[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Zoltan Haindrich updated HIVE-14362: Labels: (was: TODOC2.2) This was still not mentioned in the docs; I've added it. > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Affects Versions: 2.1.0 >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong >Priority: Major > Fix For: 2.2.0 > > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lefty Leverenz updated HIVE-14362: -- Labels: TODOC2.2 (was: ) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Affects Versions: 2.1.0 >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Labels: TODOC2.2 > Fix For: 2.2.0 > > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Affects Version/s: 2.1.0 > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Affects Versions: 2.1.0 >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Fix For: 2.2.0 > > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Fix Version/s: 2.2.0 > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Affects Versions: 2.1.0 >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Fix For: 2.2.0 > > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Resolution: Fixed Status: Resolved (was: Patch Available) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Affects Versions: 2.1.0 >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Fix For: 2.2.0 > > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Open (was: Patch Available) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: HIVE-14362.06.patch > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Patch Available (was: Open) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: (was: HIVE-14362.06.patch) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: HIVE-14362.06.patch > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Patch Available (was: Open) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Open (was: Patch Available) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, HIVE-14362.06.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: HIVE-14362.05.patch > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Patch Available (was: Open) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Open (was: Patch Available) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, HIVE-14362.05.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Patch Available (was: Open) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: HIVE-14362.03.patch > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Open (was: Patch Available) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > HIVE-14362.03.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Patch Available (was: Open) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: HIVE-14362.02.patch > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Open (was: Patch Available) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, HIVE-14362.02.patch, > compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: compare_on_cluster.pdf > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: (was: explain-analyze-perf-compare.pdf) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, compare_on_cluster.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: explain-analyze-perf-compare.pdf sounds like there is not too much difference. ccing [~gopalv] and [~ashutoshc] > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch, explain-analyze-perf-compare.pdf > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Status: Patch Available (was: Open) > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-14362) Support explain analyze in Hive
[ https://issues.apache.org/jira/browse/HIVE-14362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pengcheng Xiong updated HIVE-14362: --- Attachment: HIVE-14362.01.patch initial patch, still some problems. UpdateDelete, columnStats, Index, Masking, any thing involving a new context. > Support explain analyze in Hive > --- > > Key: HIVE-14362 > URL: https://issues.apache.org/jira/browse/HIVE-14362 > Project: Hive > Issue Type: New Feature >Reporter: Pengcheng Xiong >Assignee: Pengcheng Xiong > Attachments: HIVE-14362.01.patch > > > Right now all the explain levels only support stats before query runs. We > would like to have an explain analyze similar to Postgres for real stats > after query runs. This will help to identify the major gap between > estimated/real stats and make not only query optimization better but also > query performance debugging easier. -- This message was sent by Atlassian JIRA (v6.3.4#6332)
