RedisGraph 在Ubuntu18上安装和配置

RedisGraph 在Ubuntu18上安装和配置

参考:
https://redis.io/modules
https://github.com/RedisGraph
https://www.zybuluo.com/Rays/note/1079251
https://s3.amazonaws.com/artifacts.opencypher.org/openCypher9.pdf

编译RedisGraph

RG编译之后是一个模块:redisgraph.so

ubuntu 上:

# apt-get install build-essential cmake m4 automake peg libtool autoconf
# git clone https://github.com/RedisGraph/RedisGraph.git
# cd RedisGraph/ && make

Redis 配置

原来的配置:

# redis configuration
#   http://www.cnblogs.com/wenanry/archive/2012/02/26/2368398.html
#

bind                         127.0.0.1
port                         7001
daemonize                    yes
cluster-enabled              yes
cluster-node-timeout         12000
cluster-config-file          /opt/redis-cluster/dev/cluster-node-7001.conf
pidfile                      /opt/redis-cluster/dev/run/redis-7001.pid
dir                          /opt/redis-cluster/dev/7001
logfile                      /opt/redis-cluster/dev/log/redis-7001.log
maxmemory                    1g
maxmemory-policy             noeviction
requirepass                  test
masterauth                   test
	
########################## SNAPSHOT DUMP MODE #########################
save               900       1
save               300       10
save               60        10000
dbfilename                   snapshotdump-7001.rdb
rdbcompression               yes

########################## APPEND ONLY MODE ###########################
appendonly                   yes
appendfilename               appendonly-7001.aof
appendfsync                  everysec
no-appendfsync-on-rewrite    yes
auto-aof-rewrite-percentage  100
auto-aof-rewrite-min-size    64mb

更改之后的配置:

# redis configuration
#   http://www.cnblogs.com/wenanry/archive/2012/02/26/2368398.html
#

bind                         127.0.0.1
port                         7001
daemonize                    yes
cluster-enabled              yes
cluster-node-timeout         12000
cluster-config-file          /opt/redis-cluster/dev/cluster-node-7001.conf
pidfile                      /opt/redis-cluster/dev/run/redis-7001.pid
dir                          /opt/redis-cluster/dev/7001
logfile                      /opt/redis-cluster/dev/log/redis-7001.log
maxmemory                    1g
maxmemory-policy             noeviction
requirepass                  test
masterauth                   test
loadmodule                   /opt/redis-cluster/redis/module/redisgraph.so 

########################## SNAPSHOT DUMP MODE #########################
save               900       1
save               300       10
save               60        10000
dbfilename                   snapshotdump-7001.rdb
rdbcompression               yes

########################## APPEND ONLY MODE ###########################
# redisgraph not supports AOF
appendonly                   no

注意:redisgraph 不支持AOF。以上配置在每个redis-server的节点都要。

测试 GRAPH.QUERY

启动 redis-cluster,然后登录:

# redis-cli -c -h 127.0.0.1 -p 7001 -a test

测试:

	127.0.0.1:7001> graph.query social "CREATE (:person {name: 'roi', age: 33, gender: 'male', status: 'married'})"
-> Redirected to slot [9628] located at 127.0.0.1:7002
1) 1) "Nodes created: 1"
   2) "Properties set: 4"
   3) "Query internal execution time: 0.768064 milliseconds"
127.0.0.1:7002> 

成功!关于 Cypher 语言,目前 RG 不支持 (a)-[ ]-(b) 。只能写成:(a)-[ ]->(b)。

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