9.1 Kvstore

需求

ntyco需要作为kvstore的submodule,通过git clone一次下载。完成。
README需要包含编译步骤，测试方案与可行性，性能数据。完成。
全量持久化保存数据集。 BUG FIX。
持久化的性能数据。
特殊字符，可以解决redis的resp协议。完成。
实现配置文件，把日志级别，端口ip，主从模式，持久化方案。完成。
持久化落盘用io_uring，加载配置文件用mmap。完成。
主从同步的性能，开启与关闭性能做到5%?。
主从同步600w条,出现的coredump。完成。
主从同步用ebpf实现。 BUG FIX。
内存池测试qps与虚拟内存，物理内存。
实现一个内存泄露检测组件。完成。

环境安装与编译

# xml
sudo apt install libxml2 libxml2-dev
# hiredis client
sudo apt install -y libhiredis-dev
# bpftrace
sudo apt install -y bpftrace

git clone git@gitlab.0voice.com:lianyiheng/9.1-kvstore.git
cd 9.1-kvstore/
git submodule update --init --recursive
./init.sh
make

测试

测试1：性能测试

测试条件：

不启用持久化。
不启用主从同步。
pipline：
1. RSET 100w 条， p:i v:i -> +OK
2. RGET 100w 条， p:i -> +v:i
3. RDEL 100w 条。 p:i -> +OK
重复 15 次.
本机发送请求。

内存分配: malloc

lian@ubuntu:~/share/9.1-kvstore$ ./test-redis/testcase 192.168.10.129 8888 3
Connected to 192.168.10.129:8888
BATCH (N=3000000) --> time_used=3294 ms, qps=910746
BATCH (N=3000000) --> time_used=3501 ms, qps=856898
BATCH (N=3000000) --> time_used=3457 ms, qps=867804
BATCH (N=3000000) --> time_used=3351 ms, qps=895255
BATCH (N=3000000) --> time_used=3320 ms, qps=903614
BATCH (N=3000000) --> time_used=3551 ms, qps=844832
BATCH (N=3000000) --> time_used=3354 ms, qps=894454
BATCH (N=3000000) --> time_used=3475 ms, qps=863309
BATCH (N=3000000) --> time_used=3404 ms, qps=881316
BATCH (N=3000000) --> time_used=3460 ms, qps=867052
BATCH (N=3000000) --> time_used=3392 ms, qps=884433
BATCH (N=3000000) --> time_used=3427 ms, qps=875401
BATCH (N=3000000) --> time_used=3441 ms, qps=871839
BATCH (N=3000000) --> time_used=3471 ms, qps=864304
BATCH (N=3000000) --> time_used=3354 ms, qps=894454
BATCH (N=3000000) --> time_used=3447 ms, qps=870322
BATCH (N=3000000) --> time_used=3364 ms, qps=891795
BATCH (N=3000000) --> time_used=3200 ms, qps=937500
BATCH (N=3000000) --> time_used=3159 ms, qps=949667
BATCH (N=3000000) --> time_used=3482 ms, qps=861573
BATCH (N=3000000) --> time_used=3474 ms, qps=863557
BATCH (N=3000000) --> time_used=3591 ms, qps=835421
BATCH (N=3000000) --> time_used=3466 ms, qps=865551
BATCH (N=3000000) --> time_used=3425 ms, qps=875912
BATCH (N=3000000) --> time_used=3346 ms, qps=896592
BATCH (N=3000000) --> time_used=3532 ms, qps=849377
BATCH (N=3000000) --> time_used=3471 ms, qps=864304
BATCH (N=3000000) --> time_used=3616 ms, qps=829646
BATCH (N=3000000) --> time_used=3403 ms, qps=881575
BATCH (N=3000000) --> time_used=3426 ms, qps=875656
BATCH (N=3000000) --> time_used=3493 ms, qps=858860
BATCH (N=3000000) --> time_used=3411 ms, qps=879507
BATCH (N=3000000) --> time_used=3422 ms, qps=876680
BATCH (N=3000000) --> time_used=3556 ms, qps=843644
BATCH (N=3000000) --> time_used=3285 ms, qps=913242
BATCH (N=3000000) --> time_used=3486 ms, qps=860585
BATCH (N=3000000) --> time_used=3427 ms, qps=875401
BATCH (N=3000000) --> time_used=3563 ms, qps=841987
BATCH (N=3000000) --> time_used=3304 ms, qps=907990
BATCH (N=3000000) --> time_used=3582 ms, qps=837520
BATCH (N=3000000) --> time_used=3468 ms, qps=865051
BATCH (N=3000000) --> time_used=3360 ms, qps=892857
BATCH (N=3000000) --> time_used=3426 ms, qps=875656
BATCH (N=3000000) --> time_used=3186 ms, qps=941619
BATCH (N=3000000) --> time_used=3251 ms, qps=922792
BATCH (N=3000000) --> time_used=3400 ms, qps=882352
BATCH (N=3000000) --> time_used=3446 ms, qps=870574
BATCH (N=3000000) --> time_used=3302 ms, qps=908540
BATCH (N=3000000) --> time_used=3072 ms, qps=976562
BATCH (N=3000000) --> time_used=3458 ms, qps=867553
average qps:880462
ALL TESTS PASSED.

内存分配: 自实现内存池

lian@ubuntu:~/share/9.1-kvstore$ ./test-redis/testcase 192.168.10.129 8888 3
Connected to 192.168.10.129:8888
BATCH (N=3000000) --> time_used=3552 ms, qps=844594
BATCH (N=3000000) --> time_used=3404 ms, qps=881316
BATCH (N=3000000) --> time_used=3083 ms, qps=973078
BATCH (N=3000000) --> time_used=3315 ms, qps=904977
BATCH (N=3000000) --> time_used=3462 ms, qps=866551
BATCH (N=3000000) --> time_used=3334 ms, qps=899820
BATCH (N=3000000) --> time_used=3358 ms, qps=893388
BATCH (N=3000000) --> time_used=3423 ms, qps=876424
BATCH (N=3000000) --> time_used=3319 ms, qps=903886
BATCH (N=3000000) --> time_used=3327 ms, qps=901713
BATCH (N=3000000) --> time_used=3157 ms, qps=950269
BATCH (N=3000000) --> time_used=3241 ms, qps=925640
BATCH (N=3000000) --> time_used=3301 ms, qps=908815
BATCH (N=3000000) --> time_used=3345 ms, qps=896860
BATCH (N=3000000) --> time_used=3319 ms, qps=903886
BATCH (N=3000000) --> time_used=3312 ms, qps=905797
BATCH (N=3000000) --> time_used=3337 ms, qps=899011
BATCH (N=3000000) --> time_used=3309 ms, qps=906618
BATCH (N=3000000) --> time_used=3385 ms, qps=886262
BATCH (N=3000000) --> time_used=3328 ms, qps=901442
BATCH (N=3000000) --> time_used=3194 ms, qps=939261
BATCH (N=3000000) --> time_used=3309 ms, qps=906618
BATCH (N=3000000) --> time_used=3262 ms, qps=919681
BATCH (N=3000000) --> time_used=3314 ms, qps=905250
BATCH (N=3000000) --> time_used=3382 ms, qps=887049
BATCH (N=3000000) --> time_used=3296 ms, qps=910194
BATCH (N=3000000) --> time_used=3331 ms, qps=900630
BATCH (N=3000000) --> time_used=3279 ms, qps=914913
BATCH (N=3000000) --> time_used=2996 ms, qps=1001335
BATCH (N=3000000) --> time_used=3387 ms, qps=885739
BATCH (N=3000000) --> time_used=3346 ms, qps=896592
BATCH (N=3000000) --> time_used=3241 ms, qps=925640
BATCH (N=3000000) --> time_used=3353 ms, qps=894721
BATCH (N=3000000) --> time_used=3366 ms, qps=891265
BATCH (N=3000000) --> time_used=3387 ms, qps=885739
BATCH (N=3000000) --> time_used=3382 ms, qps=887049
BATCH (N=3000000) --> time_used=3358 ms, qps=893388
BATCH (N=3000000) --> time_used=3372 ms, qps=889679
BATCH (N=3000000) --> time_used=3467 ms, qps=865301
BATCH (N=3000000) --> time_used=3243 ms, qps=925069
BATCH (N=3000000) --> time_used=3191 ms, qps=940144
BATCH (N=3000000) --> time_used=3365 ms, qps=891530
BATCH (N=3000000) --> time_used=3218 ms, qps=932256
BATCH (N=3000000) --> time_used=3332 ms, qps=900360
BATCH (N=3000000) --> time_used=3172 ms, qps=945775
BATCH (N=3000000) --> time_used=3211 ms, qps=934288
BATCH (N=3000000) --> time_used=3124 ms, qps=960307
BATCH (N=3000000) --> time_used=3043 ms, qps=985869
BATCH (N=3000000) --> time_used=3086 ms, qps=972132
BATCH (N=3000000) --> time_used=3201 ms, qps=937207
average qps:911106
ALL TESTS PASSED.

内存分配：jemalloc

lian@ubuntu:~/share/9.1-kvstore$ ./test-redis/testcase 192.168.10.129 8888 3
Connected to 192.168.10.129:8888
BATCH (N=3000000) --> time_used=3197 ms, qps=938379
BATCH (N=3000000) --> time_used=3221 ms, qps=931387
BATCH (N=3000000) --> time_used=3360 ms, qps=892857
BATCH (N=3000000) --> time_used=3292 ms, qps=911300
BATCH (N=3000000) --> time_used=3407 ms, qps=880540
BATCH (N=3000000) --> time_used=3317 ms, qps=904431
BATCH (N=3000000) --> time_used=3337 ms, qps=899011
BATCH (N=3000000) --> time_used=3384 ms, qps=886524
BATCH (N=3000000) --> time_used=3355 ms, qps=894187
BATCH (N=3000000) --> time_used=3379 ms, qps=887836
BATCH (N=3000000) --> time_used=3243 ms, qps=925069
BATCH (N=3000000) --> time_used=3377 ms, qps=888362
BATCH (N=3000000) --> time_used=3212 ms, qps=933997
BATCH (N=3000000) --> time_used=3248 ms, qps=923645
BATCH (N=3000000) --> time_used=3234 ms, qps=927643
BATCH (N=3000000) --> time_used=3152 ms, qps=951776
BATCH (N=3000000) --> time_used=3089 ms, qps=971188
BATCH (N=3000000) --> time_used=3287 ms, qps=912686
BATCH (N=3000000) --> time_used=3079 ms, qps=974342
BATCH (N=3000000) --> time_used=3261 ms, qps=919963
BATCH (N=3000000) --> time_used=3123 ms, qps=960614
BATCH (N=3000000) --> time_used=3234 ms, qps=927643
BATCH (N=3000000) --> time_used=3056 ms, qps=981675
BATCH (N=3000000) --> time_used=3040 ms, qps=986842
BATCH (N=3000000) --> time_used=3187 ms, qps=941324
BATCH (N=3000000) --> time_used=3311 ms, qps=906070
BATCH (N=3000000) --> time_used=3155 ms, qps=950871
BATCH (N=3000000) --> time_used=3318 ms, qps=904159
BATCH (N=3000000) --> time_used=3372 ms, qps=889679
BATCH (N=3000000) --> time_used=3254 ms, qps=921942
BATCH (N=3000000) --> time_used=3386 ms, qps=886001
BATCH (N=3000000) --> time_used=3413 ms, qps=878992
BATCH (N=3000000) --> time_used=3474 ms, qps=863557
BATCH (N=3000000) --> time_used=3412 ms, qps=879249
BATCH (N=3000000) --> time_used=3414 ms, qps=878734
BATCH (N=3000000) --> time_used=3325 ms, qps=902255
BATCH (N=3000000) --> time_used=3346 ms, qps=896592
BATCH (N=3000000) --> time_used=3345 ms, qps=896860
BATCH (N=3000000) --> time_used=3582 ms, qps=837520
BATCH (N=3000000) --> time_used=3412 ms, qps=879249
BATCH (N=3000000) --> time_used=3370 ms, qps=890207
BATCH (N=3000000) --> time_used=3375 ms, qps=888888
BATCH (N=3000000) --> time_used=3190 ms, qps=940438
BATCH (N=3000000) --> time_used=3324 ms, qps=902527
BATCH (N=3000000) --> time_used=3253 ms, qps=922225
BATCH (N=3000000) --> time_used=3230 ms, qps=928792
BATCH (N=3000000) --> time_used=3294 ms, qps=910746
BATCH (N=3000000) --> time_used=3295 ms, qps=910470
BATCH (N=3000000) --> time_used=3148 ms, qps=952986
BATCH (N=3000000) --> time_used=3228 ms, qps=929368
average qps:914031
ALL TESTS PASSED.

面试题

为什么会实现kvstore，使用场景在哪里？
reactor, ntyco, io_uring的三种网络模型的性能差异？
多线程的kvstore该如何改进？
私有协议如何设计会更加安全可靠？
协议改进以后，对已有的代码有哪些改变？
kv引擎实现了哪些？
每个kv引擎的使用场景，以及性能差异？
测试用例如何实现？并且保证代码覆盖率超过90%
网络并发量如何？qps如何？
能够跟哪些系统交互使用？

10 KiB Raw Blame History Unescape Escape

9.1 Kvstore

需求

环境安装与编译

测试

测试1：性能测试

面试题

架构设计

10 KiB

Raw Blame History