Thanks! Trying now... After bumping to your latest releases, s6-tai64n now shows line-buffered behavior.
Close enough! On Tue, Oct 20, 2015 at 1:54 AM, Laurent Bercot <[email protected]> wrote: > On 20/10/2015 02:16, Buck Evan wrote: > >> My canonical slowly-printing example is: >> >> yes hello world | pv -qL 10 | tai64n >> >> Under daemontools classic you'll see the output gradually appear character >> by character, with timestamps. >> Under s6, this seems to hang and I ctrl-c it. I'm sure if I waited a good >> long while it would print, but this shows the difference in usability. >> > > s6-tai64n flushes its stdout before going back to read its stdin again. > It will never keep unflushed logs in memory. > > You are very likely using a version of s6-tai64n linked against a shared > libskarnet.so.2.3.7.0 or earlier, which sometimes flushes stdout > incorrectly. Please grab the latest skalibs and recompile. (Or use the > static version of libskarnet, which does not exhibit the bug.) > > -- > Laurent > >
