Monday Oct 05, 2009

GlassFish Adoption Stats - Sep 2009 Update

This note provides a summary of GlassFish adoption statistics updated through September 2009. This is intended to be a monthly series but it's been three months since the last installment because it was the summer break... and we had a few other distractions.

September 2009 shows record numbers on several categories. The good numbers are partly due to the end of the summer, partly to people getting over the Sun+Oracle noise, partly to GFv3/JavaEE 6 getting closer, and partly to improved visibility of our downloads links in different Java.Sun.Com sites.

Download Data

Data for GlassFish Server downloads from Jul'05 to Sep'09 is presented through two data sets, shown aggregated vertically. The first group includes the SDKs (the Java EE SDK, the Java Application Platform SDK and the JavaEE Tools SDK), the Sun Java System Application Server, Sun GlassFish Enterprise Server and GlassFish Server and the Eclipse Bundle. The second group has the NetBeans bundles that include GlassFish.

I am not including my usual chart for the d/l stats for the JBoss AppServer due to changes in the way SourceForge reports d/l stats but the total number of d/ls for all the files in the JBoss project (tools, cache, appserver, messaging, etc...) was 137,425 and this is an upper bound on the JBoss Server data. You can also poke around for specific files; for example, 10,027 for jboss-5.1.0.GA.zip or 23,274 for jboss-5.1.0.GA-jdk6.zip.

Downloads during September '09 totaled 389,603 for SDKs bundles and 508,171 for tools bundles for a grand total of 897,774. This makes September the record for downloads of SDK bundles and also for the combined download. The best month for NetBeans bundles was Apr'08 with 695,550

GeoMap Data

We started aggregating the GlassFish Admin Console pings in January 2007 to create our GeoMap. The data is mostly useful to track size and geographic trends due to several limitations - we will have improved data as GFv3 releases and we record a few months of downloads.

Like with the download data, September '09 was a record month. Monthly Hits were 560,943 a new record, while monthly IPs were 49,223, second highest. Cumulative Hits were 10,805,792 and cumulative IPs reached 795,525.

Registration Data

Downloads from Sun have optional registration and we have been doing this since Nov '07. I'll create a graph later in the week, in the meantime, the data for September is as follows:

• Monthly, Unique Registrations: GFv2 - 36,648, GFv3 - 15,224. Both are new records.
• Cumulative, Non-unique: GF v2 - 537,166; GFv3 - 188,493
• Accumulated, Unique Registrations Combined: GFv2 and GFv3 - 387,384

Update Center Data

Update Center Pings - N/A at the moment; will update when I get the data.


Caveats and Comments

Although the trends shown here and elsewhere have methodological limitations, I believe they are accurate indicators as they all point in the same direction.

On Downloads:

• We mostly count completed downloads, but, starting in 2009, some of the tools numbers are attempted d/ls.
• We count downloads from Sun.Com, Java.Net and NetBeans.ORG, but not from our Maven Repositories.
• GlassFish is freely redistributable and we don't track other distributions like Ubuntu, Solaris or OpenSolaris

On GeoMaps:

• IP addresses overcount due to dynamic IP allocation.
• IP addresses undercount due to firewalls and offline.
• We can only count activations through the the Admin consoles, in particular IDEs don't count, and more than 50% of the downloads come from tools bundles (see top section).

Overall, I believe these are solid numbers, but if we discover a problem I will correct it and let you know.

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