Enhancement

• Support SSO.
• The resultSets of jobs is all changed to write on the engine side.
• Downloading resultSet is controlled by parameters, unlimit allowed.
• Rename query of module name to jobHistory.
• Rename database of module name to metadata.

Bug Fix

• Fix bug in identification of multi-layer inheritance relationship between super and sub node in Yarn queue.
• Add default value for spark.driver.cores when it is not exists in spark-default.conf.
• Fix bug in spark job progress.
• Fix the NullPointerException when print resultSet in logs caused by the resultSet is path.

增强

• 支持SSO单点登录。
• 结果集全部改为由engine端写入HDFS。
• 下载结果集功能，由之前只能下载5000条，到现在由参数控制，允许无限制。
• 重命名query模块为jobHistory模块。
• 重命名database模块为metadata模块。

修复

• 修复获取Yarn多层级队列时报队列不存在的BUG。
• 当spark-default.conf没有指定spark.driver.cores时，默认设为1。
• 修复spark的进度BUG，使spark进度更实时准确。
• 修复在日志中打印结果集信息时，如果结果集是一个文件会造成NullPointerException的BUG。