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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Some questions about Zookeeper 3.2.0
Date Sun, 28 Jun 2009 18:15:36 GMT
I don't think you should be very nervous at all.

There are two questions:

1) can 3.1.1 go to 3.2 with no down time.  This is very likely, but a wiser
head than mine should have final say

2) can 3.1.1 go to 3.2 with < 1 minute of downtime.  The is for sure.

Neither option involves data loss.

ZK is actually really really good for HA operations.

On Sun, Jun 28, 2009 at 4:55 AM, Qian Ye <yeqian.zju@gmail.com> wrote:

> your answer makes me nervous about upgrade Zookeeper
> server
>

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