diff --git a/README.md b/README.md
index b3645757..b52d3357 100644
--- a/README.md
+++ b/README.md
@@ -93,124 +93,140 @@ Logs do not tell much but average latency spikes (e.g. from 70.27517 ms to 10407
+
##### 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 + 300 GB SSD (1 for client)
-- Ubuntu 16.10
-- etcd v3.1 (Go 1.7.5)
-- Zookeeper r3.4.9
+- 4 machines of 16 vCPUs + 60 GB Memory + 300 GB SSD (1 for client)
+- Ubuntu 16.10 (GNU/Linux kernel 4.8.0-42-generic)
+- `ulimit -n` is 120000
+- etcd tip (Go 1.8.0, git SHA d78b03fb27374c370d82973a94dda9f59647e750)
+- Zookeeper r3.5.2-alpha
- 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 v0.7.4 (Go 1.7.5)
+ - `/usr/bin/java -Djute.maxbuffer=33554432 -Xms50G -Xmx50G`
+- Consul v0.7.5 (Go 1.8.0)
```
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| | etcd-v3.1-go1.7.5 | zookeeper-r3.4.9-java8 | consul-v0.7.4-go1.7.5 |
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| TOTAL-SECONDS | 342.2984 sec | 320.9968 sec | 888.9235 sec |
-| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
-| MAX-THROUGHPUT | 34,747 req/sec | 43,558 req/sec | 16,486 req/sec |
-| AVG-THROUGHPUT | 2,921 req/sec | 3,115 req/sec | 1,124 req/sec |
-| MIN-THROUGHPUT | 29 req/sec | 0 req/sec | 0 req/sec |
-| FASTEST-LATENCY | 1.1239 ms | 1.1194 ms | 3.1083 ms |
-| AVG-LATENCY | 13.9400 ms | 36.2980 ms | 152.1034 ms |
-| SLOWEST-LATENCY | 115.2305 ms | 2626.1766 ms | 20615.4531 ms |
-| Latency p10 | 2.309089 ms | 2.512687 ms | 3.992750 ms |
-| Latency p25 | 5.936953 ms | 3.853528 ms | 8.522133 ms |
-| Latency p50 | 10.201295 ms | 6.619094 ms | 36.083945 ms |
-| Latency p75 | 16.895621 ms | 13.507464 ms | 107.288320 ms |
-| Latency p90 | 28.576840 ms | 20.348043 ms | 313.922534 ms |
-| Latency p95 | 44.602367 ms | 28.054291 ms | 478.639678 ms |
-| Latency p99 | 60.177421 ms | 1108.928408 ms | 623.624914 ms |
-| Latency p99.9 | 92.142990 ms | 2619.595630 ms | 14534.009968 ms |
-| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.0 GB | 5.4 GB | 6.7 GB |
-| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.9 GB | 4.3 GB | 5.4 GB |
-| CLIENT-TOTAL-NETWORK-RX-SUM | 270 MB | 356 MB | 210 MB |
-| CLIENT-TOTAL-NETWORK-TX-SUM | 1.5 GB | 1.4 GB | 1.5 GB |
-| SERVER-MAX-CPU-USAGE | 431.33 % | 601.67 % | 466.00 % |
-| SERVER-MAX-MEMORY-USAGE | 1.3 GB | 3.9 GB | 5.0 GB |
-| CLIENT-MAX-CPU-USAGE | 559.00 % | 685.00 % | 231.00 % |
-| CLIENT-MAX-MEMORY-USAGE | 327 MB | 4.4 GB | 201 MB |
-| CLIENT-ERROR-COUNT | 0 | 13 | 0 |
-| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 72 | 389 | 255 |
-| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
-| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 1,525,739 | 1,199,135 | 4,434,402 |
-| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 32,134,464 | 40,860,544 | 183,627,904 |
-| SERVER-AVG-DISK-SPACE-USAGE | 3.1 GB | 7.6 GB | 2.8 GB |
-+---------------------------------------+-------------------+------------------------+-----------------------+
++---------------------------------------+------------------+------------------------------+-----------------------+
+| | etcd-tip-go1.8.0 | zookeeper-r3.5.2-alpha-java8 | consul-v0.7.5-go1.8.0 |
++---------------------------------------+------------------+------------------------------+-----------------------+
+| TOTAL-SECONDS | 377.2927 sec | 327.6324 sec | 698.7478 sec |
+| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
+| MAX-THROUGHPUT | 37,106 req/sec | 25,009 req/sec | 16,003 req/sec |
+| AVG-THROUGHPUT | 2,650 req/sec | 3,048 req/sec | 1,431 req/sec |
+| MIN-THROUGHPUT | 201 req/sec | 0 req/sec | 0 req/sec |
+| FASTEST-LATENCY | 1.1514 ms | 1.0570 ms | 3.1691 ms |
+| AVG-LATENCY | 13.9042 ms | 22.0313 ms | 47.5751 ms |
+| SLOWEST-LATENCY | 112.1736 ms | 2662.2537 ms | 3416.4836 ms |
+| Latency p10 | 2.590518 ms | 2.554608 ms | 4.120475 ms |
+| Latency p25 | 6.222186 ms | 3.882311 ms | 7.906411 ms |
+| Latency p50 | 10.331986 ms | 6.389982 ms | 19.743291 ms |
+| Latency p75 | 16.628607 ms | 22.490612 ms | 61.329955 ms |
+| Latency p90 | 28.355336 ms | 34.082148 ms | 89.313236 ms |
+| Latency p95 | 43.345061 ms | 51.386743 ms | 122.111399 ms |
+| Latency p99 | 60.595924 ms | 224.327398 ms | 309.823246 ms |
+| Latency p99.9 | 95.336990 ms | 1549.797635 ms | 2714.083344 ms |
+| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.1 GB | 5.4 GB | 5.6 GB |
+| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.9 GB | 4.3 GB | 4.3 GB |
+| CLIENT-TOTAL-NETWORK-RX-SUM | 270 MB | 356 MB | 202 MB |
+| CLIENT-TOTAL-NETWORK-TX-SUM | 1.5 GB | 1.4 GB | 1.5 GB |
+| SERVER-MAX-CPU-USAGE | 425.80 % | 257.00 % | 424.53 % |
+| SERVER-MAX-MEMORY-USAGE | 1.4 GB | 16 GB | 4.9 GB |
+| CLIENT-MAX-CPU-USAGE | 462.00 % | 354.50 % | 425.70 % |
+| CLIENT-MAX-MEMORY-USAGE | 308 MB | 4.8 GB | 201 MB |
+| CLIENT-ERROR-COUNT | 0 | 1,194 | 0 |
+| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 30 | 207 | 31 |
+| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
+| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 1,525,546 | 1,234,154 | 3,352,596 |
+| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 32,521,080 | 35,044,520 | 106,551,704 |
+| SERVER-AVG-DISK-SPACE-USAGE | 2.4 GB | 0 B | 2.9 GB |
++---------------------------------------+------------------+------------------------------+-----------------------+
-zookeeper errors:
-"zk: could not connect to a server" (count 13)
+zookeeper__r3_5_2_alpha errors:
+"zk: could not connect to a server" (count 195)
+"zk: connection closed" (count 999)
```
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
+
+
+
+
+
+
+
+
+
+
+
@@ -220,245 +236,134 @@ zookeeper errors:
##### Write 1M keys, 256-byte key, 1KB value, Best Throughput (etcd 1,000, Zookeeper 500, Consul 500 clients)
- Google Cloud Compute Engine
-- 4 machines of 16 vCPUs + 30 GB Memory + 300 GB SSD (1 for client)
-- Ubuntu 16.10
-- etcd v3.1 (Go 1.7.5)
-- Zookeeper r3.4.9
+- 4 machines of 16 vCPUs + 60 GB Memory + 300 GB SSD (1 for client)
+- Ubuntu 16.10 (GNU/Linux kernel 4.8.0-42-generic)
+- `ulimit -n` is 120000
+- etcd tip (Go 1.8.0, git SHA d78b03fb27374c370d82973a94dda9f59647e750)
+- Zookeeper r3.5.2-alpha
- 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 v0.7.4 (Go 1.7.5)
+ - `/usr/bin/java -Djute.maxbuffer=33554432 -Xms50G -Xmx50G`
+- Consul v0.7.5 (Go 1.8.0)
```
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| | etcd-v3.1-go1.7.5 | zookeeper-r3.4.9-java8 | consul-v0.7.4-go1.7.5 |
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| TOTAL-SECONDS | 36.5583 sec | 63.6203 sec | 261.0246 sec |
-| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
-| MAX-THROUGHPUT | 35,187 req/sec | 44,883 req/sec | 15,009 req/sec |
-| AVG-THROUGHPUT | 27,353 req/sec | 15,684 req/sec | 3,831 req/sec |
-| MIN-THROUGHPUT | 13,891 req/sec | 0 req/sec | 0 req/sec |
-| FASTEST-LATENCY | 4.7388 ms | 2.4777 ms | 14.0583 ms |
-| AVG-LATENCY | 36.3305 ms | 22.5664 ms | 130.4658 ms |
-| SLOWEST-LATENCY | 346.3847 ms | 3517.8313 ms | 19316.7564 ms |
-| Latency p10 | 15.483941 ms | 7.766447 ms | 32.229589 ms |
-| Latency p25 | 18.596901 ms | 9.156112 ms | 37.179339 ms |
-| Latency p50 | 23.920164 ms | 10.532408 ms | 47.314383 ms |
-| Latency p75 | 44.685986 ms | 12.228320 ms | 70.740623 ms |
-| Latency p90 | 64.373404 ms | 14.214414 ms | 104.953131 ms |
-| Latency p95 | 113.441501 ms | 16.216272 ms | 282.116427 ms |
-| Latency p99 | 167.148590 ms | 340.373624 ms | 1092.781013 ms |
-| Latency p99.9 | 194.350987 ms | 2151.870409 ms | 11587.696623 ms |
-| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.0 GB | 5.4 GB | 10 GB |
-| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.8 GB | 4.3 GB | 9.1 GB |
-| CLIENT-TOTAL-NETWORK-RX-SUM | 282 MB | 352 MB | 218 MB |
-| CLIENT-TOTAL-NETWORK-TX-SUM | 1.4 GB | 1.4 GB | 1.5 GB |
-| SERVER-MAX-CPU-USAGE | 446.67 % | 731.27 % | 379.33 % |
-| SERVER-MAX-MEMORY-USAGE | 1.2 GB | 4.6 GB | 5.8 GB |
-| CLIENT-MAX-CPU-USAGE | 568.00 % | 404.00 % | 223.00 % |
-| CLIENT-MAX-MEMORY-USAGE | 248 MB | 3.1 GB | 81 MB |
-| CLIENT-ERROR-COUNT | 0 | 2,150 | 0 |
-| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 2 | 213 | 147 |
-| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
-| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 102,486 | 86,871 | 641,255 |
-| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 20,504,912 | 26,252,736 | 110,850,712 |
-| SERVER-AVG-DISK-SPACE-USAGE | 2.7 GB | 6.9 GB | 3.0 GB |
-+---------------------------------------+-------------------+------------------------+-----------------------+
++---------------------------------------+------------------+------------------------------+-----------------------+
+| | etcd-tip-go1.8.0 | zookeeper-r3.5.2-alpha-java8 | consul-v0.7.5-go1.8.0 |
++---------------------------------------+------------------+------------------------------+-----------------------+
+| TOTAL-SECONDS | 27.9354 sec | 51.7589 sec | 482.4360 sec |
+| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
+| MAX-THROUGHPUT | 38,791 req/sec | 24,142 req/sec | 15,858 req/sec |
+| AVG-THROUGHPUT | 35,796 req/sec | 19,319 req/sec | 2,072 req/sec |
+| MIN-THROUGHPUT | 12,028 req/sec | 47 req/sec | 0 req/sec |
+| FASTEST-LATENCY | 4.0583 ms | 3.6546 ms | 13.9067 ms |
+| AVG-LATENCY | 27.7560 ms | 25.2746 ms | 241.1081 ms |
+| SLOWEST-LATENCY | 1084.3727 ms | 1690.0324 ms | 2829.0558 ms |
+| Latency p10 | 12.653617 ms | 7.775213 ms | 32.308527 ms |
+| Latency p25 | 15.548106 ms | 8.989187 ms | 45.157053 ms |
+| Latency p50 | 21.642950 ms | 11.920882 ms | 306.531596 ms |
+| Latency p75 | 34.058936 ms | 18.416282 ms | 383.361003 ms |
+| Latency p90 | 54.289308 ms | 30.998200 ms | 399.483213 ms |
+| Latency p95 | 59.761141 ms | 42.943748 ms | 407.839444 ms |
+| Latency p99 | 76.450636 ms | 340.584561 ms | 426.220478 ms |
+| Latency p99.9 | 94.377491 ms | 1198.611571 ms | 1792.641180 ms |
+| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.0 GB | 4.9 GB | 5.7 GB |
+| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.8 GB | 3.9 GB | 4.4 GB |
+| CLIENT-TOTAL-NETWORK-RX-SUM | 279 MB | 353 MB | 228 MB |
+| CLIENT-TOTAL-NETWORK-TX-SUM | 1.4 GB | 1.4 GB | 1.5 GB |
+| SERVER-MAX-CPU-USAGE | 448.33 % | 580.70 % | 406.00 % |
+| SERVER-MAX-MEMORY-USAGE | 1.1 GB | 16 GB | 4.7 GB |
+| CLIENT-MAX-CPU-USAGE | 464.40 % | 220.00 % | 255.00 % |
+| CLIENT-MAX-MEMORY-USAGE | 244 MB | 2.5 GB | 90 MB |
+| CLIENT-ERROR-COUNT | 0 | 20 | 0 |
+| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 11 | 212 | 16 |
+| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
+| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 100,970 | 151,117 | 3,254,568 |
+| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 20,736,456 | 16,501,248 | 285,723,776 |
+| SERVER-AVG-DISK-SPACE-USAGE | 2.6 GB | 0 B | 2.8 GB |
++---------------------------------------+------------------+------------------------------+-----------------------+
-zookeeper errors:
-"zk: could not connect to a server" (count 765)
-"zk: connection closed" (count 1,385)
+zookeeper__r3_5_2_alpha errors:
+"zk: could not connect to a server" (count 20)
```
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
-
-##### Write 1M keys, 256-byte key, 1KB value, 1,000 client
-- Google Cloud Compute Engine
-- 4 machines of 16 vCPUs + 30 GB Memory + 300 GB SSD (1 for client)
-- Ubuntu 16.10
-- etcd v3.1 (Go 1.7.5)
-- 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 v0.7.4 (Go 1.7.5)
+
-```
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| | etcd-v3.1-go1.7.5 | zookeeper-r3.4.9-java8 | consul-v0.7.4-go1.7.5 |
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| TOTAL-SECONDS | 36.5091 sec | 59.0429 sec | 116.4349 sec |
-| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
-| MAX-THROUGHPUT | 35,162 req/sec | 50,196 req/sec | 14,615 req/sec |
-| AVG-THROUGHPUT | 27,390 req/sec | 16,854 req/sec | 8,588 req/sec |
-| MIN-THROUGHPUT | 14,654 req/sec | 0 req/sec | 0 req/sec |
-| FASTEST-LATENCY | 4.9384 ms | 1.4337 ms | 15.3309 ms |
-| AVG-LATENCY | 36.3098 ms | 44.2298 ms | 115.8624 ms |
-| SLOWEST-LATENCY | 353.6275 ms | 7585.4064 ms | 12902.7031 ms |
-| Latency p10 | 14.627933 ms | 12.299326 ms | 67.088002 ms |
-| Latency p25 | 17.957404 ms | 15.830300 ms | 73.441500 ms |
-| Latency p50 | 23.290321 ms | 18.660221 ms | 82.581044 ms |
-| Latency p75 | 43.118899 ms | 21.623243 ms | 96.395872 ms |
-| Latency p90 | 64.488242 ms | 26.143493 ms | 166.706106 ms |
-| Latency p95 | 126.257124 ms | 77.780210 ms | 218.288165 ms |
-| Latency p99 | 173.468949 ms | 843.928907 ms | 323.392356 ms |
-| Latency p99.9 | 194.822900 ms | 2909.696060 ms | 7179.211229 ms |
-| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.0 GB | 5.3 GB | 5.6 GB |
-| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 3.8 GB | 4.3 GB | 4.4 GB |
-| CLIENT-TOTAL-NETWORK-RX-SUM | 282 MB | 371 MB | 243 MB |
-| CLIENT-TOTAL-NETWORK-TX-SUM | 1.4 GB | 1.5 GB | 1.5 GB |
-| SERVER-MAX-CPU-USAGE | 433.67 % | 634.40 % | 478.67 % |
-| SERVER-MAX-MEMORY-USAGE | 1.1 GB | 4.9 GB | 5.1 GB |
-| CLIENT-MAX-CPU-USAGE | 582.00 % | 422.00 % | 219.00 % |
-| CLIENT-MAX-MEMORY-USAGE | 266 MB | 4.9 GB | 115 MB |
-| CLIENT-ERROR-COUNT | 0 | 4,886 | 0 |
-| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 70 | 217 | 46 |
-| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
-| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 102,259 | 80,718 | 377,108 |
-| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 20,520,584 | 27,706,344 | 48,882,704 |
-| SERVER-AVG-DISK-SPACE-USAGE | 2.7 GB | 5.9 GB | 3.1 GB |
-+---------------------------------------+-------------------+------------------------+-----------------------+
-
-zookeeper errors:
-"zk: connection closed" (count 2,381)
-"zk: could not connect to a server" (count 2,505)
-```
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
@@ -468,121 +373,270 @@ zookeeper errors:
##### Write 3-million keys, 256-byte key, 1KB value, Best Throughput (etcd 1,000, Zookeeper 500, Consul 500 clients)
- Google Cloud Compute Engine
-- 4 machines of 16 vCPUs + 30 GB Memory + 300 GB SSD (1 for client)
-- Ubuntu 16.10
-- etcd v3.1 (Go 1.7.5)
-- Zookeeper r3.4.9
+- 4 machines of 16 vCPUs + 60 GB Memory + 300 GB SSD (1 for client)
+- Ubuntu 16.10 (GNU/Linux kernel 4.8.0-42-generic)
+- `ulimit -n` is 120000
+- etcd tip (Go 1.8.0, git SHA d78b03fb27374c370d82973a94dda9f59647e750)
+- Zookeeper r3.5.2-alpha
- 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 v0.7.4 (Go 1.7.5)
+ - `/usr/bin/java -Djute.maxbuffer=33554432 -Xms50G -Xmx50G`
+- Consul v0.7.5 (Go 1.8.0)
```
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| | etcd-v3.1-go1.7.5 | zookeeper-r3.4.9-java8 | consul-v0.7.4-go1.7.5 |
-+---------------------------------------+-------------------+------------------------+-----------------------+
-| TOTAL-SECONDS | 138.0049 sec | 2242.5513 sec | 2361.4227 sec |
-| TOTAL-REQUEST-NUMBER | 3,000,000 | 3,000,000 | 3,000,000 |
-| MAX-THROUGHPUT | 33,963 req/sec | 42,804 req/sec | 16,033 req/sec |
-| AVG-THROUGHPUT | 21,738 req/sec | 906 req/sec | 1,270 req/sec |
-| MIN-THROUGHPUT | 7,006 req/sec | 0 req/sec | 0 req/sec |
-| FASTEST-LATENCY | 3.2812 ms | 1.2984 ms | 16.9263 ms |
-| AVG-LATENCY | 45.9259 ms | 42.7162 ms | 393.5551 ms |
-| SLOWEST-LATENCY | 259.3153 ms | 6921.5532 ms | 30425.8070 ms |
-| Latency p10 | 15.658060 ms | 8.200137 ms | 34.534783 ms |
-| Latency p25 | 18.852826 ms | 9.417761 ms | 42.917753 ms |
-| Latency p50 | 23.711419 ms | 10.902322 ms | 64.087200 ms |
-| Latency p75 | 53.911600 ms | 12.742504 ms | 91.427820 ms |
-| Latency p90 | 130.485283 ms | 15.178863 ms | 167.938406 ms |
-| Latency p95 | 151.376530 ms | 38.140465 ms | 951.339409 ms |
-| Latency p99 | 171.722975 ms | 1540.586327 ms | 10968.875166 ms |
-| Latency p99.9 | 188.102916 ms | 2276.156658 ms | 18546.023298 ms |
-| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 15 GB | 12 GB | 89 GB |
-| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 12 GB | 10 GB | 85 GB |
-| CLIENT-TOTAL-NETWORK-RX-SUM | 852 MB | 997 MB | 685 MB |
-| CLIENT-TOTAL-NETWORK-TX-SUM | 4.3 GB | 3.4 GB | 4.4 GB |
-| SERVER-MAX-CPU-USAGE | 442.00 % | 785.67 % | 439.33 % |
-| SERVER-MAX-MEMORY-USAGE | 2.8 GB | 7.4 GB | 15 GB |
-| CLIENT-MAX-CPU-USAGE | 554.00 % | 368.00 % | 222.00 % |
-| CLIENT-MAX-MEMORY-USAGE | 348 MB | 3.1 GB | 157 MB |
-| CLIENT-ERROR-COUNT | 0 | 967,222 | 0 |
-| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 168 | 443 | 23,290 |
-| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
-| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 303,974 | 231,817 | 2,976,074 |
-| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 62,193,472 | 84,808,712 | 990,569,940 |
-| SERVER-AVG-DISK-SPACE-USAGE | 6.5 GB | 21 GB | 8.3 GB |
-+---------------------------------------+-------------------+------------------------+-----------------------+
++---------------------------------------+------------------+------------------------------+-----------------------+
+| | etcd-tip-go1.8.0 | zookeeper-r3.5.2-alpha-java8 | consul-v0.7.5-go1.8.0 |
++---------------------------------------+------------------+------------------------------+-----------------------+
+| TOTAL-SECONDS | 84.2543 sec | 305.1659 sec | 1206.0352 sec |
+| TOTAL-REQUEST-NUMBER | 3,000,000 | 3,000,000 | 3,000,000 |
+| MAX-THROUGHPUT | 39,973 req/sec | 23,847 req/sec | 15,016 req/sec |
+| AVG-THROUGHPUT | 35,606 req/sec | 9,723 req/sec | 2,487 req/sec |
+| MIN-THROUGHPUT | 8,413 req/sec | 0 req/sec | 0 req/sec |
+| FASTEST-LATENCY | 3.6522 ms | 1.7530 ms | 9.3109 ms |
+| AVG-LATENCY | 28.0355 ms | 35.8848 ms | 200.9806 ms |
+| SLOWEST-LATENCY | 1045.7943 ms | 4200.7088 ms | 24326.9072 ms |
+| Latency p10 | 12.163786 ms | 7.437302 ms | 33.257408 ms |
+| Latency p25 | 14.799691 ms | 8.277894 ms | 37.723426 ms |
+| Latency p50 | 21.589291 ms | 10.689390 ms | 44.522580 ms |
+| Latency p75 | 34.128977 ms | 15.809325 ms | 57.370064 ms |
+| Latency p90 | 55.153568 ms | 30.973644 ms | 153.991054 ms |
+| Latency p95 | 62.265352 ms | 68.815970 ms | 459.915452 ms |
+| Latency p99 | 95.655432 ms | 656.062715 ms | 4503.134832 ms |
+| Latency p99.9 | 151.005460 ms | 2498.386467 ms | 12409.886568 ms |
+| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 15 GB | 14 GB | 100 GB |
+| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 11 GB | 11 GB | 97 GB |
+| CLIENT-TOTAL-NETWORK-RX-SUM | 834 MB | 1.1 GB | 647 MB |
+| CLIENT-TOTAL-NETWORK-TX-SUM | 4.3 GB | 4.2 GB | 4.4 GB |
+| SERVER-MAX-CPU-USAGE | 489.00 % | 495.67 % | 462.00 % |
+| SERVER-MAX-MEMORY-USAGE | 2.8 GB | 26 GB | 19 GB |
+| CLIENT-MAX-CPU-USAGE | 490.00 % | 252.00 % | 225.00 % |
+| CLIENT-MAX-MEMORY-USAGE | 301 MB | 3.3 GB | 156 MB |
+| CLIENT-ERROR-COUNT | 0 | 32,647 | 0 |
+| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 147 | 792 | 2,141 |
+| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
+| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 301,127 | 672,380 | 2,944,882 |
+| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 61,959,344 | 196,435,376 | 958,732,432 |
+| SERVER-AVG-DISK-SPACE-USAGE | 6.6 GB | 0 B | 8.5 GB |
++---------------------------------------+------------------+------------------------------+-----------------------+
-zookeeper errors:
-"zk: could not connect to a server" (count 963,503)
-"zk: connection closed" (count 3,719)
+zookeeper__r3_5_2_alpha errors:
+"zk: could not connect to a server" (count 27,419)
+"zk: connection closed" (count 5,228)
```
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+##### Write 1M keys, 256-byte key, 1KB value, 100 clients, 1000 QPS Limit
+
+- Google Cloud Compute Engine
+- 4 machines of 16 vCPUs + 60 GB Memory + 300 GB SSD (1 for client)
+- Ubuntu 16.10 (GNU/Linux kernel 4.8.0-42-generic)
+- `ulimit -n` is 120000
+- etcd tip (Go 1.8.0, git SHA d78b03fb27374c370d82973a94dda9f59647e750)
+- Zookeeper r3.5.2-alpha
+ - 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)
+ - `/usr/bin/java -Djute.maxbuffer=33554432 -Xms50G -Xmx50G`
+- Consul v0.7.5 (Go 1.8.0)
+
+
+```
++---------------------------------------+------------------+------------------------------+-----------------------+
+| | etcd-tip-go1.8.0 | zookeeper-r3.5.2-alpha-java8 | consul-v0.7.5-go1.8.0 |
++---------------------------------------+------------------+------------------------------+-----------------------+
+| TOTAL-SECONDS | 999.0088 sec | 1002.8312 sec | 1010.3055 sec |
+| TOTAL-REQUEST-NUMBER | 1,000,000 | 1,000,000 | 1,000,000 |
+| MAX-THROUGHPUT | 1,181 req/sec | 1,975 req/sec | 2,064 req/sec |
+| AVG-THROUGHPUT | 1,000 req/sec | 997 req/sec | 989 req/sec |
+| MIN-THROUGHPUT | 819 req/sec | 0 req/sec | 100 req/sec |
+| FASTEST-LATENCY | 1.1741 ms | 1.0934 ms | 3.7535 ms |
+| AVG-LATENCY | 4.6191 ms | 3.2957 ms | 63.9923 ms |
+| SLOWEST-LATENCY | 213.1974 ms | 2801.7577 ms | 1837.6108 ms |
+| Latency p10 | 2.690404 ms | 1.722341 ms | 8.356415 ms |
+| Latency p25 | 3.402413 ms | 1.947233 ms | 19.390184 ms |
+| Latency p50 | 4.436716 ms | 2.237011 ms | 71.852670 ms |
+| Latency p75 | 5.603319 ms | 2.531433 ms | 94.524931 ms |
+| Latency p90 | 6.684710 ms | 2.764637 ms | 105.113648 ms |
+| Latency p95 | 7.463689 ms | 2.944441 ms | 112.451436 ms |
+| Latency p99 | 9.220852 ms | 4.915394 ms | 143.747948 ms |
+| Latency p99.9 | 15.102828 ms | 299.410120 ms | 864.272976 ms |
+| SERVER-TOTAL-NETWORK-RX-DATA-SUM | 5.7 GB | 5.8 GB | 5.9 GB |
+| SERVER-TOTAL-NETWORK-TX-DATA-SUM | 4.5 GB | 4.6 GB | 4.7 GB |
+| CLIENT-TOTAL-NETWORK-RX-SUM | 264 MB | 354 MB | 221 MB |
+| CLIENT-TOTAL-NETWORK-TX-SUM | 1.5 GB | 1.5 GB | 1.5 GB |
+| SERVER-MAX-CPU-USAGE | 92.17 % | 191.33 % | 278.60 % |
+| SERVER-MAX-MEMORY-USAGE | 1.6 GB | 17 GB | 4.3 GB |
+| CLIENT-MAX-CPU-USAGE | 51.00 % | 59.40 % | 53.00 % |
+| CLIENT-MAX-MEMORY-USAGE | 92 MB | 662 MB | 73 MB |
+| CLIENT-ERROR-COUNT | 0 | 4 | 0 |
+| SERVER-AVG-READS-COMPLETED-DELTA-SUM | 183 | 312 | 339 |
+| SERVER-AVG-SECTORS-READS-DELTA-SUM | 0 | 0 | 0 |
+| SERVER-AVG-WRITES-COMPLETED-DELTA-SUM | 5,703,724 | 6,488,292 | 10,385,551 |
+| SERVER-AVG-SECTORS-WRITTEN-DELTA-SUM | 64,969,512 | 123,190,708 | 266,572,140 |
+| SERVER-AVG-DISK-SPACE-USAGE | 2.5 GB | 0 B | 2.8 GB |
++---------------------------------------+------------------+------------------------------+-----------------------+
+
+
+zookeeper__r3_5_2_alpha errors:
+"zk: connection closed" (count 4)
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+