[OSM-dev] Transactions per minute?
penorman at mac.com
Thu Apr 19 05:25:08 BST 2012
> From: Lynn W. Deffenbaugh (Mr) [mailto:ldeffenb at homeside.to]
> Sent: Wednesday, April 18, 2012 8:19 PM
> To: dev at openstreetmap.org
> Subject: [OSM-dev] Transactions per minute?
> Is something actually going on with the redaction diffs now? Or is
> something else driving up the transaction IDs?
> I track the change in transaction ID vs the minutely sequence and
> instead of running between 100 and 500 transactions per minute, the past
> two hours have been 1,000 and 1,500 transactions per sequence
> respectively. But strangely enough, the diffs applied in less than 10
> minutes which is more like the time it takes my system to digest 200
> transactions per minute.
I don't believe they've started yet, and nothing looks unusual in my
changeset watcher. There's been a half-dozen imports or so over the last
day, but that's about normal.
> I've been watching for a change in the update rate figuring that would
> be an indication of the redaction activity because I've been wondering
> if my marginally capable planet-wide map server would be able to digest
> the burst of updates that are expected. But if this is them, then I'm
> out of the woods and can rest easily.
Some back of the envelop calculations estimated that with the predicted
schedule it would be at least 4-5 times normal traffic.
More information about the dev