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Tune default outlier detection parameters for remote endpoints #207

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aattuluri
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@aattuluri aattuluri commented Apr 19, 2022

Context: #205

Change 1: Switching from consecutive5xxErrors to consecutiveGatewayErrors (to exclude 500s returned by upstream)
Change 2: Set max ejection percent to 100% to trigger failover to the other region when endpoints start having issues.

//Scenario 1: Only one endpoint present and is local service (ends in svc.cluster.local) - no outlier detection (optimize this for headless services in future?)
//Scenario 2: Only one endpoint present and is remote - outlier detection with 34% ejection (protection against zone specific issues)
//Scenario 3: Two endpoints present each with different locality and both remote - outlier detection with 100% ejection
//Scenario 4: Two endpoints present each with different locality with one local and other remote - outlier detection with 100% ejection
//Scenario 5: for service entries with more than 2 endpoints eject 100% to failover to other endpoint within or outside the same region

Signed-off-by: aattuluri <anil_attuluri@intuit.com>
Signed-off-by: aattuluri <anil_attuluri@intuit.com>
Signed-off-by: aattuluri <anil_attuluri@intuit.com>
Signed-off-by: aattuluri <anil_attuluri@intuit.com>
@aattuluri aattuluri added the WIP Work In Progress label Apr 19, 2022
@aattuluri aattuluri removed the WIP Work In Progress label Apr 21, 2022
@aattuluri aattuluri merged commit ecc771e into istio-ecosystem:master May 2, 2022
psikka1 pushed a commit to psikka1/admiral that referenced this pull request Jun 15, 2022
asushanthk pushed a commit that referenced this pull request Jul 21, 2022
itsLucario pushed a commit to itsLucario/admiral that referenced this pull request Aug 9, 2022
* Tune default outlier detection parameters for remote endpoints (istio-ecosystem#207)

* [bug] prevent panic when finding out rollout strategy (istio-ecosystem#210)

* prevent panic when finding out rollout strategy
Co-authored-by: Anubhav Aeron <anubhav_aeron@intuit.com>

* Optimize GlobalTrafficPolicy fetching and endpoint generation time (istio-ecosystem#206)

Co-authored-by: aattuluri <44482891+aattuluri@users.noreply.github.com>
Co-authored-by: Anubhav <anubhavaeron@gmail.com>
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2 participants