alesapin

3 ms·

1. 1.▲
   by alesapin 3y ago

   1. Absolutely. clickhouse-keeper is distributed as a standalone static binary or .deb package or .rpm package. You can use it without clickhouse as ZooKeeper replacement. 2. It's not recommended to use slow storage devices for logs in
2. 2.▲
   by alesapin 3y ago

   Yes, you are right ClickHouse Keeper is based on NuRaft. We did a lot of modifications for this library, both for correctness and performance. Almost all of them (need to check) are contributed back to upstream ebay/NuRaft library.
3. 3.▲
   by alesapin 3y ago

   Yes, for internal RAFT implementation boost.asio is used.
4. 4.▲
   by alesapin 3y ago

   All ZooKeeper libraries are compatible with clickhouse-keeper. The most popular and mature is https://kazoo.readthedocs.io/en/latest/ . We use it in our integration tests framework (with clickhouse-keeper) a lot.
5. 5.▲
   by alesapin 7y ago

   Usage of multi-armed bandits for low-level optimizations looks fairly unusual, I cannot remember any other examples in open-source codebases.