RE: Any industral solutions for parquet-bases file generation and ad-hoc query?

Hi If I guess what you are trying to do, I would say, look for EsgynDB 2.5, HotCold feature. https://esgyn.com/EsgynDB2.5 "In this way EsgynDB maintains hot data in Trafodion HBase tables for fast real-time operational access, while automatically copying / moving data to Hive columnar stores

[jira] [Assigned] (PARQUET-1542) Merge multiple I/O to one time I/O when read footer

[ https://issues.apache.org/jira/browse/PARQUET-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gabor Szadovszky reassigned PARQUET-1542: - Assignee: Wang, Gang > Merge multiple I/O to one time I/O when read footer >

[jira] [Commented] (PARQUET-1542) Merge multiple I/O to one time I/O when read footer

[ https://issues.apache.org/jira/browse/PARQUET-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16779022#comment-16779022 ] ASF GitHub Bot commented on PARQUET-1542: - wangshisan commented on pull request #624:

[jira] [Updated] (PARQUET-1542) Merge multiple I/O to one time I/O when read footer

[ https://issues.apache.org/jira/browse/PARQUET-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated PARQUET-1542: Labels: pull-request-available (was: ) > Merge multiple I/O to one time I/O when read

[jira] [Updated] (PARQUET-1542) Merge multiple I/O to one time I/O when read footer

[ https://issues.apache.org/jira/browse/PARQUET-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Wang, Gang updated PARQUET-1542: Summary: Merge multiple I/O to one time I/O when read footer (was: Merge multiple I/O to one

[jira] [Updated] (PARQUET-1542) Merge multiple I/O to one time I/O in method readFooter

[ https://issues.apache.org/jira/browse/PARQUET-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Wang, Gang updated PARQUET-1542: Summary: Merge multiple I/O to one time I/O in method readFooter (was: Merge multiple IO to one