-3221fbe45891 49 [main] INFO com.yugabyte.sample.common.CmdLineOpts - App: CassandraTransactionalKeyValue 49 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Run time (seconds): -1 49 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Adding node: 127.0.0.1:9042 50 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num reader threads: 24, num writer threads: 50 50 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num unique keys to insert: 1000000 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num keys to update: -1000001 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Num keys to read: -1 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Value size: 0 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Restrict values to ASCII strings: false 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Perform sanity check at end of app run: false 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Table TTL (secs): -1 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Local reads: false 51 [main] INFO com.yugabyte.sample.common.CmdLineOpts - Read only load: false 147 [main] INFO com.yugabyte.sample.apps.AppBase - Connecting with 4 clients to nodes: /127.0.0.1:9042 1143 [main] INFO com.yugabyte.sample.apps.AppBase - Created a Cassandra table using query: [CREATE TABLE IF NOT EXISTS CassandraTransactionalKeyValue_50range_keys (k varchar, r1 varchar, r2 varchar, r3 varchar, r4 varchar, r5 varchar, r6 varchar, r7 varchar, r8 varchar, r9 varchar, r10 varchar, r11 varchar, r12 varchar, r13 varchar, r14 varchar, r15 varchar, r16 varchar, r17 varchar, r18 varchar, r19 varchar, r20 varchar, r21 varchar, r22 varchar, r23 varchar, r24 varchar, r25 varchar, r26 varchar, r27 varchar, r28 varchar, r29 varchar, r30 varchar, r31 varchar, r32 varchar, r33 varchar, r34 varchar, r35 varchar, r36 varchar, r37 varchar, r38 varchar, r39 varchar, r40 varchar, r41 varchar, r42 varchar, r43 varchar, r44 varchar, r45 varchar, r46 varchar, r47 varchar, r48 varchar, r49 varchar, r50 varchar, v bigint, primary key ((k), r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28, r29, r30, r31, r32, r33, r34, r35, r36, r37, r38, r39, r40, r41, r42, r43, r44, r45, r46, r47, r48, r49, r50)) WITH transactions = { 'enabled' : true };] 6149 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 229.30 ops/sec (79.93 ms/op), 1147 total ops | Write: 367.71 ops/sec (132.87 ms/op), 1840 total ops | Uptime: 5005 ms | maxWrittenKey: 1836 | maxGeneratedKey: 1889 | 11181 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 329.83 ops/sec (72.26 ms/op), 2807 total ops | Write: 511.17 ops/sec (97.60 ms/op), 4412 total ops | Uptime: 10037 ms | maxWrittenKey: 4398 | maxGeneratedKey: 4461 | 16183 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 201.88 ops/sec (119.58 ms/op), 3817 total ops | Write: 320.02 ops/sec (157.29 ms/op), 6013 total ops | Uptime: 15039 ms | maxWrittenKey: 6009 | maxGeneratedKey: 6062 | 21184 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 230.55 ops/sec (104.91 ms/op), 4970 total ops | Write: 364.53 ops/sec (136.72 ms/op), 7836 total ops | Uptime: 20040 ms | maxWrittenKey: 7819 | maxGeneratedKey: 7885 | 26185 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 180.56 ops/sec (132.68 ms/op), 5873 total ops | Write: 287.74 ops/sec (174.10 ms/op), 9275 total ops | Uptime: 25041 ms | maxWrittenKey: 9270 | maxGeneratedKey: 9324 | 31186 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 227.97 ops/sec (105.60 ms/op), 7013 total ops | Write: 341.96 ops/sec (146.04 ms/op), 10985 total ops | Uptime: 30042 ms | maxWrittenKey: 10976 | maxGeneratedKey: 11035 | 36186 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 213.78 ops/sec (111.43 ms/op), 8082 total ops | Write: 326.97 ops/sec (151.37 ms/op), 12620 total ops | Uptime: 35042 ms | maxWrittenKey: 12603 | maxGeneratedKey: 12669 | 41187 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 370.16 ops/sec (65.09 ms/op), 9933 total ops | Write: 573.54 ops/sec (88.44 ms/op), 15488 total ops | Uptime: 40043 ms | maxWrittenKey: 15463 | maxGeneratedKey: 15537 | 46188 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 294.56 ops/sec (63.59 ms/op), 11406 total ops | Write: 460.94 ops/sec (85.25 ms/op), 17793 total ops | Uptime: 45044 ms | maxWrittenKey: 17775 | maxGeneratedKey: 17842 | 51188 [Thread-1] INFO com.yugabyte.sample.common.metrics.MetricsTracker - Read: 196.77 ops/sec (149.23 ms/op), 12390 total ops | Write: 297.36 ops/sec (203.82 ms/op), 19280 total ops | Uptime: 50044 ms | maxWrittenKey: 19276 | maxGeneratedKey: 19329 |