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RE: Rolling upgrades - Zookeeper - [mail # user]
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...I don't think there is a problem if you do it as you say, or even if you ju st change the config files of all servers at once and restart them, because a majority of the new config nec...
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Author: Alexander Shraer,
2012-03-08, 23:39
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RE: Possibility / consequences of having multiple elected leaders - Zookeeper - [mail # user]
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...Thanks Ted, I can see your point. We use TCP connections and we do the epoch check at the beginning of the protocol, so a message from an old leader cannot just resurface. Alex F...
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Author: Alexander Shraer,
2012-03-08, 23:09
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RE: Possibility / consequences of having multiple elected leaders - Zookeeper - [mail # user]
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...I’ve been wondering about this for a while, and suspect that this check doesn’t exist in the code… but I may be wrong. From: Ted Dunning [mailto:[EMAIL PROTECTED]] Sent: Wednesday, Mar...
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Author: Alexander Shraer,
2012-03-08, 03:08
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RE: Possibility / consequences of having multiple elected leaders - Zookeeper - [mail # user]
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...Ted, can you please point me to the place in the code where this check is performed ? Thanks a lot, Alex ...
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Author: Alexander Shraer,
2012-03-08, 00:07
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Re: Setting Zookeeper server cluster on single host - Zookeeper - [mail # user]
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...you need to have a different set of ports for each server in the config files. Otherwise ports 5181 and 5888 just get taken by the first server... server.1=127.0.0.1:5181:5887 server.2...
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Author: Alexander Shraer,
2012-03-07, 15:12
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RE: Review Request: Add zk.updateServerList(newServerList) - Zookeeper - [mail # dev]
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...Hi Flavio, I forgot to mention, with regard to one of your comments This solves a problem I mentioned here: https://issues.apache.org/jira/browse/ZOOKEEPER-1343 You mentioned t...
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Author: Alexander Shraer,
2012-02-24, 20:16
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RE: Review Request: Add zk.updateServerList(newServerList) - Zookeeper - [mail # dev]
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...Hi Flavio, Thanks, and I agree with your comments. Regarding the last one I'll see if we can pass a Random object to StaticHostProvider so that we can initialize it with the same seed ...
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Author: Alexander Shraer,
2012-02-08, 23:50
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RE: Branch for reconfiguration (ZOOKEEPER-107)? - Zookeeper - [mail # dev]
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...Hi Flavio, I've been basically working on my own branch for many months now. The probl em is that the main trunk is changing all the time, and of course the merge is difficu lt as you ...
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Author: Alexander Shraer,
2012-01-20, 18:47
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RE: Performing no downtime hardware changes to a live zookeeper cluster - Zookeeper - [mail # dev]
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...Hi Neha, Camille, I wanted to share something we did as part of the dynamic membership change feature development (ZK-107) that seems very related to the discussion her e and mig...
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Author: Alexander Shraer,
2012-01-09, 22:23
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RE: Hybrid Server Lists - Zookeeper - [mail # user]
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...In some cases this may lead to split brain. This may happen if you have two servers S1 and S2, who's server lists L1 and L2 are such th at some quorum of L1 doesn't intersect with some...
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Author: Alexander Shraer,
2011-12-21, 19:59
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