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~Joseph Cisaver
Apr 2, 2013, 1:16 PM
6 Posts

DBMT & compact style

  • Category: Domino Server
  • Platform: Windows
  • Release: 9.0
  • Role: Administrator
  • Tags: DBMT,Compact
  • Replies: 2

The new DBMT tool is great. However, I am a bit worried about the copy-style compact operation which is performed. Our servers are running DAOS and archive style transaction logging. A copy-style compact forces a new DBIID after the db has been compacted. This means that we have to make a full backup of the db's after DBMT has performed it's compact operation. This is not very desirable. I would like to see an option to have the compact operation to run an in-place compaction (which has been the recommended option).

I am aware that the DBMT compact can be disabled, by adding the option "-compactThreads 0", but I only see this as a workaround, as we would like to have an in-place compaction to take place as part of the regular db maintenance being carried out by DBMT.

~Tanita Zeklutexakol
Apr 2, 2013, 7:32 PM
32 Posts
inplace changes the dbiid as well
unless you just want to recover lost space (no file shrinkage). Unfortunately we don't have a good response for backups w/ the dbiid changing since the backup vendors don't have a standard api for us to use to spin off a backup of the database. Ideally they tie into the dbiid changing and kick off the backup, but I'm not aware of any that do that today (unfortunately).

We'll have to investigate a way to do that backups as part of dbmt for those running archive style txn logging.

--Steve
~Fred Dwotoozenettu
Jul 12, 2013, 12:52 PM
21 Posts
Even IBM doesn't do that

Ideally they tie into the dbiid changing and kick off the backup, but I'm not aware of any that do that today (unfortunately).

Well, even IBM doesn't do that. ;-)

We'll have to investigate a way to do that backups as part of dbmt for those running archive style txn logging.

Any news about this? For now those couldn't use dbmt, correct? An option to do copy-style-compacts only on a given day would help.

Kind regards,
Oliver Regelmann


 


This forum is closed to new posts and responses. Individual names altered for privacy purposes. The information contained in this website is provided for informational purposes only and should not be construed as a forum for customer support requests. Any customer support requests should be directed to the official HCL customer support channels below:

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