06 2025 档案

摘要:环境: idea:社区版 1.创建maven项目 2.项目结构 3.各文件内容 App.java package org.example; import org.springframework.boot.SpringApplication; import org.springframework.bo 阅读全文
posted @ 2025-06-30 17:48 slnngk 阅读(976) 评论(0) 推荐(0)
摘要:package org.hxl.controller; import java.sql.*; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; impo 阅读全文
posted @ 2025-06-30 11:11 slnngk 阅读(32) 评论(0) 推荐(0)
摘要:环境:OS:Centos 7mysql:8.4.4/8.4.6 xtrabackup:8.4.0-2 1.下载安装介质我这里下载的是 mysql-8.4.4-linux-glibc2.17-x86_64.tar.xz 查看操作系统的GLIBC库 [root@node1 soft]# strings 阅读全文
posted @ 2025-06-27 17:50 slnngk 阅读(204) 评论(0) 推荐(0)
摘要:1.查看执行计划 EXPLAIN MATCH (emp:person) WHERE emp.name = '贾政' RETURN id(emp) PROFILE MATCH (emp:person) WHERE emp.name = '贾政' RETURN id(emp) 2.内存设置 # java 阅读全文
posted @ 2025-06-26 16:55 slnngk 阅读(16) 评论(0) 推荐(0)
摘要:创建节点create (p:person{name:"贾宝玉",sex:"男",age:"16",hobby:"女孩子"})create (p:person{name:"林黛玉",sex:"女",age:"14",hobby:"葬花"})create (p:person{name:"贾政",sex: 阅读全文
posted @ 2025-06-25 16:53 slnngk 阅读(21) 评论(0) 推荐(0)
摘要:1.下载wget https://github.com/neo4j/apoc/releases/download/5.24.2/apoc-5.24.2-core.jar 或是 wget https://github.com/neo4j/apoc/releases/download/5.26.8/ap 阅读全文
posted @ 2025-06-25 15:51 slnngk 阅读(216) 评论(0) 推荐(0)
摘要:环境:Os:Centos 4neo4j:5.24.2 1.创建外挂目录 mkdir -p /home/middle/neo4j/datamkdir -p /home/middle/neo4j/logsmkdir -p /home/middle/neo4j/pluginsmkdir -p /home/ 阅读全文
posted @ 2025-06-25 15:04 slnngk 阅读(292) 评论(0) 推荐(0)
摘要:环境:OS:Centos 7neo4j:5.24.2部署方式:docker compose 提前准备测试数据创建2个节点create (p1:Person {name:"zs"})create (p2:Person {name:"ls"}) 创建两个节点及它们之间的关系create (p1:Pers 阅读全文
posted @ 2025-06-25 11:18 slnngk 阅读(106) 评论(0) 推荐(0)
摘要:1.官网文档地址 https://neo4j.com/docs/operations-manual/current/ 2.查看都有那些表 neo4j@neo4j> CALL db.labels() YIELD label RETURN label; + + | label | + + | "Pers 阅读全文
posted @ 2025-06-24 18:19 slnngk 阅读(15) 评论(0) 推荐(0)
摘要:说明: 1.database dump方式备份需要停数据库,恢复也需要停数据库; 2.在线方式的备份database backup,只能在企业版中使用,社区版不支持; 1.创建备份目录[root@localhost bin]# mkdir -p /opt/neo4j_dumpbak 2.先停掉服务[ 阅读全文
posted @ 2025-06-24 17:00 slnngk 阅读(103) 评论(0) 推荐(0)
摘要:环境: OS:Centos 7 neo4j:5.26.8 1.下载https://github.com/neo4j/apoc/releases/tag/5.26.8下载的版本需要与neo4j版本保持一致[root@localhost bin]# ./neo4j versionneo4j 5.26.8 阅读全文
posted @ 2025-06-24 15:33 slnngk 阅读(284) 评论(0) 推荐(0)
摘要:环境:OS:Centos 7neo4j:5.26.8 1.下载下载地址:https://neo4j.com/deployment-center/#gdb-tab 2.安装java环境我这里安装的是java 21[root@localhost neo4j]# java -versionjava ver 阅读全文
posted @ 2025-06-24 14:44 slnngk 阅读(385) 评论(0) 推荐(0)
摘要:1.登录官网下载地址 https://neo4j.com/deployment-center/#gdb-tab 选择社区版下载 阅读全文
posted @ 2025-06-24 14:05 slnngk 阅读(123) 评论(0) 推荐(0)
摘要:环境: OS:Centos 7 neo4j:5.24.2 1.准备好docker-compose.yml文件 [root@localhost neo4j]# more docker-compose.yml version: '3.8' services: neo4j: image: registry 阅读全文
posted @ 2025-06-24 11:03 slnngk 阅读(288) 评论(0) 推荐(0)
摘要:pom.xml package org.hxl.redis; import org.redisson.Redisson; import org.redisson.api.RBucket; import org.redisson.api.RKeys; import org.redisson.api.R 阅读全文
posted @ 2025-06-23 16:50 slnngk 阅读(11) 评论(0) 推荐(0)
摘要:EsConfiguration.java package org.hxl.es; import java.io.IOException; import org.apache.http.HttpHost; import org.apache.http.auth.AuthScope; import or 阅读全文
posted @ 2025-06-23 10:06 slnngk 阅读(68) 评论(0) 推荐(0)
摘要:1.阿波罗配置信息 2.创建配置文件 app.properties app.id=200 apollo.meta=http://192.168.1.100:8080 # application.properties db.url=jdbc:mysql://192.168.1.14:3306/db_a 阅读全文
posted @ 2025-06-20 16:00 slnngk 阅读(142) 评论(0) 推荐(0)
摘要:环境: python:3.6.5 1.下载apollo_client.py https://github.com/filamoon/pyapollo/blob/master/pyapollo/apollo_client.py 下载完成后修改如下代码 修改为 2.创建测试程序 import apoll 阅读全文
posted @ 2025-06-20 15:28 slnngk 阅读(163) 评论(0) 推荐(0)
摘要:环境Os:Centos 7 apollo:2.4.0 1.部署mysql数据库并初始化数据库在数据量服务器(192.168.1.100)上操作下载阿波罗安装包,安装包里包含有相应的sql文件cd /soft/wget https://github.com/apolloconfig/apollo/ar 阅读全文
posted @ 2025-06-19 16:42 slnngk 阅读(150) 评论(0) 推荐(0)
摘要:config.properties # config.properties db.url=jdbc:mysql://192.168.1.14:3306/db_admin?useSSL=false db.username=root db.password=123456 存放路径 LoadConfig. 阅读全文
posted @ 2025-06-18 14:08 slnngk 阅读(14) 评论(0) 推荐(0)
摘要:User.java package org.hxl.rds; public class User { private long id; private String name; private String email; @Override public String toString() { re 阅读全文
posted @ 2025-06-16 14:13 slnngk 阅读(90) 评论(0) 推荐(0)
摘要:DatabaseConnectionPool.java package org.hxl.rds; import com.zaxxer.hikari.HikariConfig; import com.zaxxer.hikari.HikariDataSource; import java.sql.Con 阅读全文
posted @ 2025-06-13 14:54 slnngk 阅读(29) 评论(0) 推荐(0)
摘要:package org.hxl.rds; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; impor 阅读全文
posted @ 2025-06-13 11:28 slnngk 阅读(29) 评论(0) 推荐(0)
摘要:maven项目打包默认是不会加入依赖包的,这样的话把包拷贝到服务器上会无法执行,需要把依赖包加入到项目jar里面,需要在pom.xml文件中添加如下部分 <build> <plugins> <plugin> <artifactId>maven-assembly-plugin</artifactId> 阅读全文
posted @ 2025-06-13 09:22 slnngk 阅读(43) 评论(0) 推荐(0)
摘要:1.pom.xml配置 <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-inst 阅读全文
posted @ 2025-06-12 14:33 slnngk 阅读(49) 评论(0) 推荐(0)
摘要:package org.hxl.es; import org.apache.http.HttpEntity; import org.apache.http.HttpHost; import org.apache.http.auth.AuthScope; import org.apache.http. 阅读全文
posted @ 2025-06-11 13:50 slnngk 阅读(15) 评论(0) 推荐(0)
摘要:1.查找hostid mysql> select * from hosts where host='hxl-elasticsearch-prd'; + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 阅读全文
posted @ 2025-06-10 10:24 slnngk 阅读(50) 评论(0) 推荐(0)
摘要:#!/usr/bin/env python # -*- coding: UTF-8 -*- from elasticsearch import Elasticsearch import os, json, urllib, datetime, shutil import traceback impor 阅读全文
posted @ 2025-06-09 11:11 slnngk 阅读(5) 评论(0) 推荐(0)
摘要:es_get_task_count.sh #!/bin/bash task_count=`mysql -h 172.17.100.216 -P13306 -uureadonly -p"Etr4(865r^ereh874t" -N<<EOF use cmdb; select task_count fr 阅读全文
posted @ 2025-06-09 09:33 slnngk 阅读(13) 评论(0) 推荐(0)
摘要:配置文件application.yml内容: server: port: 8080 spring: application: name: hxltest main: banner-mode: off logging: level: root: debug student: name: 张三 age: 阅读全文
posted @ 2025-06-05 10:51 slnngk 阅读(15) 评论(0) 推荐(0)