Re: Hive statistics

2016-12-21 Thread Chao Sun
work in spark all last summer. So, I don’t think it is > built into hive. > > Hope this helps you, > > ~Nikki > > > > *From: *Robert Grandl > *Reply-To: *"user@hive.apache.org" , Robert Grandl < > rgra...@yahoo.com> > *Date: *Wednesday, D

Re: Hive statistics

2016-12-21 Thread Haas, Nichole
Wednesday, December 21, 2016 at 9:04 AM To: User , Dev Subject: Re: Hive statistics Hi guys, I am wondering. Is there any other mailing list for hive related questions? I feel there is not much activity on the user/dev hive mailing lists or at least not much support in answering my questions. Than

Re: Hive statistics

2016-12-21 Thread Robert Grandl
Hi guys, I am wondering. Is there any other mailing list for hive related questions? I feel there is not much activity on the user/dev hive mailing lists or at least not much support in answering my questions. Thanks,Robert On Tuesday, December 20, 2016 11:01 PM, Robert Grandl wrote:

Hive statistics

2016-12-20 Thread Robert Grandl
Hi guys, I am wondering if it's possible to estimate the number of distinct keys and their distribution in a way or another. More concretely, for every stage, it is possible to determine the number of distinct keys and for each key the number of values  before the data is actually processed? T

RE: [HELP]Hive Statistics

2014-07-24 Thread Navdeep Agrawal
: user@hive.apache.org Subject: [HELP]Hive Statistics Stuck .need help I created a small table with multiple partition desc (id int ,term int) partitioned by id ,whenever I run analyze on any id I am getting perfectly good answers . I am unable to figure out the difference each file is making

[HELP]Hive Statistics

2014-07-24 Thread Navdeep Agrawal
.@symantec.com] Sent: Wednesday, July 23, 2014 3:17 PM To: user@hive.apache.org<mailto:user@hive.apache.org> Subject: RE: Hive Statistics I think that is already configured since I am able to get statistics in other tables . Because if I have not set these parameters why every time a new r

RE: Hive Statistics

2014-07-23 Thread Navdeep Agrawal
.@symantec.com] Sent: Wednesday, July 23, 2014 3:17 PM To: user@hive.apache.org Subject: RE: Hive Statistics No I have not set these to mysql db . when I set them to the one I am using for hive I am getting stat publisher not getting initialized .but if I have not set these parameters why eve

RE: Hive Statistics

2014-07-23 Thread Navdeep Agrawal
...@pythian.com] Sent: Wednesday, July 23, 2014 1:22 PM To: user Subject: Re: Hive Statistics Hi, Navdeep, Please note that the configuration for the stats database is separate from the configuration for the metastore db. Can you confirm you have both to use a mysql db? The properties for the stats

Re: Hive Statistics

2014-07-23 Thread Andre Araujo
..@gmail.com] > *Sent:* Tuesday, July 22, 2014 11:05 PM > *To:* user@hive.apache.org > *Subject:* Re: Hive Statistics > > > > by default hive stores the statistics in derby database. > > > > If you want a persistent look at column statistics, you may want to create >

RE: Hive Statistics

2014-07-22 Thread Navdeep Agrawal
: user@hive.apache.org Subject: Re: Hive Statistics by default hive stores the statistics in derby database. If you want a persistent look at column statistics, you may want to create mysql based database for column statistics. Your queries look fine On Tue, Jul 22, 2014 at 10:50 PM, Navdeep

Re: Hive Statistics

2014-07-22 Thread Nitin Pawar
by default hive stores the statistics in derby database. If you want a persistent look at column statistics, you may want to create mysql based database for column statistics. Your queries look fine On Tue, Jul 22, 2014 at 10:50 PM, Navdeep Agrawal < navdeep_agra...@symantec.com> wrote: > Hi ,

Hive Statistics

2014-07-22 Thread Navdeep Agrawal
Hi , i am trying to compute statistics on ORC File but i am unable see any changes in PART_COL_STATS as well on using set hive.compute.query.using.stats=true; set hive.stats.reliable=true; set hive.stats.fetch.column.stats=true; set hive.stats.fetch.partition.stats=true; set hive.cbo.enable=tr

Re: Hive Statistics information

2013-09-03 Thread Sanjay Subramanian
e.org<mailto:user@hive.apache.org>" mailto:user@hive.apache.org>> Subject: Re: Hive Statistics information Hi Sanjay, What do the logs say when you fire the ANALYZE TABLE... statement on a table ? One minor correction to the db connectionstring would be to use & for the quer

Re: Hive Statistics information

2013-08-30 Thread Ravi Kiran
c.Driver > hive.stats.retries.max=0 > hive.stats.retries.wait=3000 > > However in the MYSQL hive statistics tables , they don't seem to have > any data ? > > Where does Hive store the statistics information ? > > sanjay > > CONFIDENTIALITY NOTICE > =

Hive Statistics information

2013-08-30 Thread Sanjay Subramanian
password=hive_user_vso1 hive.stats.jdbc.timeout=30 hive.stats.jdbcdriver=com.mysql.jdbc.Driver hive.stats.retries.max=0 hive.stats.retries.wait=3000 However in the MYSQL hive statistics tables , they don't seem to have any data ? Where does Hive store the statistics information ? sanjay CO