Re: {bb} unable to contact BBD

[Henrik Storner <henrik-bb@hswn.dk>]

In <7eeb9e7f050308144627ee5879@mail.gmail.com> Ben Pitzer <bpitzer@gmail.com> writes:

>I have gotten everything taken care of that I know how to do, and now
>I'm getting this problem in BBOUT:

>Tue Mar  8 17:39:40 2005 fping.sh Tue Mar  8 17:39:40 2005
>bb CONNECTION TO my-bb-host.domain.tld TIMED OUT...
>Tue Mar  8 17:39:40 2005 fping.sh Tue Mar  8 17:39:40 2005 bb CAN'T
>CONNECT TO bbd SERVER @ my-bb-host.domain.tld

>It appears that fping.sh is my culprit here, but I have no idea what
>the deal is.  I'm trying to build a BB 1.9e server on Solaris 8. 
>bbtest reports 610 seconds taken up in the reporting phase

First, why are you running both bbtest-net (from bbgen, I suppose) and
fping.sh ? bbtest-net has built-in fping support so you'll end up with
two sets of ping-tests.

As for the error you are seeing - how many hosts do you have ? I used
to see this a lot with a Solaris 8 box that just couldn't handle the
sudden reporting of network-test statuses from 2000 hosts. Some things
to check:

* Solaris' default TIME_WAIT period is ridiculous, and causes it to
  keep bbd-processes hanging around forever. A workaround is to run
    /usr/sbin/ndd -set /dev/tcp tcp_time_wait_interval 30000

* Consider using a tmpfs filesystem for the bbvar/logs/ and
  bb/www/html/ directories. This does speed things up, since you
  avoid the disk-I/O that is done with every status message.

* Consider using the bbgen "bbproxy" tool as an front-end to your bbd
  daemon. bbproxy has a built-in queuing mechanism so it can absorb
  bursts of messages and pass them on to bbd at a smoother pace. It
  also merges lots of small messages into large combo-messages, which
  means fewer connections to your bbd and fewer spawned processes to
  handle them.


Regards,
Henrik
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