Murder question

Rob Siemborski rjs3 at andrew.cmu.edu
Fri Apr 2 14:06:17 EST 2004


On Thu, 1 Apr 2004, Etienne Goyer wrote:

> In a Murder, if I understand correctly, it is the frontend who initiate
> the connection with the mupdate master.  I suppose when the mupdate
> master is shutted down and restarted, this connection is lost.  How/when
> does the frontend reconnect to the mupdate master to receive update?
> Does the frontend try reconnecting to the mupdate master at fixed
> interval, or on a specific event ?  Is this configurable ?

It is a random interval, the base value of which is specified by
mupdate_retry_delay.  The reason it is random is so that when all the
frontends lose connections at the same time, they don't all crush the
mupdate master with requests when they come back.

-Rob

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper

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