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Re: Timeouts and ping handling - Zookeeper - [mail # dev]
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...I think it can be done. Looking through the code, it seems like it should be safe modulo some stats that are set in the FinalRequestProcessor that may be less useful. A question for th...
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Author: Camille Fournier,
2012-01-18, 22:03
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Re: ZooKeeper-442: watcher deregistration - Zookeeper - [mail # dev]
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...It would really be better if you put these comments into reviewboard, so they will appear there and on the associated JIRA. The mailing list is a bad place for code reviews. Thanks! Ca...
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Author: Camille Fournier,
2012-01-17, 21:42
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Re: Backups - Zookeeper - [mail # user]
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...Not all the instances, any instance. Which would be a bit simpler than having to look for leader then back up only that one. C On Mon, Jan 16, 2012 at 8:42 PM, Jordan Zimmerman w...
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Author: Camille Fournier,
2012-01-17, 01:49
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Re: Question regarding ZK behaviour during leader reelection - Zookeeper - [mail # user]
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...Yes your clients always need to handle state changes gracefully, and absolutely, disconnect will happen when there is a change in leadership. C On Mon, Jan 16, 2012 at 1:28 PM, y...
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Author: Camille Fournier,
2012-01-16, 18:39
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Re: All zk clients receive a Disconnected when leader server is restarted. - Zookeeper - [mail # user]
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...Yes, that is expected. The ZK cluster will lose quorum, which causes the disconnected event to be sent to the clients. When quorum is regained the clients will be able to reconnect. C ...
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Author: Camille Fournier,
2012-01-16, 14:41
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Re: Backups - Zookeeper - [mail # user]
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...You want to have to figure out who the leader is every time you want to take a backup? That would be the downside to this strategy I would think. C On Jan 13, 2012 5:24 PM, "Jord...
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Author: Camille Fournier,
2012-01-13, 22:28
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Re: Performing no downtime hardware changes to a live zookeeper cluster - Zookeeper - [mail # dev]
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...Sounds fine with me, probably should make it a flaggable option. C On Mon, Jan 9, 2012 at 3:33 PM, Neha Narkhede wrote: ...
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Author: Camille Fournier,
2012-01-09, 20:47
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Re: Performing no downtime hardware changes to a live zookeeper cluster - Zookeeper - [mail # dev]
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...We don't shuffle IPs after the initial resolution of IP addresses. In DNS RR, you resolve to a list of IPs, shuffle these, and then we round robin through them trying to connect. If yo...
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Author: Camille Fournier,
2012-01-09, 19:04
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Re: Performing no downtime hardware changes to a live zookeeper cluster - Zookeeper - [mail # dev]
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...You can't sensibly round robin within the client code if you re-resolve on every reconnect, if you're using dns rr. If that's your goal you'd want a list of dns alias names and re-resolve ea...
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Author: Camille Fournier,
2012-01-09, 18:31
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Re: Zookeeper-3.4.2: About zookeeper-3.4.2-fatjar.jar - Zookeeper - [mail # user]
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...These are for testing, for the most part. netty is an optional new connection manager in 3.4. We also depend on the logging jars for running in production. You can't replace the outdat...
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Author: Camille Fournier,
2012-01-06, 16:46
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