mirror of https://github.com/etcd-io/dbtester.git
benchmarkconsuldatabasedatabase-benchmarkingdistributed-databasedistributed-systemsetcdgoperformance-analysisperformance-visualizationzookeeper
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|
||
|---|---|---|
| agent | ||
| analyze | ||
| cmd/dbtester | ||
| control | ||
| dbtesterpb | ||
| pkg | ||
| scripts | ||
| test-configs | ||
| test-results/2017Q1-00-etcd-zookeeper-consul | ||
| vendor | ||
| .travis.yml | ||
| CONTRIBUTING.md | ||
| DCO | ||
| LICENSE | ||
| NOTICE | ||
| README.md | ||
| broadcast_request.go | ||
| config-dbtester-gcloud-key.json | ||
| config_cetcd.go | ||
| config_consul.go | ||
| config_dbtester.go | ||
| config_dbtester_test.go | ||
| config_dbtester_test.yaml | ||
| config_etcdv2.go | ||
| config_etcdv3.go | ||
| config_zetcd.go | ||
| config_zookeeper.go | ||
| find_ranges.go | ||
| find_ranges_test.go | ||
| glide.lock | ||
| glide.yaml | ||
| logger.go | ||
| readme.go | ||
| report.go | ||
| report_save_upload.go | ||
| stress.go | ||
| stress_client.go | ||
| stress_client_consul.go | ||
| stress_client_etcdv2.go | ||
| stress_client_etcdv3.go | ||
| stress_client_zookeeper.go | ||
| util.go | ||
| util_test.go | ||
README.md
dbtester
Distributed database benchmark tester: etcd, Zookeeper, Consul, zetcd, cetcd
- Database Agent
- Database Client
- System Metrics
- Test Data Analysis
For etcd, we recommend etcd benchmark tool.
All logs and results can be found at https://github.com/coreos/dbtester/tree/master/test-results
Noticeable Warnings: Zookeeper
Snapshot, when writing 1-million entries (256-byte key, 1KB value value), with 300 concurrent clients
# snapshot warnings
grep -r -i fsync-ing\ the zookeeper-r3.4.9-java8-* | less
...
java.lang.InterruptedException
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireInterruptibly(AbstractQueuedSynchronizer.java:1220)
at java.util.concurrent.locks.ReentrantLock.lockInterruptibly(ReentrantLock.java:335)
at java.util.concurrent.LinkedBlockingQueue.put(LinkedBlockingQueue.java:339)
at org.apache.zookeeper.server.quorum.LearnerHandler.shutdown(LearnerHandler.java:654)
at org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:647)
2017-02-06 22:02:19,388 [myid:2] - WARN [SyncThread:2:FileTxnLog@338] - fsync-ing the write ahead log in SyncThread:2 took 1083ms which will adversely effect operation latency. See the ZooKeeper troubleshooting guide
2017-02-06 22:02:20,000 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570038, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570024, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570051, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570044, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570037, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570059, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570039, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570026, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a570013, timeout of 4000ms exceeded
2017-02-06 22:02:20,526 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a57004f, timeout of 4000ms exceeded
2017-02-06 22:02:20,527 [myid:2] - INFO [SessionTracker:ZooKeeperServer@358] - Expiring session 0x15a15722a57005b, timeout of 4000ms exceeded
2017-02-06 22:02:20,527 [myid:2] - WARN [SyncThread:2:FileTxnLog@338] - fsync-ing the write ahead log in SyncThread:2 took 1023ms which will adversely effect operation latency. See the ZooKeeper troubleshooting guide
...
When writing more than 2-million entries (256-byte key, 1KB value value) with 300 concurrent clients
# leader election
grep -r -i election\ took zookeeper-r3.4.9-java8-* | less
...
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:15:50,966 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 15202
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:16:14,346 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 13354
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:16:24,781 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 6426
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:16:48,327 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 12808
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:16:55,542 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 3207
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:17:19,225 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 13652
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:17:37,581 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 15147
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:18:01,784 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 13368
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:18:20,758 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 15025
zookeeper-r3.4.9-java8-1-database.log:2017-02-06 15:18:43,963 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@61] - FOLLOWING - LEADER ELECTION TOOK - 13176
...
Noticeable Warnings: Consul
Snapshot, when writing 1-million entries (256-byte key, 1KB value value), with 500 concurrent clients
# snapshot warnings
grep -r -i installed\ remote consul-v0.7.3-go1.7.4-* | less
2017/02/06 22:04:23 [ERR] raft-net: Failed to flush response: write tcp 10.240.0.31:8300->10.240.0.30:46032: write: connection reset by peer
2017/02/06 22:04:24 [INFO] snapshot: Creating new snapshot at /home/gyuho/consul.data/raft/snapshots/2-740201-1486418664486.tmp
2017/02/06 22:04:26 [INFO] snapshot: reaping snapshot /home/gyuho/consul.data/raft/snapshots/2-688951-1486418642600
2017/02/06 22:04:26 [INFO] raft: Copied 1005637598 bytes to local snapshot
2017/02/06 22:04:34 [INFO] raft: Compacting logs from 724865 to 725120
2017/02/06 22:04:34 [INFO] raft: Installed remote snapshot
2017/02/06 22:04:35 [INFO] snapshot: Creating new snapshot at /home/gyuho/consul.data/raft/snapshots/2-756515-1486418675363.tmp
2017/02/06 22:04:37 [INFO] snapshot: reaping snapshot /home/gyuho/consul.data/raft/snapshots/2-734528-1486418655488
2017/02/06 22:04:37 [INFO] raft: Copied 1027808324 bytes to local snapshot
2017/02/06 22:04:45 [INFO] consul.fsm: snapshot created in 18.935µs
2017/02/06 22:04:45 [INFO] raft: Compacting logs from 725121 to 725120
2017/02/06 22:04:46 [INFO] raft: Installed remote snapshot
2017/02/06 22:04:46 [INFO] raft: Starting snapshot up to 756515
Logs do not tell much but average latency spikes (e.g. from 258.28656 ms to 6265.185836 ms)
Write 1M keys, 256-byte key, 1KB value value, clients 1 to 1,000
- Google Cloud Compute Engine
- 4 machines of 16 vCPUs + 30 GB Memory + 150 GB SSD (1 for client)
- Ubuntu 16.10
- etcd v3.1 (Go 1.7.4)
- Zookeeper r3.4.9
- Java 8
- javac 1.8.0_121
- Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
- Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
- Consul v0.7.3 (Go 1.7.4)
+---------------------------------------+-------------------+------------------------+-----------------------+
| | etcd-v3.1-go1.7.4 | zookeeper-r3.4.9-java8 | consul-v0.7.3-go1.7.4 |
+---------------------------------------+-------------------+------------------------+-----------------------+
| TOTAL-SECONDS | 338.7661 sec | 344.3563 sec | 703.7060 sec |
| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
| MAX-THROUGHPUT | 35,147 req/sec | 31,726 req/sec | 15,328 req/sec |
| AVG-THROUGHPUT | 2,951 req/sec | 2,903 req/sec | 1,421 req/sec |
| MIN-THROUGHPUT | 90 req/sec | 0 req/sec | 0 req/sec |
| FASTEST-LATENCY | 1.1001 ms | 1.1093 ms | 2.9964 ms |
| AVG-LATENCY | 13.8862 ms | 34.9948 ms | 72.5791 ms |
| SLOWEST-LATENCY | 109.4800 ms | 2618.2703 ms | 20860.6692 ms |
| Latency p10 | 2.295037 ms | 2.620473 ms | 3.982040 ms |
| Latency p25 | 5.788546 ms | 3.932461 ms | 7.888984 ms |
| Latency p50 | 9.935599 ms | 7.747493 ms | 21.950488 ms |
| Latency p75 | 17.040088 ms | 16.891088 ms | 58.936521 ms |
| Latency p90 | 28.513968 ms | 28.114578 ms | 126.568085 ms |
| Latency p95 | 44.023164 ms | 44.599685 ms | 165.331967 ms |
| Latency p99 | 60.351324 ms | 1063.554863 ms | 430.071868 ms |
| Latency p99.9 | 94.058105 ms | 2336.144865 ms | 12648.734251 ms |
| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.1 GB | 5.4 GB | 7.9 GB |
| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.9 GB | 4.4 GB | 6.6 GB |
| CLIENT-TOTAL-NETWORK-RX-SUM | 270 MB | 357 MB | 202 MB |
| CLIENT-TOTAL-NETWORK-TX-SUM | 1.5 GB | 1.4 GB | 1.5 GB |
| SERVER-MAX-CPU-USAGE | 434.00 % | 600.67 % | 416.00 % |
| SERVER-MAX-MEMORY-USAGE | 1.3 GB | 4.0 GB | 5.4 GB |
| CLIENT-MAX-CPU-USAGE | 540.00 % | 322.00 % | 204.00 % |
| CLIENT-MAX-MEMORY-USAGE | 330 MB | 3.6 GB | 199 MB |
| CLIENT-ERROR-COUNT | 0 | 24 | 0 |
| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 76 | 334 | 66 |
| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 1,217,294 | 953,784 | 2,381,092 |
| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 714,152 | 9,304,072 | 10,711,132 |
| SERVER-AVG-DISK-SPACE-USAGE | 3.0 GB | 7.9 GB | 3.0 GB |
+---------------------------------------+-------------------+------------------------+-----------------------+
zookeeper errors:
"zk: could not connect to a server" (count 24)
Write 1M keys, 256-byte key, 1KB value, Best Throughput (etcd 700, Zookeeper 300, Consul 500 clients)
- Google Cloud Compute Engine
- 4 machines of 16 vCPUs + 30 GB Memory + 150 GB SSD (1 for client)
- Ubuntu 16.10
- etcd v3.1 (Go 1.7.4)
- Zookeeper r3.4.9
- Java 8
- javac 1.8.0_121
- Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
- Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
- Consul v0.7.3 (Go 1.7.4)
+---------------------------------------+-------------------+------------------------+-----------------------+
| | etcd-v3.1-go1.7.4 | zookeeper-r3.4.9-java8 | consul-v0.7.3-go1.7.4 |
+---------------------------------------+-------------------+------------------------+-----------------------+
| TOTAL-SECONDS | 37.3284 sec | 75.0700 sec | 304.4858 sec |
| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
| MAX-THROUGHPUT | 33,567 req/sec | 35,499 req/sec | 15,141 req/sec |
| AVG-THROUGHPUT | 26,789 req/sec | 13,274 req/sec | 3,284 req/sec |
| MIN-THROUGHPUT | 10,018 req/sec | 0 req/sec | 0 req/sec |
| FASTEST-LATENCY | 4.2842 ms | 2.7405 ms | 11.4297 ms |
| AVG-LATENCY | 26.0603 ms | 18.2231 ms | 152.1359 ms |
| SLOWEST-LATENCY | 520.8716 ms | 4264.2996 ms | 28029.3953 ms |
| Latency p10 | 10.171289 ms | 6.401553 ms | 30.579107 ms |
| Latency p25 | 12.254908 ms | 7.300705 ms | 35.763003 ms |
| Latency p50 | 17.138243 ms | 8.302805 ms | 48.467608 ms |
| Latency p75 | 23.925669 ms | 9.453586 ms | 80.519456 ms |
| Latency p90 | 48.690057 ms | 10.764813 ms | 248.959013 ms |
| Latency p95 | 76.533161 ms | 11.992104 ms | 349.281928 ms |
| Latency p99 | 146.318242 ms | 153.580393 ms | 1324.508306 ms |
| Latency p99.9 | 183.924901 ms | 1935.929712 ms | 10622.316021 ms |
| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.0 GB | 6.2 GB | 11 GB |
| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.8 GB | 5.1 GB | 10 GB |
| CLIENT-TOTAL-NETWORK-RX-SUM | 274 MB | 350 MB | 216 MB |
| CLIENT-TOTAL-NETWORK-TX-SUM | 1.4 GB | 1.4 GB | 1.5 GB |
| SERVER-MAX-CPU-USAGE | 407.67 % | 704.97 % | 380.00 % |
| SERVER-MAX-MEMORY-USAGE | 1.1 GB | 5.1 GB | 6.2 GB |
| CLIENT-MAX-CPU-USAGE | 454.00 % | 292.00 % | 202.00 % |
| CLIENT-MAX-MEMORY-USAGE | 210 MB | 1.7 GB | 88 MB |
| CLIENT-ERROR-COUNT | 0 | 3,452 | 0 |
| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 5 | 212 | 270 |
| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 112,190 | 109,945 | 681,774 |
| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 492,444 | 10,249,020 | 32,988,480 |
| SERVER-AVG-DISK-SPACE-USAGE | 2.8 GB | 7.3 GB | 2.9 GB |
+---------------------------------------+-------------------+------------------------+-----------------------+
zookeeper errors:
"zk: could not connect to a server" (count 3,152)
"zk: connection closed" (count 300)
Write 1M keys, 256-byte key, 1KB value, 1,000 client
- Google Cloud Compute Engine
- 4 machines of 16 vCPUs + 30 GB Memory + 150 GB SSD (1 for client)
- Ubuntu 16.10
- etcd v3.1 (Go 1.7.4)
- Zookeeper r3.4.9
- Java 8
- javac 1.8.0_121
- Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
- Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
- Consul v0.7.3 (Go 1.7.4)
+---------------------------------------+-------------------+------------------------+-----------------------+
| | etcd-v3.1-go1.7.4 | zookeeper-r3.4.9-java8 | consul-v0.7.3-go1.7.4 |
+---------------------------------------+-------------------+------------------------+-----------------------+
| TOTAL-SECONDS | 36.3917 sec | 72.1698 sec | 140.9480 sec |
| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
| MAX-THROUGHPUT | 36,861 req/sec | 39,923 req/sec | 14,455 req/sec |
| AVG-THROUGHPUT | 27,478 req/sec | 13,704 req/sec | 7,094 req/sec |
| MIN-THROUGHPUT | 7,088 req/sec | 0 req/sec | 0 req/sec |
| FASTEST-LATENCY | 3.7509 ms | 4.3350 ms | 12.9159 ms |
| AVG-LATENCY | 36.2639 ms | 49.9165 ms | 140.4538 ms |
| SLOWEST-LATENCY | 244.3595 ms | 6056.0204 ms | 21808.2916 ms |
| Latency p10 | 13.700258 ms | 14.719617 ms | 65.494475 ms |
| Latency p25 | 16.855903 ms | 20.289440 ms | 71.570399 ms |
| Latency p50 | 21.895662 ms | 24.861967 ms | 80.420560 ms |
| Latency p75 | 43.387011 ms | 28.165478 ms | 96.334874 ms |
| Latency p90 | 69.199925 ms | 32.086272 ms | 161.048409 ms |
| Latency p95 | 133.035887 ms | 58.675701 ms | 210.603403 ms |
| Latency p99 | 173.021441 ms | 880.253639 ms | 484.701759 ms |
| Latency p99.9 | 188.144407 ms | 3260.921550 ms | 15472.281038 ms |
| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.0 GB | 5.5 GB | 5.6 GB |
| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.9 GB | 4.4 GB | 4.4 GB |
| CLIENT-TOTAL-NETWORK-RX-SUM | 282 MB | 357 MB | 243 MB |
| CLIENT-TOTAL-NETWORK-TX-SUM | 1.4 GB | 1.4 GB | 1.5 GB |
| SERVER-MAX-CPU-USAGE | 443.00 % | 695.00 % | 414.00 % |
| SERVER-MAX-MEMORY-USAGE | 1.1 GB | 4.8 GB | 4.9 GB |
| CLIENT-MAX-CPU-USAGE | 566.00 % | 324.00 % | 205.00 % |
| CLIENT-MAX-MEMORY-USAGE | 278 MB | 5.3 GB | 114 MB |
| CLIENT-ERROR-COUNT | 0 | 10,929 | 0 |
| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 2 | 216 | 64 |
| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 100,985 | 91,154 | 289,238 |
| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 552,592 | 9,923,988 | 9,537,168 |
| SERVER-AVG-DISK-SPACE-USAGE | 2.7 GB | 6.7 GB | 3.1 GB |
+---------------------------------------+-------------------+------------------------+-----------------------+
zookeeper errors:
"zk: could not connect to a server" (count 8,818)
"zk: connection closed" (count 2,111)
Write 3-million keys, 256-byte key, 1KB value, Best Throughput (etcd 700, Zookeeper 300, Consul 500 clients)
- Google Cloud Compute Engine
- 4 machines of 16 vCPUs + 30 GB Memory + 150 GB SSD (1 for client)
- Ubuntu 16.10
- etcd v3.1 (Go 1.7.4)
- Zookeeper r3.4.9
- Java 8
- javac 1.8.0_121
- Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
- Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
- Consul v0.7.3 (Go 1.7.4)
+---------------------------------------+-------------------+------------------------+-----------------------+
| | etcd-v3.1-go1.7.4 | zookeeper-r3.4.9-java8 | consul-v0.7.3-go1.7.4 |
+---------------------------------------+-------------------+------------------------+-----------------------+
| TOTAL-SECONDS | 141.1728 sec | 4134.1565 sec | 2979.6229 sec |
| TOTAL-REQUEST-NUMBER | 3,000,000 | 3,000,000 | 3,000,000 |
| MAX-THROUGHPUT | 32,215 req/sec | 38,259 req/sec | 15,784 req/sec |
| AVG-THROUGHPUT | 21,250 req/sec | 465 req/sec | 1,006 req/sec |
| MIN-THROUGHPUT | 9,081 req/sec | 0 req/sec | 0 req/sec |
| FASTEST-LATENCY | 3.6479 ms | 1.8912 ms | 10.3322 ms |
| AVG-LATENCY | 32.9036 ms | 28.5018 ms | 496.5874 ms |
| SLOWEST-LATENCY | 1030.3392 ms | 4729.8104 ms | 34484.1252 ms |
| Latency p10 | 10.882650 ms | 5.694308 ms | 35.045139 ms |
| Latency p25 | 13.005974 ms | 6.357600 ms | 44.711879 ms |
| Latency p50 | 18.743999 ms | 7.379354 ms | 66.739638 ms |
| Latency p75 | 31.054943 ms | 8.886502 ms | 116.150396 ms |
| Latency p90 | 96.027241 ms | 11.474394 ms | 540.305996 ms |
| Latency p95 | 123.844111 ms | 14.391699 ms | 1209.603980 ms |
| Latency p99 | 148.837786 ms | 722.847010 ms | 11957.052613 ms |
| Latency p99.9 | 162.994644 ms | 2457.522611 ms | 26068.610794 ms |
| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 15 GB | 26 GB | 102 GB |
| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 12 GB | 24 GB | 98 GB |
| CLIENT-TOTAL-NETWORK-RX-SUM | 832 MB | 978 MB | 688 MB |
| CLIENT-TOTAL-NETWORK-TX-SUM | 4.3 GB | 3.3 GB | 4.4 GB |
| SERVER-MAX-CPU-USAGE | 421.00 % | 752.33 % | 410.67 % |
| SERVER-MAX-MEMORY-USAGE | 2.8 GB | 7.1 GB | 17 GB |
| CLIENT-MAX-CPU-USAGE | 442.00 % | 376.00 % | 217.00 % |
| CLIENT-MAX-MEMORY-USAGE | 265 MB | 1.9 GB | 174 MB |
| CLIENT-ERROR-COUNT | 0 | 1,076,632 | 0 |
| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 14 | 309 | 94,864 |
| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 333,196 | 360,314 | 3,689,221 |
| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 1,604,172 | 67,295,610 | 794,919,246 |
| SERVER-AVG-DISK-SPACE-USAGE | 6.5 GB | 27 GB | 8.2 GB |
+---------------------------------------+-------------------+------------------------+-----------------------+
zookeeper errors:
"zk: connection closed" (count 6,678)
"zk: could not connect to a server" (count 1,069,954)