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What are you looking to do? Provision these services once and then leave them or are they something you want to be able to auto-scale? From my experience zooke

What are you looking to do? Provision these services once and then leave them or are they something you want to be able to auto-scale? From my experience zookeeper is rock solid from an operations perspective when built on top of the right infrastructure (follow their best practices) but if you want something that you can scale via automation it's kind of a pain. We were able to hack up some stuff to do it but it wasn't ideal. Additionally I feel that their documentation and API are a little less friendly compared to the others. It also feels much "heavier" compared to etcd in my opinion. I haven't touched etcd in over 6 months and it's my understanding that it has changed quite a bit so keep that in mind. I felt the provisioning process for etcd was a bit painful at the start but once you had a cluster up and running it was easy to add new nodes. The API was really easy to get started with as well but being such a fast moving project there were a couple of times where the documentation I had found ended up being out-of-date aka wrong. Have you looked at consul by chance? We actually ended up using it as it seemed to be a good fit between stability, ease of use and maintainability.

jaytaylor 11y ago
> What are you looking to do? Provision these services once and then leave them or are they something you want to be able to auto-scale? Lately I've been doing Leader Election and Service Discovery with ZooKeeper. I've really appreciated the excellent documentation and thoroughness of the best-practices information. > ...It also feels much "heavier" compared to etcd in my opinion. Agreed 100% there. ZK also imposes some [rather harsh] limitations - e.g. 1MB max response packet size. Not sure how this compares to the limits of etcd or Consul. > Have you looked at consul by chance? We actually ended up using it as it seemed to be a good fit between stability, ease of use and maintainability. This is not the first time I've seen Consul mentioned. I'll definitely add it to my list of possible future fits :) The operability of ZooKeeper seems unparalleled, likely [largely] due to being the most mature OSS solution in existence for this domain.

jaytaylor 11y ago

> What are you looking to do? Provision these services once and then leave them or are they something you want to be able to auto-scale? Lately I've been doing Leader Election and Service Discovery with ZooKeeper. I've really appreciated the excellent documentation and thoroughness of the best-practices information. > ...It also feels much "heavier" compared to etcd in my opinion. Agreed 100% there. ZK also imposes some [rather harsh] limitations - e.g. 1MB max response packet size. Not sure how this compares to the limits of etcd or Consul. > Have you looked at consul by chance? We actually ended up using it as it seemed to be a good fit between stability, ease of use and maintainability. This is not the first time I've seen Consul mentioned. I'll definitely add it to my list of possible future fits :) The operability of ZooKeeper seems unparalleled, likely [largely] due to being the most mature OSS solution in existence for this domain.