Gaussdb (DWS) active prevention and troubleshooting

1、 Check whether important tools exist , If it is not installed, it will affect the positioning time of emergency problems ：

confirm gdb、gstack、core To configure 、pagehack、pg_xlogdump Whether to install ,gs_detect Tool upload . Please refer to the following links for troubleshooting and installation ：

https://bbs.huaweicloud.com/forum/forum.php?mod=viewthread&tid=182226

2、 Patrol important clusters , Exclude cluster configuration 、 Metadata and other issues are deeply hidden and have a great impact

HC/HCS/HCS Description of patrol inspection tools ：https://bbs.huaweicloud.com/blogs/281496

Description of pure soft patrol tool ：

https://support.huawei.com/enterprise/zh/cloud-computing/fusioninsight-tool-pid-21624171/software/254473937?idAbsPath=fixnode01%7C22658044%7C22662728%7C250950561%7C251294926%7C21624171

3、 Risk problem troubleshooting , Check the known major risk problems of the current network