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From "John Vines" <vi...@apache.org>
Subject Re: Review Request 23397: ACCUMULO-2984 Support Running MAC against a standard instance
Date Mon, 20 Oct 2014 21:09:26 GMT


> On Oct. 20, 2014, 9:02 p.m., kturner wrote:
> > minicluster/src/main/java/org/apache/accumulo/minicluster/impl/MiniAccumuloClusterImpl.java,
line 471
> > <https://reviews.apache.org/r/23397/diff/7/?file=726322#file726322line471>
> >
> >     In the IT I wrote, this code is causing problems.  The following situation is
occuring.
> >     
> >      * Create MAC to connection to Accumulo instance 1
> >      * Stop ZK1 for Accumulo instance 1
> >      * Create MAC to connection to Accumulo instance 2 (Accumulo instance 2 uses
ZK2)
> >     
> >     I think the code gets stuck trying to connect to ZK1, when trying to connection
to Accumulo instance 2

So you're expecting this to work with a new zookeeper? Standard Accumulo doesn't work with
a new ZK instance, why would you expect the MAC equivalent to?


- John


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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/23397/#review57431
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On Oct. 20, 2014, 8:09 p.m., John Vines wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/23397/
> -----------------------------------------------------------
> 
> (Updated Oct. 20, 2014, 8:09 p.m.)
> 
> 
> Review request for accumulo.
> 
> 
> Bugs: ACCUMULO-2984
>     https://issues.apache.org/jira/browse/ACCUMULO-2984
> 
> 
> Repository: accumulo
> 
> 
> Description
> -------
> 
> Adds a change to SiteConfiguration to allow external setting of the xml configuration
file.
> Adds a single method to MiniAccumuloConfig which allows a user to point to accumulo-site.xml
and HADOOP_CONF_DIR to use for pulling out requisite instance information
> Clusters configurations into those required to run inside a MAC-sized footprint and those
which are for arbitrary naming schemes for MAC
> Provides flagging to prevent uneccessary folder creation
> Provides flagging to prevent running zookeeper and initializing
> 
> 
> Diffs
> -----
> 
>   core/src/main/java/org/apache/accumulo/core/conf/SiteConfiguration.java 9b65e7d 
>   minicluster/src/main/java/org/apache/accumulo/minicluster/MiniAccumuloConfig.java be80f85

>   minicluster/src/main/java/org/apache/accumulo/minicluster/impl/MiniAccumuloClusterImpl.java
5d8501e 
>   minicluster/src/main/java/org/apache/accumulo/minicluster/impl/MiniAccumuloConfigImpl.java
e9ad045 
>   server/base/src/main/java/org/apache/accumulo/server/util/AccumuloStatus.java PRE-CREATION

> 
> Diff: https://reviews.apache.org/r/23397/diff/
> 
> 
> Testing
> -------
> 
> Ran the following test code-
> public class TestMACWithRealInstance {
>   public static void main(String args[]) throws IOException, AccumuloException, AccumuloSecurityException,
TableExistsException, InterruptedException {
>     MiniAccumuloConfig macConfig = new MiniAccumuloConfig(new File("/tmp/mac"), "secret");
>     macConfig.setNumTservers(2);
>     macConfig.setMemory(ServerType.TABLET_SERVER, 2, MemoryUnit.GIGABYTE);
>     macConfig.useExistingInstance(new File("/usr/lib/accumulo/conf/accumulo-site.xml"),
new File("/usr/lib/hadoop/conf"));
>     MiniAccumuloCluster mac = new MiniAccumuloCluster(macConfig);
>     mac.start();
>     System.out.println("Started");
>     mac.getConnector("root", "secret").tableOperations().create("macCreated");
>     System.out.println("Stopping");
>     mac.stop();
>     System.out.println("Stopped");
>   }
> }
> Which runs fine, except stopping issues which seem to be related to ACCUMULO-2985
> 
> After running this, I validated that the table was created in the real accumulo instance
via zkCli
> 
> 
> Thanks,
> 
> John Vines
> 
>


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