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Re: [VOTE] Release ZooKeeper 3.4.5 (candidate 0) - Zookeeper - [mail # dev]
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...Seems reasonable. I just got builds@ to add openjdk6/7 support to jenkins, I plan to add jobs for those as well. Patrick On Thu, Oct 4, 2012 at 5:04 PM, Ted Yu wrote:...
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Author: Patrick Hunt,
2012-10-05, 00:07
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Re: [VOTE] Release ZooKeeper 3.4.5 (candidate 0) - Zookeeper - [mail # dev]
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...Not sure if it's a blocker or some intermittent test issue, but I just filed this. Jenkins sasl test failure on jdk7: https://issues.apache.org/jira/browse/ZOOKEEPER-1557 Patrick ...
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Author: Patrick Hunt,
2012-10-04, 23:13
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Re: [VOTE] Release ZooKeeper 3.4.5 (candidate 0) - Zookeeper - [mail # dev]
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...+1, sig/xsum are correct, ran rat an that looked good. All the unit tests pass for me on jdk6 and openjdk7 (ubuntu 12.04). Also ran 1/3/5/13 server clusters using openjdk7, everything seems ...
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Author: Patrick Hunt,
2012-10-04, 06:34
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Re: Upgrading an ensemble from 3.3.5 to 3.4.4 - Zookeeper - [mail # user]
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...That's also fine, but also not extensively tested. Many users do rolling upgrades, but typically that would cover "one hop" server version upgrade, but given we only do bug fixes in fix rele...
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Author: Patrick Hunt,
2012-10-04, 06:08
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Re: zookeeper on SSD - Zookeeper - [mail # user]
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...On Wed, Oct 3, 2012 at 9:12 PM, Jun Rao wrote: Yes (it's necessary for the guarantees we provide), although the servers do batching of writes to improve throughput. This doc give...
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Author: Patrick Hunt,
2012-10-04, 04:28
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Re: zookeeper on SSD - Zookeeper - [mail # user]
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...My experience with SSDs and ZK has been discouraging. SSDs have some really terrible corner cases for latency. I've seen them take 40+ seconds (that's not a mistake - seconds) for fsync to c...
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Author: Patrick Hunt,
2012-10-04, 01:13
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Re: Upgrading an ensemble from 3.3.5 to 3.4.4 - Zookeeper - [mail # user]
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...On Mon, Oct 1, 2012 at 10:58 AM, Jordan Zimmerman wrote: 3.3 clients should work fine with 3.4 servers. 3.4 clients should work fine with 3.3 servers as long as you don't use any...
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Author: Patrick Hunt,
2012-10-02, 00:47
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Re: Is quorum lost when leader goes down? - Zookeeper - [mail # user]
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...On Mon, Oct 1, 2012 at 3:34 PM, Jordan Zimmerman wrote: yes. All servers stop serving client connections during re-election. The client tcp connections are all closed. Onc...
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Author: Patrick Hunt,
2012-10-02, 00:43
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Re: Zookeeper delay to reconnect - Zookeeper - [mail # user]
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...Hi Brian, well, in my proposal the default would be the current behavior. With the discretion of the zk operator to change, so it shouldn't be any worse. You've piqued my interest - a ...
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Author: Patrick Hunt,
2012-09-28, 00:07
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Re: Zookeeper delay to reconnect - Zookeeper - [mail # user]
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...The random sleep was explicitly added to reduce herd effects and general "spinning client" problems iirc. Keep in mind that ZK generally trades of performance for availability. It wouldn't b...
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Author: Patrick Hunt,
2012-09-27, 23:55
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