I see; Did you use GlobalDictionaryBuilder for a dimension column? The GD should only be used for count distinct measure, not suitable for dimension encoding.
2017-09-28 23:57 GMT+08:00 柯南 <[email protected]>: > Thank you for your reply! > I know this command.But Because its segment could not be merged, even if > run this command ,the hbase tables could not be cleaned. > > > > > ------------------ 原始邮件 ------------------ > 发件人: "ShaoFeng Shi";<[email protected]>; > 发送时间: 2017年9月28日(星期四) 晚上9:29 > 收件人: "dev"<[email protected]>; > > 主题: Re: A problem about Global Dictionary and cube merge > > > > You need run this: > https://kylin.apache.org/docs21/howto/howto_cleanup_storage.html > > 2017-09-28 20:40 GMT+08:00 柯南 <[email protected]>: > > > hi,all： > > Because of our yarn and hbase`s version limited,we deploy apache > > kylin 1.6.0. For the correct result of 'count(distinct A_col)' across > > segments, we must use Global Dictionary to A_col. When the cube contain > > configuration of 'org.apache.kylin.dict.GlobalDictionaryBuilder', its > > segment could not be merged.(AppendTrieDictionary class don`t support > > getValueBytesFromIdImpl method and error is below) We will build the cube > > every day, that means a new hbase table will be created every day. And > the > > segment could not be merged, that means the hbase tables could not be > > cleaned. That`t terrible.Give me some advice? > > Thank you! Looking forward to your reply. > > > > > -- > Best regards, > > Shaofeng Shi 史少锋 > -- Best regards, Shaofeng Shi 史少锋
