Tom Lane <t...@sss.pgh.pa.us> wrote: > Scott Carey <sc...@richrelevance.com> writes: >> Gzip does have some quirky performance behavior depending on the >> chunk size of data you stream into it. > > Can you enlarge on that comment? I'm not sure that pg_dump is aware > that there's anything to worry about there. If the library used here is anything like the native library used by Java, it'd be worth putting a buffer layer ahead of the calls to gzip, so it isn't dealing with each individual value as a separate call. I seem to remember running into that issue in Java, where throwing a BufferedOutputStream in there fixed the performance issue. -Kevin
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