On Saturday, July 6, 2013 4:01:31 PM UTC-4, tbc++ wrote: > > Go blocks are GC'd but not until they complete running. The problem is > that you're creating go blocks faster than they can run. Creating go blocks > is very cheap, taking/putting into channels is also cheap but not quite as > cheap. Therefore the outer loop will eventually allocate so many blocks > that you're run OOM. > > Timothy > > Looking at the oom heap dump, the ManyToManyChannel instances have deeply nested graphs via LinkedBlockingQueue$Node instances. Seems that the problem is not just rapid allocations.
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