RE: Hive Bucketing

rom: Gopal Vijayaraghavan [mailto:go...@hortonworks.com] On Behalf Of Gopal Vijayaraghavan Sent: 26 January 2016 21:36 To: user@hive.apache.org Subject: Re: Hive Bucketing > Ok so what is the resolution here? My understanding is that bucketing >does not improve the performance. Is that correct?

Re: Hive Bucketing

> Ok so what is the resolution here? My understanding is that bucketing >does not improve the performance. Is that correct? There are no right answers here - I spend a lot of time fixing over-zealous optimization attempts

RE: Hive Bucketing

ty. From: Akansha Jain [mailto:akansha.15au...@gmail.com] Sent: 25 January 2016 22:44 To: user@hive.apache.org Subject: RE: Hive Bucketing Thanks for detailed explanation. Even without bucket pruning, expectation from bucketing is performance improvement. I am joining two tables which a

Re: Hive Bucketing

___ 发件人: Mich Talebzadeh<mailto:m...@peridale.co.uk> 发送时间: ‎2016/‎1/‎23 7:31 收件人: user@hive.apache.org<mailto:user@hive.apache.org> 主题: RE: Hive Bucketing Hi, In general my understanding is that it will be possible to use bucket pruning much like partition pruning (elimination

Re: Hive Bucketing

016/‎1/‎23 7:31 收件人: user@hive.apache.org 主题: RE: Hive Bucketing Hi, In general my understanding is that it will be possible to use bucket pruning much like partition pruning (elimination) soon Bucketing in Hive refers to hash partitioning where a hashing function is applied. Likewise an RDB

RE: Hive Bucketing

sure that this email is virus > free, therefore neither Peridale Technology Ltd, its subsidiaries nor their > employees accept any responsibility. > > > > *From:* Akansha Jain [mailto:akansha.15au...@gmail.com] > *Sent:* 22 January 2016 23:20 > *To:* user@hive.apache.org >

RE: Hive Bucketing

or their employees accept any responsibility. From: Akansha Jain [mailto:akansha.15au...@gmail.com] Sent: 22 January 2016 23:20 To: user@hive.apache.org <mailto:user@hive.apache.org> Subject: RE: Hive Bucketing Thanks for response. I am using 0.13 mapr version. Could you tell m

RE: Hive Bucketing

ty. From: Akansha Jain [mailto:akansha.15au...@gmail.com] Sent: 22 January 2016 23:20 To: user@hive.apache.org Subject: RE: Hive Bucketing Thanks for response. I am using 0.13 mapr version. Could you tell more about bucket pruning. On Jan 22, 2016 3:09 PM, "Mich Talebzadeh" mailto:m...

RE: Hive Bucketing

Thanks for response. I am using 0.13 mapr version. Could you tell more about bucket pruning. On Jan 22, 2016 3:09 PM, "Mich Talebzadeh" wrote: > Ok we are talking about bucket pruning here > > > > What version of Hive are using? > > > > Bucket pruning I believe is available from version 2.0 > > >

RE: Hive Bucketing

Ok we are talking about bucket pruning here What version of Hive are using? Bucket pruning I believe is available from version 2.0 HTH Dr Mich Talebzadeh LinkedIn https://www.linkedin.com/pro