pt-archiver should autolearn txn-size from limit if txn-size is not implied

Reported by David Busby on 2013-03-08
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Percona Toolkit
Undecided
Unassigned

Bug Description

As the summary suggests, if --limit=100 is specified at runtime and --txn-size is not, then --txn-size should default to the --limit value, instead of defaulting to 1.

tags: added: pt-archiver
Changed in percona-toolkit:
status: New → Triaged
Daniel Nichter (daniel-nichter) wrote :

On second look/thought, I'm not sure that --limit and --txn-size should be linked like this. --limit is "how many rows to select to archive", but --txn-size is "how many rows to commit for each txn", i.e. they do very different things. If one only wants to select the first 10,000 rows to archive, that doesn't imply they want them all in a 10k row txn; maybe they want 100 rows per txn.

Daniel Nichter (daniel-nichter) wrote :

Since this isn't a bug, I'm going to close it. Perhaps we could discuss this on the Percona forums, see what other people think? But my feeling atm is that --txn-size and --limit are not/should not be related like this.

Changed in percona-toolkit:
status: Triaged → Invalid
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