[jira] [Updated] (KUDU-3033) Add min/max values for the non-primary key columns in the metadata of rowsets/datablocks
[ https://issues.apache.org/jira/browse/KUDU-3033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Grant Henke updated KUDU-3033: -- Labels: performance roadmap-candidate (was: ) > Add min/max values for the non-primary key columns in the metadata of > rowsets/datablocks > > > Key: KUDU-3033 > URL: https://issues.apache.org/jira/browse/KUDU-3033 > Project: Kudu > Issue Type: New Feature > Components: cfile, perf, tablet >Reporter: LiFu He >Priority: Major > Labels: performance, roadmap-candidate > > It's possible to add min/max values for the non-primary key columns in the > metadata of diskrowset/datablock, and then we can skip decoding/evaluating > the unnecessary diskrowset/datablock while scanning. Just like the "compute > stats" feature on impala, and the only difference is that kudu supports > updates. So, the min/max values should be invalid if the columns that have > deltas while scanning. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (KUDU-3033) Add min/max values for the non-primary key columns in the metadata of rowsets/datablocks
[ https://issues.apache.org/jira/browse/KUDU-3033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Grant Henke updated KUDU-3033: -- Component/s: perf > Add min/max values for the non-primary key columns in the metadata of > rowsets/datablocks > > > Key: KUDU-3033 > URL: https://issues.apache.org/jira/browse/KUDU-3033 > Project: Kudu > Issue Type: New Feature > Components: cfile, perf, tablet >Reporter: LiFu He >Priority: Major > > It's possible to add min/max values for the non-primary key columns in the > metadata of diskrowset/datablock, and then we can skip decoding/evaluating > the unnecessary diskrowset/datablock while scanning. Just like the "compute > stats" feature on impala, and the only difference is that kudu supports > updates. So, the min/max values should be invalid if the columns that have > deltas while scanning. -- This message was sent by Atlassian Jira (v8.3.4#803005)
