sudo vi /etc/login.defs 找到配置项“PASS_MAX_DAYS”,该参数表示密码的有效时间。 # PASS_MAX_DAYS Maximum number of days a password may be used. PASS_MAX_DAYS 90 修改步骤1中“PASS_MAX_DAYS”参数的取值。
场景描述 包含全量迁移/同步的任务,在进行全量迁移时失败,错误日志信息包含“Communications link failure The ...packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server”。 关键词 Communications link failure 可能原因 访问源库或目标库时建立连接失败。
以下命令将向uk_price_paid表中插入500万行数据: INSERT INTO uk_price_paid WITH splitByChar(' ', postcode) AS p SELECT toUInt32(price_string) AS price, parseDateTimeBestEffortUS(time) AS date, p[1] AS postcode1, p[2] AS postcode2, transform(a, ['T', 'S', 'D', 'F', 'O'