2014-02-12 18:59, Бородин Владимир <root(at)simply(dot)name>:
> I have read several topics [1, 2, 3, 4] with similar problems but haven't
> find a good solution. Below is some more diagnostics.
I reported the second one. The diagnostics was very similar to yours.
I think a lot people experienced this problem with big servers. It was
only because of large shared_buffers. The problem disappeared after
we reduced it to 2 GB.