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Posted to dev@phoenix.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2015/02/04 21:45:35 UTC
[jira] [Updated] (PHOENIX-1637) Use supported region locking
protocols when available
[ https://issues.apache.org/jira/browse/PHOENIX-1637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Purtell updated PHOENIX-1637:
------------------------------------
Description:
Another major use of HRegion methods in Phoenix is locking. HBase has proposed adding a Region interface, which would be a supportable subset of HRegion methods applications like Phoenix may need. If it exposes read (region) and write (row) locks then we can use them:
- Where we lock META rows when making transactional changes to system tables
- When we process aggregates, sequences, and index or system table updates
> Use supported region locking protocols when available
> -----------------------------------------------------
>
> Key: PHOENIX-1637
> URL: https://issues.apache.org/jira/browse/PHOENIX-1637
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Andrew Purtell
>
> Another major use of HRegion methods in Phoenix is locking. HBase has proposed adding a Region interface, which would be a supportable subset of HRegion methods applications like Phoenix may need. If it exposes read (region) and write (row) locks then we can use them:
> - Where we lock META rows when making transactional changes to system tables
> - When we process aggregates, sequences, and index or system table updates
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