Any ideas folks? On Tue, Jul 8, 2014 at 4:26 PM, Shrinand Javadekar <shrin...@maginatics.com> wrote: > Hi, > > I have a question about the http connections made between the various > swift server processes. Particularly between the swift proxy server > and the swift object server. > > I see that these servers do not use a persistent http connection > between them. So every blob get/put/delete request will create a new > connection, use it and tear it down. In a highly concurrent > environment with thousands of such operations happening per second, > there could be two problems: > > i) Time required for creating the new connections could hamper performance. > ii) After the requests are complete, several connections will be in > the TIME_WAIT state and it might be possible that the proxy server and > object server node will run out of ports or fds. > > If the proxy and object servers are on the same machine, the problem > is exacerbated. I have one such instance and at one point saw ~30K > sockets in the TIME_WAIT state. Though, this would've included > connections with the account server and container server also. > > Does this analysis make sense? If yes, are there ways to do something > about it (other than asking clients to slow down :P)? > > Thanks in advance. > -Shri
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