Re: Please review design proposal for tickets 47986 and 48976

[Ludwig Krispenz <lkrispen@xxxxxxxxxx>]

On 09/30/2016 02:15 AM, Noriko Hosoi wrote:

Hi Ludwig,

On 09/29/2016 05:43 AM, Ludwig Krispenz wrote:

This is the initial proposal, thanks for your feedback

http://www.port389.org/docs/389ds/design/delay-accepting-updates-after-init.html

Please help me understanding the design...

I'm having a bit hard time to figure out the relationship/dependency among these 3 config parameters.

sorry if I was not clear enough, I will update the doc, but let me try to explain here

nsslapd-replica-accept-updates-state: on/off
nsslapd-replica-accept-updates-delay: -1/0/n
nsslapd-replica-accept-updates-auto: on/off

Are they independent or dependent?  Do they take any combinations -- 2 * 3 * 2 == 12. 

no. the primary parameter is: nsslapd-replica-accept-updates-state
If it is off, the other determine when it should be set to on again (without an explicite change by an admin).
if it is on, the other two will not be used

independent of auto on/off the "delay" defines if(>=0) the state will be reset to on and when

the "auto" param determines if the server should in the defined "delay" it should try to detect if it is in sync and switch to "on" earlier.

There are 12 different behaviors?  (assuming n for -delay is one case :)

What is your recommendation to the customers?  I mean, what is the default setting?

that is a good question, there is the option to choose the default by what is "my" recommendation (auto: on, delay: n) or what is backward compatible (no change in default behaviour: auto off, delay: 0)

  For instance, if -auto is "on", when an online init is executed on the master, the scenario is automatically kicked in?

Thanks,
--noriko

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