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From ke...@deenlo.com
Subject Re: Review Request 19804: ACCUMULO-2519 Aborts upgrade if there are Fate transactions from an old version.
Date Thu, 03 Apr 2014 20:08:12 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/19804/#review39468
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server/src/main/java/org/apache/accumulo/server/master/Master.java
<https://reviews.apache.org/r/19804/#comment71859>

    this should be volatile because upgradeZookeeper() and upgradeMetadata() will be run by
separate threads.


- kturner


On April 2, 2014, 3:10 p.m., Sean Busbey wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/19804/
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> 
> (Updated April 2, 2014, 3:10 p.m.)
> 
> 
> Review request for accumulo and kturner.
> 
> 
> Bugs: ACCUMULO-2519
>     https://issues.apache.org/jira/browse/ACCUMULO-2519
> 
> 
> Repository: accumulo
> 
> 
> Description
> -------
> 
> Adds "make sure Fate has no outstanding items" to the upgrade instructions. Makes sure
the master and tabletservers don't take upgrade steps if they see fate ops waiting.
> 
> 
> Diffs
> -----
> 
>   README 115a9b7 
>   server/src/main/java/org/apache/accumulo/server/Accumulo.java 99ec7e4 
>   server/src/main/java/org/apache/accumulo/server/master/Master.java 8c4c864 
>   server/src/main/java/org/apache/accumulo/server/tabletserver/TabletServer.java d76946d

>   server/src/main/java/org/apache/accumulo/server/util/MetadataTable.java 7328a55 
> 
> Diff: https://reviews.apache.org/r/19804/diff/
> 
> 
> Testing
> -------
> 
> Took a 1.4.5-SNAP cluster
> 
> * loaded test data in a variety of table configs
> * alternate table creation and deletion
> * load additional table to cause !METADATA churn
> * shutdown cluster uncleanly
> * verified waiting Fate transactions (table deletion at success status)
> * verified waiting local WALs
> * verified waiting local WALs include !METADATA table (via LogReader)
> * verified /accumulo/version showed 4
> * Start upgrade to 1.5.2-SNAP
> * verified errors showing no upgrade and to go back to docs in: monitor, master logs,
tabletserver logs
> * verified same waiting Fate transactions
> * verified same waiting local WALs
> * verified /accumulo/version showed 4
> * Cleared Fate operations
> * Start upgrade to 1.5.2-SNAP
> * wait a terrifying long amount of time, check on progress via local logs
> * verify no errors shown for upgrade
> * verified WALs copied to HDFS
> * verified /accumulo/version showed 5
> * verified monitor showed normal start up
> * wait for all tablets to be hosted
> * verify test data
> 
> 
> Thanks,
> 
> Sean Busbey
> 
>


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