Oren Eini

CEO of RavenDB

a NoSQL Open Source Document Database

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RavenDB Workshops - Deep dive into practical use of Document Data Modeling

NH ProfExposing the data that you already have
time to read 1 min | 118 words
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One of the things that drove me mad with NH Prof is that at times it was hard to visually see when a session went to the database a lot or hit the cache frequently. I mean, you most certainly had that information if you drill into the session itself, but there is really no excuse for not giving that information to the user directly.

Hence, the following screen shot:

image

I am back to working on NH Prof full time, and I love the way everything is set up. Time to feature is ridiculously low.

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NH ProfGetting big, and bigger
time to read 1 min | 200 words
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Well, at least now I have proof positive that all the architecture work that we did in order to ensure that NH Prof will scale better actually works. The following screenshot shows an example that used to crash NH Prof, it loading an 80 MB file with over 200,000 individual events to scan and process.

image

The fun part is that this is run through the entire pipeline, but without involving the UI, so we get the ability to process all those events without having to wait for the UI. If you remember, we had to invest a lot of time making sure that this sort of scenario will work properly.

Now, it takes 85 seconds for this to load, which I consider pretty reasonable, it means about 2,350 events per second, which isn’t a high number, but is plenty fast enough overall, considering the amount of work that I have to do in order to do things like calculate alerts, format the SQL, and do all the other things that NH Prof has to do.

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