Hi,

Request is always routed to a correct node. If a request is a routed to a node, 
that is an owner for a key according to the current topology version but the 
node doesn’t have the key due to the rebalancing that is in progress, than the 
request will be re-routed to the previous owner and you will always receive a 
valid value.

—
Denis

> On Jul 3, 2016, at 5:24 AM, 往事如烟 <[email protected]> wrote:
> 
> Tthanks for vkulichenko's response,  however, the information is not enough,  
> for example, if the request route to a wrong node (it possible happen during 
> rebalance),  how ignite solute this problem? return fail? if return fail, 
> it means rebalance will impact client access.
> 
> ------------------ Original ------------------
> From:  "vkulichenko";<[email protected]>;
> Date:  Sat, Jul 2, 2016 07:22 AM
> To:  "user"<[email protected]>;
> Subject:  Re: is there any document to introduce the high availability 
> ofIgnite ?
> 
> Hi,
> 
> You can find some information about rebalancing here:
> https://apacheignite.readme.io/docs/rebalancing
> 
> The process is transparent to the client, meaning that if there is an
> ongoing rebalancing, the client can still access all the data and Ignite
> still guarantees consistency.
> 
> -Val
> 
> 
> 
> --
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