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From "Cathy Daw (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2950) Data from truncated Counter CF reappears after server restart
Date Wed, 27 Jul 2011 01:39:10 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071475#comment-13071475
] 

Cathy Daw commented on CASSANDRA-2950:
--------------------------------------

This is a general issue with all CF's. updating bug.

> Data from truncated Counter CF reappears after server restart
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-2950
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2950
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Cathy Daw
>            Assignee: Sylvain Lebresne
>
> * Configure 3 node cluster
> * Ensure the java stress tool creates Keyspace1 with RF=3
> {code}
> // Run Stress Tool to generate 10 keys, 1 column
> stress --operation=COUNTER_ADD --family-type=Standard --num-keys=1000 --num-different-keys=10
--columns=1 --consistency-level=QUORUM --average-size-values --replication-factor=3 --nodes=node1,node1
> // Verify 10 keys in CLI
> use Keyspace1; 
> list Counter1; 
> //TRUNCATE CF in CLI
> use Keyspace1;
> truncate counter1;
> list counter1;
> // Run stress tool and verify creation of 1 key with 1 column valued @ 1000
> stress --operation=COUNTER_ADD --family-type=Standard --num-keys=1000 --num-different-keys=1
--columns=1 --consistency-level=QUORUM --average-size-values --replication-factor=3 --nodes=node1,node1
> // Run stress tool and verify update of existing key -- Final result is 2 columns valued
at 1500, 500.
> stress --operation=COUNTER_ADD --family-type=Standard --num-keys=500 --num-different-keys=1
--columns=2 --consistency-level=QUORUM --average-size-values --replication-factor=3 --nodes=node1,node1
> // Run stress tool and verify update of existing key -- Final result is 3 columns valued
at 2100, 1100, 600.
> stress --operation=COUNTER_ADD --family-type=Standard --num-keys=600 --num-different-keys=1
--columns=3 --consistency-level=QUORUM --average-size-values --replication-factor=3 --nodes=node1,node1
> {code}
> *Data while all three nodes are up*
> {code}
> [default@Keyspace1] list Counter1;
> Using default limit of 100
> -------------------
> RowKey: 30
> => (counter=4330, value=2100)
> => (counter=4331, value=1100)
> => (counter=4332, value=600)
> {code}
> * Shutdown nodes 1,2,3
> * Startup nodes 1,2,3
> * Verify in CLI: 11 keys.  I am expecting only 1.
> *Data after bouncing nodes*
> {code}
> [default@Keyspace1] list Counter1;
> Using default limit of 100
> -------------------
> RowKey: 3036
> => (counter=4330, value=500597)
> -------------------
> RowKey: 3038
> => (counter=4330, value=500591)
> -------------------
> RowKey: 3039
> => (counter=4330, value=500609)
> -------------------
> RowKey: 3033
> => (counter=4330, value=500607)
> -------------------
> RowKey: 3037
> => (counter=4330, value=500601)
> -------------------
> RowKey: 30
> => (counter=4330, value=2708611)
> => (counter=4331, value=606482)
> => (counter=4332, value=180798)
> -------------------
> RowKey: 3030
> => (counter=4330, value=500616)
> -------------------
> RowKey: 3032
> => (counter=4330, value=500596)
> -------------------
> RowKey: 3031
> => (counter=4330, value=500613)
> -------------------
> RowKey: 3035
> => (counter=4330, value=500624)
> -------------------
> RowKey: 3034
> => (counter=4330, value=500618)
> 11 Rows Returned.
> {code}

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