[tarantool-patches] Re: [PATCH v2 3/3] swim: introduce suspicion
Konstantin Osipov
kostja at tarantool.org
Thu Apr 25 13:44:47 MSK 2019
* Vladislav Shpilevoy <v.shpilevoy at tarantool.org> [19/04/25 00:46]:
> Suspicion component is a way how SWIM protects from
> false-positive failure detections. When the network is slow, or
> a SWIM node does not manage to process messages in time because
> of being overloaded, other nodes will not receive ACKs in time,
> but it is too soon to declare the member dead.
>
> The nodes will mark the member as suspected, and will ping it
> indirectly, via other members. It 1) gives the suspected member
> more time to respond on ACKs, 2) protects from the case when it
> is a network problem on particular channels.
>
> Part of #3234
OK to push.
--
Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.io - www.twitter.com/kostja_osipov
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