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Posted to issues@trafodion.apache.org by "Suresh Subbiah (JIRA)" <ji...@apache.org> on 2015/11/12 04:56:11 UTC

[jira] [Resolved] (TRAFODION-1576) Performance improvement and reducing offline interval for backup

     [ https://issues.apache.org/jira/browse/TRAFODION-1576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Subbiah resolved TRAFODION-1576.
---------------------------------------
    Resolution: Fixed

> Performance improvement and reducing offline interval for backup
> ----------------------------------------------------------------
>
>                 Key: TRAFODION-1576
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-1576
>             Project: Apache Trafodion
>          Issue Type: Improvement
>          Components: db-utility-backup-restore
>    Affects Versions: 1.1 (pre-incubation)
>            Reporter: Suresh Subbiah
>            Assignee: Suresh Subbiah
>             Fix For: 1.3-incubating
>
>
> 1) Trafodion has to be offline for the entire duration that backup script runs. This could be several hours.
> 2) Backing up a small table's snapshot takes several seconds. When there are hundred or more small tables this impacts overall backup time
> 3) Number of mappers used to backup or restore large table snapshots is not depenent on table size 



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