GlassFish Adoption Stats - Apr 2009 Update

This note provides a summary of GlassFish adoption statistics updated through April 2009. Although the trends shown here and elsewhere have methodological limitations, I believe they are accurate indicators as they all point in the same direction.

The numbers for April 2009 are down a bit from the record-breaking March 2009 but the overall pattern continues to be of growth. The drop seems to be mostly due to seasonal variations (i.e. Spring break) although possibly the Oracle announcement may have also caused some disruption.

Download Data

The graphs below show monthly download data from Jul'05 through Apr'09 with Y axis normalized to 900K per month; images link to a larger image for further inspection.

Data for GlassFish Server is presented through two data sets, shown aggregated vertically: the first set includes pure-runtime bundles (Sun Java System Application Server, Sun GlassFish Enterprise Server, GlassFish Server, the Java EE SDK and the Java Application Platform SDK, etc) while the second set includes tools bundles that include GlassFish (NetBeans, the Eclipse Bundle, etc). As a reference point, I'm also including the d/l stats for all versions of JBoss AppServer as reported by SourceForge.

Downloads during Apr'09 totaled 186,287 for run-time bundles and 462,597 for tools bundles for a grand total of 648,884. Downloads of all versions of JBoss AS totaled 73,612.

The best month for run-time bundles was Mar'09 with 250,756; that for tools bundles was Apr'08 with 695,550, and the one for the combined number was Apr '08 with 882,489. The best month for JBoss 5.0 in this period was Dec '08 with 126,989 downloads.

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 after GFv3 releases.

Like with the download data, Apr'09 was a good month but not as good as Mar'09. Monthly Hits were 535,568 while monthly IPs were 49,156. Cumulative Hits were 8,127,921 and cumulative IPs reached 658,383.

Registration Data

Downloads from Sun have optional registration. I don't currently have monthly trend but the cumulative data as of this writing is:

• GlassFish v2 - 395,300
• GlassFish v3 - 102,046

Update Center Data

Update Center Pings - 120,954 in April (new high); total of 729,365 users.

Caveats and Comments

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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