[jira] [Updated] (OMID-85) Autocommit
[ https://issues.apache.org/jira/browse/OMID-85?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ohad Shacham updated OMID-85: - Fix Version/s: 1.0.0.0 > Autocommit > -- > > Key: OMID-85 > URL: https://issues.apache.org/jira/browse/OMID-85 > Project: Apache Omid > Issue Type: Sub-task >Reporter: Ohad Shacham >Assignee: Ohad Shacham >Priority: Major > Fix For: 1.0.0.0 > > Attachments: OMID-85.v1.patch > > > Writing directly to HBase using specific version marks the write as a write > that was done by a specific transaction. However, due to lack of shadow > cells, getting the commit timestamp of the transaction can be done only by > access the commit table. The motivation of this feature is to add the shadow > cells during the write and save the commit table access. > This feature is required by Apache Phoenix that during index creation adds > the data table's entries, appeared before creation, to the index. In this > case, the version and the commit timestamp should be the fence id and > therefore, a direct write to HBase with the addition of shadow cells is > required. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (OMID-85) Autocommit
[ https://issues.apache.org/jira/browse/OMID-85?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ohad Shacham updated OMID-85: - Attachment: OMID-85.v1.patch > Autocommit > -- > > Key: OMID-85 > URL: https://issues.apache.org/jira/browse/OMID-85 > Project: Apache Omid > Issue Type: Sub-task >Reporter: Ohad Shacham >Assignee: Ohad Shacham >Priority: Major > Attachments: OMID-85.v1.patch > > > Writing directly to HBase using specific version marks the write as a write > that was done by a specific transaction. However, due to lack of shadow > cells, getting the commit timestamp of the transaction can be done only by > access the commit table. The motivation of this feature is to add the shadow > cells during the write and save the commit table access. > This feature is required by Apache Phoenix that during index creation adds > the data table's entries, appeared before creation, to the index. In this > case, the version and the commit timestamp should be the fence id and > therefore, a direct write to HBase with the addition of shadow cells is > required. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Updated] (OMID-85) Autocommit
[ https://issues.apache.org/jira/browse/OMID-85?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ohad Shacham updated OMID-85: - Summary: Autocommit (was: Direct HBase write with shadow cells) > Autocommit > -- > > Key: OMID-85 > URL: https://issues.apache.org/jira/browse/OMID-85 > Project: Apache Omid > Issue Type: Sub-task >Reporter: Ohad Shacham >Assignee: Ohad Shacham >Priority: Major > > Writing directly to HBase using specific version marks the write as a write > that was done by a specific transaction. However, due to lack of shadow > cells, getting the commit timestamp of the transaction can be done only by > access the commit table. The motivation of this feature is to add the shadow > cells during the write and save the commit table access. > This feature is required by Apache Phoenix that during index creation adds > the data table's entries, appeared before creation, to the index. In this > case, the version and the commit timestamp should be the fence id and > therefore, a direct write to HBase with the addition of shadow cells is > required. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
