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Readiness probe failed: calico/node is not ready: BIRD is not ready: Error querying BIRD: unable to

使用tigera-operator方式安装的calico,启动后报错,所有的calico相关的pod都显示CrashLoopBackoff。kubectl-ncalico-systemdescribepodcalico-node-2t8w6,发现如下报错:Readinessprobefailed:calico/nodeisnotready:BIRDisnotready:ErrorqueryingBIRD:unabletoconnecttoBIRDv4socket:dialunix/var/run/calico/bird.ctl:connect:nosuchfileordirectory.问题原

postgresSQL Extended Query执行过程和sharding-proxy的处理

pgExtendedQueryPostgreSQL:Documentation:15:55.2. MessageFlow多个阶段,可复用Parse→DESCRIBEstatement→SYNCParse解析,将sql文本字符串,解析成namedpreparedStatement语句(生命周期随session)占位符和参数类型Describe获取元数据,返回pst参数描述符parameterDescription和结果集的行描述符RowDescription由于此时还没执行Bind,还未将语句传输到backend执行,RowDescription中列的传输格式codecformat还是0;参数的

postgresSQL Extended Query执行过程和sharding-proxy的处理

pgExtendedQueryPostgreSQL:Documentation:15:55.2. MessageFlow多个阶段,可复用Parse→DESCRIBEstatement→SYNCParse解析,将sql文本字符串,解析成namedpreparedStatement语句(生命周期随session)占位符和参数类型Describe获取元数据,返回pst参数描述符parameterDescription和结果集的行描述符RowDescription由于此时还没执行Bind,还未将语句传输到backend执行,RowDescription中列的传输格式codecformat还是0;参数的

Mysql查询执行报错Packet for query is too large (6,831,159 > 4,194,304)

根据意思可以看出mysql执行的报文过大。需要我们设置允许的最大报文max_allowed_packet;org.springframework.dao.TransientDataAccessResourceException:###Errorqueryingdatabase.Cause:com.mysql.cj.jdbc.exceptions.PacketTooBigException:Packetforqueryistoolarge(6,831,159>4,194,304).Youcanchangethisvalueontheserverbysettingthe'max_allowed_p

Mysql查询执行报错Packet for query is too large (6,831,159 > 4,194,304)

根据意思可以看出mysql执行的报文过大。需要我们设置允许的最大报文max_allowed_packet;org.springframework.dao.TransientDataAccessResourceException:###Errorqueryingdatabase.Cause:com.mysql.cj.jdbc.exceptions.PacketTooBigException:Packetforqueryistoolarge(6,831,159>4,194,304).Youcanchangethisvalueontheserverbysettingthe'max_allowed_p

sqlalchemy 报错 Lost connection to MySQL server during query 解决

最近在开发过程中遇到一个sqlalchemylostconnection的报错,记录解决方法。报错信息python后端开发,使用的框架是Fastapi+sqlalchemy。在一个接口请求中报错如下:[2023-03-2406:36:35+0000][217][ERROR]ExceptioninASGIapplicationTraceback(mostrecentcalllast):File"/usr/local/lib/python3.8/dist-packages/uvicorn/protocols/http/h11_impl.py",line407,inrun_asgiresult=aw

sqlalchemy 报错 Lost connection to MySQL server during query 解决

最近在开发过程中遇到一个sqlalchemylostconnection的报错,记录解决方法。报错信息python后端开发,使用的框架是Fastapi+sqlalchemy。在一个接口请求中报错如下:[2023-03-2406:36:35+0000][217][ERROR]ExceptioninASGIapplicationTraceback(mostrecentcalllast):File"/usr/local/lib/python3.8/dist-packages/uvicorn/protocols/http/h11_impl.py",line407,inrun_asgiresult=aw

ByteDance Data Platform: ClickHouse-based Complex Query Implementation and Optimization

Intoday'smarket,ClickHouseisoneofthemostpopularcolumn-orienteddatabasemanagementsystems(DBMS).Arisingstarinthefield,ClickHousehasledanewwaveofanalyticaldatabasesintheindustrywithitsimpressiveperformanceadvantages,andithasamuchfasterqueryspeedthanmostotherdatabasemanagementsystemsofthesametype.WhileC

ByteDance Data Platform: ClickHouse-based Complex Query Implementation and Optimization

Intoday'smarket,ClickHouseisoneofthemostpopularcolumn-orienteddatabasemanagementsystems(DBMS).Arisingstarinthefield,ClickHousehasledanewwaveofanalyticaldatabasesintheindustrywithitsimpressiveperformanceadvantages,andithasamuchfasterqueryspeedthanmostotherdatabasemanagementsystemsofthesametype.WhileC

GitHub Pages + Hexo搭建个人博客网站,史上最全教程

文章目录一、准备工作1.GitHub账号2.安装Git3.安装NodeJS二、创建仓库三、安装Hexo四、更换主题1.NexT主题2.Fluid主题五、创建文章六、个性化页面展示1.浏览器tab页名称2.博客标题3.主页正中间的文字七、添加阅读量统计1.申请LeanCloud账号并创建应用2.修改Fluid配置单篇文章阅读量计数页面底部展示网站的PV、UV统计数八、添加评论功能九、发布到GitHubPages方式一方式二十、发布到自己服务器,Nginx代理十一、最终效果展示本文介绍如何使用GitHubPages+Hexo搭建个人博客网站,完全免费,所有内容本人亲测,绝对可用。一、准备工作1.G