On Tue, Dec 22, 2020 at 2:33 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > I'd assume that there's a direct correlation between the compression level > setting and the window size; but I've not studied the libzstd docs in > enough detail to know what it is.
But there is a privilege boundary between the sender and the receiver. What's alleged here is that the sender can do a thing which causes the receiver to burn through tons of memory. It doesn't help anything to say, well, the sender ought to use a window size of N or less. What if they don't? -- Robert Haas EDB: http://www.enterprisedb.com
