Perlbal 1.37

[Brad Fitzpatrick]

It shouldn't even start up if you have too old of a Danga::Socket.

That said, even if it requires 1.45 and you have 1.47, that should work
too.


On Thu, 1 Sep 2005, Kevin Lewandowski wrote:

> Which version of Danga::Socket does this require?
>
> thanks
>
> On Aug 29, 2005, at 8:52 PM, Brad Fitzpatrick wrote:
>
> > New Perlbal release, leading up to 1.40:
> >
> >    http://danga.com/dist/Perlbal/Perlbal-1.37.tar.gz
> >
> > This version has been in production on LiveJournal for 5 or 6 days
> > now.  (along with XS headers, version 0.18)
> >
> > Notice the huge number of changes from 1.36 to 1.37:
> >
> > 1.37 (beta for 1.40) 2005-08-29
> >
> >     -- "use <name>" command to set the direct object for future
> > commands
> >
> >     -- AccessControl plugin to allow/deny by default or on IPs or
> >        netmasks.
> >
> >     -- ClientManage could spin in its inherited event_write, causing
> >        99.9% cpu usage.  Bug is arguably Danga::Socket's, but also
> >        ours because it's documented what we should do and we didn't.
> >        The fix is to shut down watching writability when we're done
> >        writing.
> >
> >     -- make accept_client and its callers deal with the possibility
> >        that accept_client fails not because the backend is bogus, but
> >        because the client is.  so now accept_client can close the
> >        client and callers have to be aware of that.
> >
> >     -- after running this version on production on LiveJournal.com for
> >        a bit, we discovered some cases that we'd flag as should
> > never happen,
> >        but actually do, so updated the comments and behavior to
> >        do the right thing and not just crash with an assertion.
> >
> >     -- fix misspellings of trusted_upstream_proxies that didn't
> >        come along for the renaming ride earlier
> >
> >     -- webserver mode now ignores URL arguments when looking up
> >        filename
> >
> >     -- remove warnings accessing undefs in ranges and vhosts
> >
> >     -- new --version and --help flags.  also a usage message on bogus
> >        options (or when --help).  props to Jacques Marneweck
> >        <jacques at powertrip.co.za> for the help and motivation.
> >
> > Known issues:
> >
> > Two warnings come up occasionally (every couple minutes) that
> > should never happen.  They used to crash the server, but for now
> > they just complain to stderr and close the respective connections.
> > These two warnings are:
> >
> > 1)
> >
> > INTERNAL ERROR: event_read called on when we're expecting no more
> > bytes.  len=286, content=[GET /userpic/33753813/1028465 HTTP/1.0
> > Accept-Encoding: gzip, deflate
> > User-Age]
> >         Perlbal::ClientProxy::event_read('Perlbal::ClientProxy=ARRAY
> > (0x8d38778)') called at /usr/share/perl5/Danga/Socket.pm line 476
> >         Danga::Socket::EpollEventLoop('Perlbal::Socket') called at
> > lib/Perlbal.pm line 999
> >         eval {...} called at lib/Perlbal.pm line 997
> >         Perlbal::run() called at /usr/bin/perlbal line 102
> >
> > And
> >
> > 2)
> >
> > Undef client_ip (Perlbal::ClientProxy=ARRAY(0x8d261e0)) in
> > assign_client.  Closing. at lib/Perlbal/BackendHTTP.pm line 177.
> >
> >
> > I'd like to get those fixed before a 1.40 release.
> >
> > I also plan to do some profiling to see if there are any obvious
> > opportunities for performance improvements, and to check that I didn't
> > introduce any new performance problems.
> >
> > - Brad
> >
> >
> >
> >
> >
> >
>
>