Okay, I created issue #4965
<https://github.com/orientechnologies/orientdb/issues/4965>.
What about the 2nd issue I have? Is there some reason inserting things
keeps getting slower and slower until I restart OrientDB?
On Friday, September 11, 2015 at 10:50:49 AM UTC-7, Bryan wrote:
>
> Hi all,
>
> I have been experimenting with an OrientDB setup (version 2.1.0 - plocal
> connection) and noticed a very large difference in performance when passing
> in an OClass parameter to a LINKSET vs leaving it out.
> Example:
>
> OClass logItem = schema.createClass("log_item");
> logItem.createProperty("timestamp", OType.DATETIME);
> logItem.createProperty("message", OType.STRING);
>
> OClass log = schema.createClass("log");
> log.createProperty("name", OType.STRING);
>
> and
>
> log.createProperty("log_items", OType.LINKSET, logItem);
> VS
> log.createProperty("log_items", OType.LINKSET);
>
> I tested inserting 1 log and 1000 log items into the log.
> i.e.
> // log = Get the log...
> ODocument logItem = new ODocument("log_item");
> logItem.field("timestamp", new Date());
> logItem.field("message", "Hello World");
> logItem.save();
>
>
> Set<OIdentifiable> logItems = log.field("log_items");
> logItems.add(logItem.getIdentity());
> log.save();
>
>
> WITH OClass param => 38.8 seconds
> WITHOUT OClass param => 1.5 seconds
>
> So really I have 2 questions:
> 1) Why are updates so much faster when I DON'T add the OClass parameter.
> Is there a reason why I want to leave it in?
>
> 2) I'm experiencing decrease in insertion speed as the number of documents
> grows. If I shutdown OrientDB and start again I see speed go up temporarily
> until I insert more records and it continues to slow down... I've tried
> committing after every ".save()". Am I missing something?
>
> Thanks!
>
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