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Updates to resiliency documentation #16658

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merged 1 commit into from
Feb 19, 2016

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ywelsch
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@ywelsch ywelsch commented Feb 14, 2016

Made the following updates:

  • Moved "Use two phase commit for Cluster State publishing" to new "Completed but unreleased yet" section
  • Moved "Make index creation more user friendly" a bit down and commented on linked issue Make index creation more user-friendly #9126 (awaiting response there)
  • A few additions to "OOM resiliency" and "Loss of documents during network partition"
  • Added a new paragraph "Safe shard topology changes"

@ywelsch ywelsch added the >docs General docs changes label Feb 14, 2016
@@ -113,15 +90,27 @@ space. The following issues have been identified:
* Set a hard limit on `from`/`size` parameters {GIT}9311[#9311]. (STATUS: DONE, v2.1.0)
* Prevent combinatorial explosion in aggregations from causing OOM {GIT}8081[#8081]. (STATUS: ONGOING)
* Add the byte size of each hit to the request circuit breaker {GIT}9310[#9310]. (STATUS: ONGOING)
* Limit the size of requests {GIT}16011[#16011]. (STATUS: ONGOING)
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maybe "limit the size of single requests and add a circuit breaker for the total memory used for inflight request objects"?

@bleskes
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bleskes commented Feb 15, 2016

Thanks @ywelsch SO much for picking this up :) . I left some comments.

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bleskes commented Feb 15, 2016

@ywelsch we should probably add something about delayed allocation on node leave and synced flush (resilient to network hickups/long GC)

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ywelsch commented Feb 18, 2016

@bleskes updated the docs with your suggestions (apart from your last comment on delayed allocation on node leave and synced flush)

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bleskes commented Feb 19, 2016

LGTM. Thanks Yannick,

ywelsch pushed a commit that referenced this pull request Feb 19, 2016
@ywelsch ywelsch merged commit 995753b into elastic:master Feb 19, 2016
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