[jira] [Resolved] (HIVE-23965) Improve plan regression tests using TPCDS30TB metastore dump and custom configs
[ https://issues.apache.org/jira/browse/HIVE-23965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Zoltan Haindrich resolved HIVE-23965. - Resolution: Fixed merged the new changes - resolving again :) > Improve plan regression tests using TPCDS30TB metastore dump and custom > configs > --- > > Key: HIVE-23965 > URL: https://issues.apache.org/jira/browse/HIVE-23965 > Project: Hive > Issue Type: Improvement >Reporter: Stamatis Zampetakis >Assignee: Stamatis Zampetakis >Priority: Major > Labels: pull-request-available > Fix For: 4.0.0 > > Attachments: master355.tgz > > Time Spent: 7h 40m > Remaining Estimate: 0h > > The existing regression tests (HIVE-12586) based on TPC-DS have certain > shortcomings: > The table statistics do not reflect cardinalities from a specific TPC-DS > scale factor (SF). Some tables are from a 30TB dataset, others from 200GB > dataset, and others from a 3GB dataset. This mix leads to plans that may > never appear when using an actual TPC-DS dataset. > The existing statistics do not contain information about partitions something > that can have a big impact on the resulting plans. > The existing regression tests rely on more or less on the default > configuration (hive-site.xml). In real-life scenarios though some of the > configurations differ and may impact the choices of the optimizer. > This issue aims to address the above shortcomings by using a curated > TPCDS30TB metastore dump along with some custom hive configurations. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Resolved] (HIVE-23965) Improve plan regression tests using TPCDS30TB metastore dump and custom configs
[ https://issues.apache.org/jira/browse/HIVE-23965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jesus Camacho Rodriguez resolved HIVE-23965. Fix Version/s: 4.0.0 Resolution: Fixed Pushed to master, thanks [~zabetak]! > Improve plan regression tests using TPCDS30TB metastore dump and custom > configs > --- > > Key: HIVE-23965 > URL: https://issues.apache.org/jira/browse/HIVE-23965 > Project: Hive > Issue Type: Improvement >Reporter: Stamatis Zampetakis >Assignee: Stamatis Zampetakis >Priority: Major > Labels: pull-request-available > Fix For: 4.0.0 > > Time Spent: 5h 20m > Remaining Estimate: 0h > > The existing regression tests (HIVE-12586) based on TPC-DS have certain > shortcomings: > The table statistics do not reflect cardinalities from a specific TPC-DS > scale factor (SF). Some tables are from a 30TB dataset, others from 200GB > dataset, and others from a 3GB dataset. This mix leads to plans that may > never appear when using an actual TPC-DS dataset. > The existing statistics do not contain information about partitions something > that can have a big impact on the resulting plans. > The existing regression tests rely on more or less on the default > configuration (hive-site.xml). In real-life scenarios though some of the > configurations differ and may impact the choices of the optimizer. > This issue aims to address the above shortcomings by using a curated > TPCDS30TB metastore dump along with some custom hive configurations. -- This message was sent by Atlassian Jira (v8.3.4#803005)
