I'm struggling to find some data as to the (estimated) number of installations/user base/market share of Hibernate and/or EclipseLink.
This information would help in interpreting numbers like '# of bug reports opened' or '# of S/O questions' per product, but it seems that's not as readily available as I would expect.
Can anyone point me to some resources in this regard?
According to RebelLabs 2014 java tools and technologies report, Hibernate was having a 67.5% market share, meaning that all other providers combined share less than 1/3 of the whole market.
The 2014 Data Access frameworks market share is:
In a 2016 survey, the following results have been obtained: