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Allow to use Etcd as a replacement for ZooKeeper#10376

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levysh wants to merge 46 commits intoClickHouse:masterfrom
levysh:etcdkeeper
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Allow to use Etcd as a replacement for ZooKeeper#10376
levysh wants to merge 46 commits intoClickHouse:masterfrom
levysh:etcdkeeper

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@levysh
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@levysh levysh commented Apr 20, 2020

I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en

Changelog category (leave one):

  • New Feature

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Added Etcd for replica coordination. Closes #777 #479

@alexey-milovidov alexey-milovidov changed the title etcdkeeper Allow to use Etcd as a replacement for ZooKeeper Apr 20, 2020
@levysh levysh force-pushed the etcdkeeper branch 2 times, most recently from 7e9854b to 6bfbe33 Compare May 13, 2020 15:52
@socketpair
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#1765

@nikitamikhaylov nikitamikhaylov self-assigned this Jul 14, 2020
@nikitamikhaylov nikitamikhaylov marked this pull request as ready for review July 15, 2020 13:56
@robot-clickhouse robot-clickhouse added doc-alert pr-feature Pull request with new product feature labels Jul 15, 2020
@nikitamikhaylov nikitamikhaylov removed their assignment Sep 28, 2020
@CpuID
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CpuID commented Oct 2, 2020

Just curious - how complete is this implementation so far? Viable for testing yet? Still needs more work?

@alexey-milovidov
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@CpuID No, it's not ready for testing, because it does not pass CI tests.
There are known scenarios where it does not work correctly.

@alexey-milovidov
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As far as I remember, there are some difficulties in adapting the semantics of watches. It is still in question whether it is possible to make it production ready.

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CpuID commented Oct 3, 2020

Thanks for the update. Doesn't sound positive :(

@nikitamikhaylov nikitamikhaylov mentioned this pull request Nov 27, 2020
@alexey-milovidov
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Migrated here: #17495

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pr-feature Pull request with new product feature submodule changed At least one submodule changed in this PR.

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Using zetcd instead Zookeeper

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