polardbx-sql
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polardb
PolarDB-X is a cloud native distributed SQL Database designed for high concurrency, massive storage, complex querying scenarios.
radis10的机械盘上查询慢 用了分库 用一个count查询 竟然比单机数据库慢10多倍 是怎么回事
 每次 只支持删除一张表
k8s部署polardbx-mysql运行一段时间后，由于意外 机器挂了 机器恢复后，其他的pod都成功启动了，就差polardbx一直起不来 全是报错：Can't connect to MySQL server on 'localhost:17197' (111 Connection refused)
如图执行 alter语句报错 ``` ALTER TABLE event DROP COLUMN IF EXISTS box_x; ``` ``` [PXC-4500][ERR_PARSER] illegal name, pos 32, line 1, column 31, token IF ```
Error from server (InternalError): error when creating "pxc-backup.yaml": Internal error occurred: failed calling webhook "polardbxbackup-validate.polardbx.aliyun.com": failed to call webhook: Post "[https://kubernetes.default.svc:443/apis/admission.polardbx.aliyun.com/v1/validate-polardbx-aliyun-com-v1-polardbxbackup?timeout=10s](https://kubernetes.default.svc/apis/admission.polardbx.aliyun.com/v1/validate-polardbx-aliyun-com-v1-polardbxbackup?timeout=10s)": context deadline exceeded kubectl get pxc pxc-product NAME GMS...
chmod +x setup_polardbx_service.sh sudo ./setup_polardbx_service.sh systemctl status polardbx # Problems solved in this PR issue#229 # Changes proposed in this PR # Tests - [ ] Unit test - [...
git clone https://github.com/polardb/polardbx-sql git submodule update --init mvn install -D maven.test.skip=true -D env=release 报错 [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] /opt/polardbx-sql/polardbx-transaction/src/main/java/com/alibaba/polardbx/transaction/trx/ReadOnlyTsoTransaction.java:[27,42] error: package com.alibaba.polardbx.executor.utils does not exist [ERROR] /opt/polardbx-sql/polardbx-transaction/src/main/java/com/alibaba/polardbx/transaction/trx/AutoCommitTransaction.java:[30,43]...
Error: Connect to remote docker failed. Please check docker version of host: 192.168.102.185. Make sure docker version >= 18.09
1、全是docker容器化启动，没有提供硬盘挂载(目录挂载出来)呢，要是GMS容器和所有DN容器全损坏了，数据不就炸了？ 2、容器没有设置自启动，服务器重启了还需要手动重新启动容器 
我根据文档 https://doc.polardbx.com/zh/deployment/topics/deploy-by-rpm-std.html 使用rpm包部署，通过mysql_safe对mysql进程进行守护，但是没有发现polardb 官方提供的开机启动的方式，是否需要我自己来设置开机启动
