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Posted to dev@hbase.apache.org by "Jaeyun Noh (JIRA)" <ji...@apache.org> on 2008/10/27 18:40:44 UTC
[jira] Created: (HBASE-962) Isolation level support in HBase
transactions
Isolation level support in HBase transactions
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Key: HBASE-962
URL: https://issues.apache.org/jira/browse/HBASE-962
Project: Hadoop HBase
Issue Type: Improvement
Components: io, ipc, regionserver
Reporter: Jaeyun Noh
There will be some case that we don't strict transaction isolation level. Just a ReadCommitted iso-level will be sufficient in some application. (Non-repeatable read, phantom possible)
And, it would be great to specify which isolation level will be used in HBase transaction by an enumeration.
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[jira] Commented: (HBASE-962) Isolation level support in HBase
transactions
Posted by "Jaeyun Noh (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12643149#action_12643149 ]
Jaeyun Noh commented on HBASE-962:
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No. I think only RC and SE are surely enough. Others are rarely used.
> Isolation level support in HBase transactions
> ---------------------------------------------
>
> Key: HBASE-962
> URL: https://issues.apache.org/jira/browse/HBASE-962
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: io, ipc, regionserver
> Reporter: Jaeyun Noh
>
> There will be some case that we don't strict transaction isolation level. Just a ReadCommitted iso-level will be sufficient in some application. (Non-repeatable read, phantom possible)
> And, it would be great to specify which isolation level will be used in HBase transaction by an enumeration.
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You can reply to this email to add a comment to the issue online.
[jira] Commented: (HBASE-962) Isolation level support in HBase
transactions
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12643124#action_12643124 ]
stack commented on HBASE-962:
-----------------------------
Jaeyun Noh: Do you think it possible to realize all isolation models using the OCC that is currently at the heart of Clint's Transactional HBase? I see that for MVCC, in postgres, they only do two internally: http://developer.postgresql.org/pgdocs/postgres/transaction-iso.html.
> Isolation level support in HBase transactions
> ---------------------------------------------
>
> Key: HBASE-962
> URL: https://issues.apache.org/jira/browse/HBASE-962
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: io, ipc, regionserver
> Reporter: Jaeyun Noh
>
> There will be some case that we don't strict transaction isolation level. Just a ReadCommitted iso-level will be sufficient in some application. (Non-repeatable read, phantom possible)
> And, it would be great to specify which isolation level will be used in HBase transaction by an enumeration.
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You can reply to this email to add a comment to the issue online.