Greenplum管理和监控工具-gpcc-web介绍

1. gpcc-web简介

gpcc（Greenplum Command Center）的Web用户界面是一个强大的工具，它可以帮助用户管理Greenplum数据库集群，提高效率，优化性能，并确保数据的安全性和可靠性。它为数据库管理员提供了一个集中化的平台，从而更容易管理和监控复杂的数据仓库环境。

gpcc-web主要特点和功能

集群监控和状态：gpcc-web提供了有关整个Greenplum数据库集群状态的实时信息。您可以查看主机、段、表空间等级别的性能数据、状态和报警信息。这有助于及时识别和解决性能问题。
查询性能监控：您可以监视正在运行的查询的性能，包括查询执行计划、资源消耗和查询运行时间。这有助于识别潜在的性能瓶颈和优化查询。
备份和恢复管理：gpcc-web允许您配置和监视数据库备份策略，并提供了还原数据库的功能。这有助于确保数据的备份和可恢复性。
自动化任务和计划：您可以使用gpcc-web来管理和计划自动化任务，如数据加载、清理、备份等。这有助于提高数据库管理的效率。
安全性管理：GPCC提供了用户和角色管理功能，以及访问控制策略的配置。这有助于确保数据库的安全性和合规性。
性能优化：通过分析数据库性能数据，gpcc-web可以建议性能优化措施，帮助您改进查询性能和资源利用率。
报告和可视化：GPCC生成各种报告和图形，用于可视化数据库性能、资源利用和趋势。这些报告有助于更好地理解数据库的健康状况。
插件和扩展性：GPCC的gpcc-web界面可以通过插件进行扩展，以满足特定需求和集成其他工具。
易于使用的界面：gpcc-web具有直观的用户界面，使数据库管理员和运维人员能够轻松地执行各种管理和监控任务。

2. gpcc-web安装部署

2-1. 环境检查

# 当前集群信息gpmaster + gpstandby + segment01-04
[gpadmin@hdt-dmcp-gpmaster ~]$ cat /etc/hosts
::1	localhost	localhost.localdomain	localhost6	localhost6.localdomain6
# greenplum
172.20.6.107 hdt-dmcp-gpmaster
172.20.9.175 hdt-dmcp-gpstandby
172.20.5.87 hdt-dmcp-segment01
172.20.14.139 hdt-dmcp-segment02
172.20.11.45 hdt-dmcp-segment03
172.20.13.242 hdt-dmcp-segment04

# 当前GP版本 Greenplum Database 6.19.0
[gpadmin@hdt-dmcp-gpmaster ~]$ psql
psql (9.4.26)
Type "help" for help.

testdb=# select version();
 PostgreSQL 9.4.26 (Greenplum Database 6.19.0 build commit:c88801925e5d51e4be57f54ff2158ed74a264b8e Open Source) on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 6.4.0, 64-bit compiled on Dec  8 2021 23:08:44
(1 row)

testdb=# \q

# 当前服务器系统版本CentOS-7
[gpadmin@hdt-dmcp-gpmaster ~]$ cat /etc/redhat-release 
CentOS Linux release 7.4.1708 (Core)

2-2. 下载地址

官方地址：

https://network.pivotal.io/products/gpdb-command-center#/releases/1243596

如果版本需要CentOS-7，对应6.8.4版本，可以使用百度网盘分享

链接：https://pan.baidu.com/s/1eQ5JMXnjUyHXj8xtB4Vueg?pwd=dw0t 
提取码：dw0t

2-3. 安装部署

注意: 在master库上安装即可，客户端会自动安装到其它segment

安装准备

# 下载至本地服务器目录
[gpadmin@hdt-dmcp-gpmaster ~]$ ll | grep greenplum-cc-web
-rw-r--r-- 1 gpadmin gpadmin 102488779 Oct 31 14:52 greenplum-cc-web-6.8.4-gp6-rhel7-x86_64.zip

# unzip解压安装包
[gpadmin@hdt-dmcp-gpmaster ~]$ unzip greenplum-cc-web-6.8.4-gp6-rhel7-x86_64.zip 
Archive:  greenplum-cc-web-6.8.4-gp6-rhel7-x86_64.zip
   creating: greenplum-cc-web-6.8.4-gp6-rhel7-x86_64/
  inflating: greenplum-cc-web-6.8.4-gp6-rhel7-x86_64/gpccinstall-6.8.4  

# 解压后为一个二进制执行文件
[gpadmin@hdt-dmcp-gpmaster ~]$ cd greenplum-cc-web-6.8.4-gp6-rhel7-x86_64
[gpadmin@hdt-dmcp-gpmaster greenplum-cc-web-6.8.4-gp6-rhel7-x86_64]$ ll
total 169864
-rwxr-xr-x 1 gpadmin gpadmin 173939328 Jan 18  2023 gpccinstall-6.8.4

# 引用原greenplum-db的环境变量文件
[gpadmin@hdt-dmcp-gpmaster ~]$ source /usr/local/greenplum-db/greenplum_path.sh

# 创建gpcc安装目录路径，此目录可自定义
[gpadmin@hdt-dmcp-gpmaster ~]$ mkdir -p /home/gpadmin/software

安装gpcc

# 运行安装文件
[gpadmin@hdt-dmcp-gpmaster greenplum-cc-web-6.8.4-gp6-rhel7-x86_64]$ ./gpccinstall-6.8.4 
Where would you like to install Greenplum Command Center? (Default=/usr/local)
/home/gpadmin/software      # 输入指定的安装路径，直接回车则选择Default默认目录
Greenplum Command Center will be installed in /home/gpadmin/software/greenplum-cc-6.8.4

What would you like to name this installation of Greenplum Command Center? (Default=gpcc)

				# 输入指定的gpcc-web页面的项目名称，可以使用自己的项目简称，直接回车则选择Default默认名称gpcc
What port would you like the gpcc webserver to use? (Default=28080)
				# 输入指定的gpcc-web页面端口，直接回车则选择Default默认28080

Would you like to enable SSL/TLS? Yy/Nn (Default=Y)
N				# 是否开启SSL，选择N 暂不使用

********************************************************************************
* WARNING: Your connections to GPCC will be insecure.                          *
********************************************************************************

Please choose a display language (Default=English)
1.  English
2.  Chinese
3.  Korean
4.  Russian
5.  Japanese
2			# 2 对应中文显示

Could not detect [metrics_collector] in shared_preload_libraries
Please add it to enable GPCC metrics collection

Would you like to continue with gpcc installation? Yy/Nn (Default=N)
y				# 是否进行本次的安装，Y 继续进行安装任务，N 则直接退出安装

INSTALLATION IN PROGRESS...
********************************************************************************
* Please check your .pgpass file for the default password.                     *
* We recommend changing the default password for the gpmon user unless you     *
* plan to connect through LDAP or kerberos.                                    *
********************************************************************************
CREATING SUPERUSER 'gpmon'...
/home/gpadmin/.bashrc: line 12: /home/gpadmin/software/greenplum-cc-6.8.4/gpcc_path.sh: No such file or directory
/home/gpadmin/.bashrc: line 12: /home/gpadmin/software/greenplum-cc-6.8.4/gpcc_path.sh: No such file or directory
CREATING COMMAND CENTER DATABASE 'gpperfmon'...

********************************************************************************
*                                                                              *
* INSTALLATION IS ALMOST COMPLETED                                             *
*                                                                              *
* The last step is to update the metrics_collector extension, which needs to   *
* restart the Greenplum Database cluster. Please proceed to $GPCC_HOME and     *
* follow the instructions in this file:                                        *
*                                                                              *
*                            update-extension.txt                              *
*                                                                              *
* Some new features may not be available before the update is done.            *
*                                                                              *
* To use GPCC with the old metrics_collector extension, source gpcc_path.sh    *
* and run 'gpcc start'.                                                        *
*                                                                              *
********************************************************************************

引用gpcc的环境变量

[gpadmin@hdt-dmcp-gpmaster greenplum-cc-web-6.8.4-gp6-rhel7-x86_64]$ ll /home/gpadmin/software/greenplum-cc-6.8.4/gpcc_path.sh
-rw-rw-r-- 1 gpadmin gpadmin 107 Oct 31 14:58 /home/gpadmin/software/greenplum-cc-6.8.4/gpcc_path.sh

# 将gpcc环境变量加入到用户本地的.bashrc
[gpadmin@hdt-dmcp-gpmaster greenplum-cc-web-6.8.4-gp6-rhel7-x86_64]$ echo "source /home/gpadmin/software/greenplum-cc-6.8.4/gpcc_path.sh" >> ~/.bashrc

# source引用
[gpadmin@hdt-dmcp-gpmaster greenplum-cc-web-6.8.4-gp6-rhel7-x86_64]$ source  ~/.bashrc

gppkg安装

gppkg 可以用于安装和管理 Greenplum 数据库的扩展组件或插件。这些组件可以增强数据库的功能，如添加额外的数据类型、函数、外部语言支持等。通过 gppkg，您可以轻松地将这些扩展组件安装到 Greenplum 集群中，以满足特定的需求

[gpadmin@hdt-dmcp-gpmaster ~]$ cd ~/software/greenplum-cc/gppkg/

# 注意-i 参数后面的文件是根据用户的gpcc版本、gp数据版本、操作系统版本来选择，目录下需要自行选择
[gpadmin@hdt-dmcp-gpmaster gppkg]$ gppkg -i MetricsCollector-6.8.4_gp_6.19.0-rhel7-x86_64.gppkg
20231031:15:37:58:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Starting gppkg with args: -i MetricsCollector-6.8.4_gp_6.19.0-rhel7-x86_64.gppkg
20231031:15:37:58:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Installing package MetricsCollector-6.8.4_gp_6.19.0-rhel7-x86_64.gppkg
20231031:15:37:58:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Validating rpm installation cmdStr='rpm --test -i /usr/local/greenplum-db-6.19.0/.tmp/MetricsCollector-6.8.4-6.19.0.x86_64.rpm --dbpath /usr/local/greenplum-db-6.19.0/share/packages/database --prefix /usr/local/greenplum-db-6.19.0'
20231031:15:38:01:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Installing MetricsCollector-6.8.4_gp_6.19.0-rhel7-x86_64.gppkg locally
20231031:15:38:01:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Validating rpm installation cmdStr='rpm --test -i /usr/local/greenplum-db-6.19.0/.tmp/MetricsCollector-6.8.4-6.19.0.x86_64.rpm --dbpath /usr/local/greenplum-db-6.19.0/share/packages/database --prefix /usr/local/greenplum-db-6.19.0'
20231031:15:38:01:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Installing rpms cmdStr='rpm -i --force /usr/local/greenplum-db-6.19.0/.tmp/MetricsCollector-6.8.4-6.19.0.x86_64.rpm --dbpath /usr/local/greenplum-db-6.19.0/share/packages/database --prefix=/usr/local/greenplum-db-6.19.0'
20231031:15:38:01:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Completed local installation of MetricsCollector-6.8.4_gp_6.19.0-rhel7-x86_64.gppkg.
20231031:15:38:01:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:--
==========================================================================
Metrics Collector installation is complete!
==========================================================================
20231031:15:38:01:010989 gppkg:hdt-dmcp-gpmaster:gpadmin-[INFO]:-MetricsCollector-6.8.4_gp_6.19.0-rhel7-x86_64.gppkg successfully installed.

修改数据库配置

[gpadmin@hdt-dmcp-gpmaster ~]$ gpconfig -c shared_preload_libraries -v metrics_collector
[gpadmin@hdt-dmcp-gpmaster ~]$ gpconfig -c gp_enable_query_metrics -v on
[gpadmin@hdt-dmcp-gpmaster ~]$ gpconfig -c track_activities  -v on
[gpadmin@hdt-dmcp-gpmaster ~]$ gpconfig -s shared_preload_libraries
[gpadmin@hdt-dmcp-gpmaster ~]$ gpconfig -s gp_enable_query_metrics
[gpadmin@hdt-dmcp-gpmaster ~]$ gpconfig -s track_activities

[gpadmin@hdt-dmcp-gpmaster ~]$ gpstop -u
20231031:16:37:01:017514 gpstop:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Starting gpstop with args: -u
20231031:16:37:01:017514 gpstop:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Gathering information and validating the environment...
20231031:16:37:01:017514 gpstop:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Obtaining Greenplum Master catalog information
20231031:16:37:01:017514 gpstop:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Obtaining Segment details from master...
20231031:16:37:01:017514 gpstop:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Greenplum Version: 'postgres (Greenplum Database) 6.19.0 build commit:c88801925e5d51e4be57f54ff2158ed74a264b8e Open Source'
20231031:16:37:01:017514 gpstop:hdt-dmcp-gpmaster:gpadmin-[INFO]:-Signalling all postmaster processes to reload

# 建议条件允许快速模式重启集群
[gpadmin@hdt-dmcp-gpmaster ~]$ gpstop -M fast
[gpadmin@hdt-dmcp-gpmaster ~]$ gpstart -a

# 启动gpcc
[gpadmin@hdt-dmcp-gpmaster tmp]$ gpcc start
2023-10-31 18:01:19 Starting the gpcc agents and webserver...
2023-10-31 18:01:22 Agent successfully started on 6/6 hosts
2023-10-31 18:01:22 View Greenplum Command Center at http://hdt-dmcp-gpmaster:28080
[gpadmin@hdt-dmcp-gpmaster tmp]$ 
[gpadmin@hdt-dmcp-gpmaster tmp]$ gpcc status
2023-10-31 18:03:47 GPCC webserver: running
2023-10-31 18:03:48 GPCC agents: 6/6 agents running

# 查看账号密码
[gpadmin@hdt-dmcp-gpmaster ~]$ cat ~/.pgpass
*:5432:gpperfmon:gpmon:KiMvboFf

# 其中 ”gpmon“为账号  “KiMvboFf”为密码