On 1 June 2012 14:29, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Surely that commit is useless. Fsync requests go into a queue in shared
> memory, which had better have been set up by the postmaster. There is
> no requirement that the receiving process exist before somebody can put
> a request into the queue. If the queue overflows, the requestor has to
> take care of the fsync itself, but that is independent of whether the
> checkpointer is running yet.
The problem I saw was about fsync queue message overflow, not actually
missing fsyncs, so perhaps I worded the commit message poorly.
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