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From Josh Elser <>
Subject Re: Mini Accumulo Cluster reusing the directory
Date Wed, 16 Sep 2015 16:20:50 GMT
n/m, didn't read the whole thread. Sounds like ACCUMULO-1378 does 
capture what you asked for :)

Josh Elser wrote:
> Best as I can tell, we don't actually have the ability to do this.
> We can use external ZooKeeper servers and we can start a MAC instance on
> top of an already running ZK from a different MAC instance, but it
> doesn't look like we have the ability to reuse the same storage directory.
> That sounds like a useful improvement to me. I'm not sure if there are
> any edge cases that make this hard (haven't thought enough about it).
> Want to open a JIRA issue for it, Sven?
> - Josh
> Sven Hodapp wrote:
>> Hi there,
>> is it possible for MiniAccumuloCluster to reuse a given directory?
>> Sadly, I haven't found anything in the docs?
>> I’ll fire up my instance like this:
>> val dict = new File("/tmp/accumulo-mini-cluster")
>> val accumulo = new MiniAccumuloCluster(dict, "test“)
>> If I’ll restart my JVM it will raise a error like this:
>> Exception in thread "main" java.lang.IllegalArgumentException:
>> Directory /tmp/accumulo-mini-cluster is not empty
>> It would be nice if the data can survive a JVM restart and the folder
>> structure must not be constructed every time.
>> Thanks a lot!
>> Regards,
>> Sven

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