[ http://issues.apache.org/jira/browse/DERBY-239?page=all ]
Suresh Thalamati updated DERBY-239:
-----------------------------------
Attachment: onlinebackup_5.diff
This pacth fixes store/onlineBackupTest1.java failure on non-windows
envirorment. Problem was unlogged operations thread and insert thread are
working on the same connection. Test was failing becuase insert thread was
committing the unlogged operation that was suppose to block the backup.
This pacth modified the test , so that these threads works on different
conenctions,
Test passed on Windows XP and Linuix.
It would be great if some one can commit this patch.
> Need a online backup feature that does not block update operations when
> online backup is in progress.
> --------------------------------------------------------------------------------------------------------
>
> Key: DERBY-239
> URL: http://issues.apache.org/jira/browse/DERBY-239
> Project: Derby
> Type: New Feature
> Components: Store
> Versions: 10.1.1.0
> Reporter: Suresh Thalamati
> Assignee: Suresh Thalamati
> Attachments: onlinebackup.html, onlinebackup1.html, onlinebackup_1.diff,
> onlinebackup_2.diff, onlinebackup_3.diff, onlinebackup_4.diff,
> onlinebackup_5.diff
>
> Currently Derby allows users to perfoms online backups using
> SYSCS_UTIL.SYSCS_BACKUP_DATABASE() procedure, but while the backup is in
> progress, update operations are temporarily blocked, but read operations can
> still proceed.
> Blocking update operations can be real issue specifically in client server
> environments, because user requests will be blocked for a long time if a
> backup is in the progress on the server.
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