cleanup ZK takes 40-60 seconds

[Vishal K <vi...@gmail.com>]

Hi,

We have embedded ZK server in our application. We start a thread in our
application and call QuorumPeerMain.InitializeArgs().

When cleaning-up ZK we call QuorumPeerMain.shutdown() and wait for the
thread that is calling InitializeArgs() to finish. These two steps are
taking around 60 seconds. I could probably not wait for InitializeArgs() to
finish and that might speed up things.

However, I am not sure why the cleanup should take such a long time. Can
anyone comment on this?

Thanks.
-Vishal

Re: cleanup ZK takes 40-60 seconds

[Ted Dunning <te...@gmail.com>]

I can't comment on the cleanup time, but I can suggest that it is normally
not a very good idea to embed Zookeeper in your application.  If your
application really is distributed, then having ZK survive the demise of any
particular instance is a really nice thing.  If ZK goes away with your
application then you lose a lot of the power of having a reliable and
independent coordination service.

I have, as they say, been there and done that.  It was not a happy
experience.

You know what you are doing much more than I possibly could, so embedding ZK
might actually make sense.  I really don't think so, though.

On Fri, Jul 16, 2010 at 6:28 PM, Vishal K <vi...@gmail.com> wrote:

> However, I am not sure why the cleanup should take such a long time. Can
> anyone comment on this?
>