sgtm On Thu, Mar 3, 2016 at 10:01 AM, Jie Yu <yujie....@gmail.com> wrote:
> Neil, thanks for the comments and the pointer! > > Just looked at the curl_multi_xxx() API. Yeah, I think we should be able > to use that API in our async environment. But we need to hook this with > our underlying libev/libevent based runtime, which might take a while to > finish. I'll create a ticket to track. > > In the meantime, I want to unblock people from using some of the new > features built on top of the 'curl' based fetcher. Since this is a pretty > simple dependency to add, I would suggest that we still proceed adding this > dependency. > > - Jie > > On Thu, Mar 3, 2016 at 9:37 AM, Neil Conway <neil.con...@gmail.com> wrote: > >> No objection to about the additional dependency, but using 'curl' >> instead of 'libcurl' seems unfortunate. Can you share some more >> detailed information about the problems that have been encountered >> using libcurl? e.g., was using the curl_multi_xxx() APIs explored? >> >> Neil >> >> On Thu, Mar 3, 2016 at 9:10 AM, Jie Yu <yujie....@gmail.com> wrote: >> > Hi, >> > >> > I am proposing making 'curl' a prerequisite when installing Mesos. >> > Currently, we require 'libcurl' being present when installing Mesos >> > (http://mesos.apache.org/gettingstarted/). However, we found that it >> does >> > not compose well with our asynchronous runtime environment (i.e., it'll >> > block the current worker thread). >> > >> > Recent work on URI fetcher uses 'curl' directly, instead of using >> 'libcurl' >> > to fetch artifacts, because it composes well with our async runtime env. >> > 'curl' is installed by default in most systems (e.g., OSX, centos, >> RHEL). >> > >> > So I am proposing adding 'curl' to our prerequisite list. Let me know >> if you >> > have any concern on this. I'll update the Getting Started doc if you >> are OK >> > with this change. >> > >> > Thanks, >> > - Jie >> > >> > >
