Example Analysis of Redis 4.0Source Code installation

This article mainly introduces the Redis 4.0 source code installation example analysis, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand it.

Go to the official website to download software

Https://redis.io/download

The latest stable version is 4.0

Upload to the server

Decompression software

[root@MySQL01 ~] # cd / install/

[root@MySQL01 install] # tar xvfz redis-4.0.2.tar.gz

Compilation and installation

[root@MySQL01 install] # cd redis-4.0.2

[root@MySQL01 redis-4.0.2] # make

...

CC module.o

CC evict.o

CC expire.o

CC geohash.o

CC geohash_helper.o

CC childinfo.o

CC defrag.o

CC siphash.o

CC rax.o

LINK redis-server

INSTALL redis-sentinel

CC redis-cli.o

LINK redis-cli

CC redis-benchmark.o

LINK redis-benchmark

INSTALL redis-check-rdb

INSTALL redis-check-aof

Hint: It's a good idea to run 'make test';)

Make [1]: Leaving directory `/ install/redis-4.0.2/src'

Start redis

[root@MySQL01 redis-4.0.2] # src/redis-server &

[1] 48741

[root@MySQL01 redis-4.0.2] # 48741:C 03 Nov 19:29:48.941 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo

48741:C 03 Nov 19:29:48.941 # Redis version=4.0.2, bits=64, commit=00000000, modified=0, pid=48741, just started

48741:C 03 Nov 19:29:48.941 # Warning: no config file specified, using the default config. In order to specify a config file use src/redis-server / path/to/redis.conf

48741 it was originally set to M 03 Nov 19V 29V 48.944 * Increased maximum number of open files to 10032 (it was originally set to 1024)

_. _

_.-``_'-. _

_.-``` `_. '' -. _ Redis 4.0.2 (00000000Universe 0) 64 bit

.-``.-```. ```\ / _, _'-. _

(',.-`|`,) Running in standalone mode

| | `-. _` -.-`_ _.-.`` -. _ |'` _. -'| Port: 6379 |

| | `-. _`. _ / _. -'| PID: 48741 |

`-. _` -. _ `. /. -'_. -'

| | `-. _ _. -'|

| | `-. _` -. _ _. -'_. -'| http://redis.io |

`-. _` -. _ `. -'_. -'

| | `-. _ _. -'|

| | `-. _` -. _. -'_. -'|

`-. _` -. _ `. -'_. -'

`-. _`. _ _. -'_. -'

`-. _. -'

`-. _. -'

48741:M 03 Nov 19:29:48.950 # WARNING: The TCP backlog setting of 511 cannot be enforced because / proc/sys/net/core/somaxconn is set to the lower value of 128.

48741:M 03 Nov 19:29:48.950 # Server initialized

48741:M 03 Nov 19:29:48.950 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory=1' to / etc/sysctl.conf and then reboot or run the command' sysctl vm.overcommit_memory=1' for this to take effect.

48741 THP M 03 Nov 1915 29 support enabled in your kernel 48.950 # WARNING you have Transparent Huge Pages (THP). This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > / sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your / etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.

48741 seconds M 03 Nov 1929 seconds 48.950 * seconds

48741rig M 03 Nov 19rig 29uv 48.950 * Ready to accept connections

Connect to redis through built-in client tools

[root@MySQL01 redis-4.0.2] # src/redis-cli

127.0.0.1 purl 6379 > set foo bar

OK

127.0.0.1 purl 6379 > get foo

"bar

View the process

[root@MySQL01 redis-4.0.2] # ps-ef | grep redis

Root 48741 1 0 Nov03? 00:00:25 src/redis-server *: 6379

Install Redis client libraries for the Python 3.6.1 language

[root@MySQL01 redis-4.0.2] # pip3 install redis hiredis

Collecting redis

Downloading redis-2.10.6-py2.py3-none-any.whl (64kB)

100% | ██ | 71kB 107kB/s

Collecting hiredis

Downloading hiredis-0.2.0.tar.gz (46kB)

100% | ██ | 51kB 501kB/s

Installing collected packages: redis, hiredis

Running setup.py install for hiredis... Done

Successfully installed hiredis-0.2.0 redis-2.10.6

Log in to Redis through Python 3

[root@MySQL01 redis-4.0.2] # python

Python 3.6.1 (default, Oct 2 2017, 06:28:48)

[GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux

Type "help", "copyright", "credits" or "license" for more information.

> import redis

> > conn = redis.Redis ()

> conn.set ('hello',' world')

True

> conn.get ('hello')

Baked world'

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