JEP 214: Remove GC Combinations Deprecated in JDK 8

[Kirk Pepperdine]

Hi Mark,

I just wanted voice support for this JEP.

If I remember the original conversation correctly my concern was with the removal of iCMS is that was being used in a large number of applications with low latency requirements and I’m not sure that many of these people are aware of anything more than the most loudly advertised latest and greatest features in the JDK. iCMS was really the only option they had. However, in the last couple of months I’ve been been moving clients away from the older more traditional collector combinations to the latest implementations of the G1. The results have been quite good and in some cases stunning. Just yesterday I moved an app and while the bench is still running, the results without any tuning what so ever are far better than any other collector combination after some extensive tuning. That said, the G1 still places a bit of a drag on low latency applications when compared to using iCMS but there are also fewer rough edges (ie failure cases and constraints on heap size). So, the situation for G1 has improved quite dramatically since I voiced my first concerns about removal of iCMS. I think we all need to thank the great work of everyone who’s been working on G1 for this.

Regards,
Kirk

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