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On 13/04/2015 07:24 ??, Joseph Lynch wrote: > Hello, > > I published an article today on Yelp's engineering blog > (http://engineeringblog.yelp.com/2015/04/true-zero-downtime-haproxy-re loads.html) > > that shows a technique we use for low latency, zero downtime restarts of > HAProxy. This solves the "when I restart HAProxy some of my clients > get RSTs" problems that can occur. We built it to solve the RSTs in > our internal load balancing, so there is a little more work to be > done to modify the method to work with external traffic, which I > talk about in the post. > thanks for sharing this very detailed article. You wrote that 'As of version 1.5.11, HAProxy does not support zero downtime restarts or reloads of configuration. Instead, it supports fast...' Was zero downtime supported before 1.5.11? I believe not. Cheers, Pavlos -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJVLM1AAAoJEIP8ktofcXa5c68P/jVowVkpPduCSXX9I4UzoCe4 NjpboenXCJJb3ubvoHvWVJE4DTv2WfQMbAUXH//0NnPhO6RvxMKCQ8Qa2QmtS4UF kIn1FSJ/Olbo4Kf4jlH80gjiammFSvo6Dc7v/IPdYhgvTTOeKDNcV/tR5NvQG9yJ y7Y6aFHgrZtgcOriIv/reus77L4USDFRDikzrPrI/J2wWCZDSkjsJPF+YNrENcm3 kiOSbVo6ZF1EByM16vruOua2i0fG6MmnM73TVZwLqfKNYJfLP0VwB2FoJYI4JyKR K77jdDStDg8PUYEUcwhAr5eFzSaJUglnbYA7zNHaDGQWyu0LE26gFw4AMCB8jDaE 4bveTI9sLnD4PPbIIpscDtOc0zp+xeSY3DLh+v2TP7YbMncjkyGsHGGhj9a7AxFf Ne6WKHcbh2szLfvvAYxRZWr8ltl5xIud03p75HBMYUGRf37RlOcK7cBhMEHiPaCM hF26KEZFem6AUjlB6TyOXYg0WlifR0o1Z+gm8FT+0my4fDLp82XJ+2O0Vg5Cc9Np iNcdEYB6x2W2zhlhwpCIa+JVeLyBmpPo9gUzhPRi/jwhvnrwD8IJV2e+jN5VATr8 8sR/ht8GZLtQ1ZviXt31BtEGQwPAH4g7eRuHLbNSEIrDFjb+w23Ki62gvn3NEGe8 JGouYKKyFMcMgZdwJHM0 =WCRB -----END PGP SIGNATURE-----