[jira] [Commented] (HIVE-4245) Implement numeric dictionaries in ORC
[ https://issues.apache.org/jira/browse/HIVE-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740229#comment-13740229 ] Owen O'Malley commented on HIVE-4245: - Pamela, Could you upload the current patch you have. I can help rebase it to the current trunk. > Implement numeric dictionaries in ORC > - > > Key: HIVE-4245 > URL: https://issues.apache.org/jira/browse/HIVE-4245 > Project: Hive > Issue Type: New Feature > Components: File Formats >Reporter: Owen O'Malley >Assignee: Pamela Vagata > > For many applications, especially in de-normalized data, there is a lot of > redundancy in the numeric columns. Therefore, it would make sense to > adaptively use dictionary encodings for numeric columns in addition to string > columns. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (HIVE-4245) Implement numeric dictionaries in ORC
[ https://issues.apache.org/jira/browse/HIVE-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13678544#comment-13678544 ] Pamela Vagata commented on HIVE-4245: - My patch depends on the resolution to: HIVE-4324 - currently uses a configuration option to determine whether to dictionary encode or not. > Implement numeric dictionaries in ORC > - > > Key: HIVE-4245 > URL: https://issues.apache.org/jira/browse/HIVE-4245 > Project: Hive > Issue Type: New Feature > Components: File Formats >Reporter: Owen O'Malley >Assignee: Pamela Vagata > > For many applications, especially in de-normalized data, there is a lot of > redundancy in the numeric columns. Therefore, it would make sense to > adaptively use dictionary encodings for numeric columns in addition to string > columns. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (HIVE-4245) Implement numeric dictionaries in ORC
[ https://issues.apache.org/jira/browse/HIVE-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673684#comment-13673684 ] Pamela Vagata commented on HIVE-4245: - Yes, I will get a patch out within the next 2 days - sorry for the delay > Implement numeric dictionaries in ORC > - > > Key: HIVE-4245 > URL: https://issues.apache.org/jira/browse/HIVE-4245 > Project: Hive > Issue Type: New Feature > Components: File Formats >Reporter: Owen O'Malley >Assignee: Pamela Vagata > > For many applications, especially in de-normalized data, there is a lot of > redundancy in the numeric columns. Therefore, it would make sense to > adaptively use dictionary encodings for numeric columns in addition to string > columns. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (HIVE-4245) Implement numeric dictionaries in ORC
[ https://issues.apache.org/jira/browse/HIVE-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673643#comment-13673643 ] Owen O'Malley commented on HIVE-4245: - Pam, Have you had a chance to work on this? > Implement numeric dictionaries in ORC > - > > Key: HIVE-4245 > URL: https://issues.apache.org/jira/browse/HIVE-4245 > Project: Hive > Issue Type: New Feature > Components: File Formats >Reporter: Owen O'Malley >Assignee: Pamela Vagata > > For many applications, especially in de-normalized data, there is a lot of > redundancy in the numeric columns. Therefore, it would make sense to > adaptively use dictionary encodings for numeric columns in addition to string > columns. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
[jira] [Commented] (HIVE-4245) Implement numeric dictionaries in ORC
[ https://issues.apache.org/jira/browse/HIVE-4245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13616613#comment-13616613 ] Owen O'Malley commented on HIVE-4245: - If you look at the original ORC github, you can see a float and double redblack tree that I pulled out in getting it ready for the initial push into Apache. https://github.com/hortonworks/orc/tree/9cdb2e88d377c801655fbb9015938ea3a93e12ca/src/main/java/org/apache/hadoop/hive/ql/io/orc > Implement numeric dictionaries in ORC > - > > Key: HIVE-4245 > URL: https://issues.apache.org/jira/browse/HIVE-4245 > Project: Hive > Issue Type: New Feature > Components: Serializers/Deserializers >Reporter: Owen O'Malley >Assignee: Pamela Vagata > > For many applications, especially in de-normalized data, there is a lot of > redundancy in the numeric columns. Therefore, it would make sense to > adaptively use dictionary encodings for numeric columns in addition to string > columns. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
