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Posted to commits@cassandra.apache.org by "Mark Robson (JIRA)" <ji...@apache.org> on 2009/08/06 12:38:15 UTC
[jira] Updated: (CASSANDRA-348) Range scan over two nodes returns
wrong data
[ https://issues.apache.org/jira/browse/CASSANDRA-348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mark Robson updated CASSANDRA-348:
----------------------------------
Attachment: setup.cas
This is a cassandra-cli script used to load the test data which gets the results above.
> Range scan over two nodes returns wrong data
> --------------------------------------------
>
> Key: CASSANDRA-348
> URL: https://issues.apache.org/jira/browse/CASSANDRA-348
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.4
> Reporter: Mark Robson
> Attachments: setup.cas
>
>
> I've got two nodes with tokens 00000000 and 88888888. I add 16 rows in which are spread over them, then do a key range scan.
> I can scan part of the range successfully, but if I try to scan the entire range of keys (0-f) then I get unexpected results
> ./Cassandra-remote -h localhost:9160 get_key_range Keyspace1 Standard1 0 31 1000
> ['00', '01', '10', '11', '20', '21', '30', '31']
> ./Cassandra-remote -h localhost:9160 get_key_range Keyspace1 Standard1 3 81 1000
> ['30', '31', '40', '41', '50', '51', '60', '61', '70', '71', '80', '81']
> ./Cassandra-remote -h localhost:9160 get_key_range Keyspace1 Standard1 7 b1 1000
> ['70', '71', '80', '81', '90', '91', 'a0', 'a1', 'b0', 'b1']
> ./Cassandra-remote -h localhost:9160 get_key_range Keyspace1 Standard1 a g 1000
> ['a0', 'a1', 'b0', 'b1', 'c0', 'c1', 'd0', 'd1', 'e0', 'e1', 'f0', 'f1']
> All of which returned as I expected.
> But when I range scan the whole lot (0-g) then I get:
> ./Cassandra-remote -h localhost:9160 get_key_range Keyspace1 Standard1 0 g 1000
> [ '00',
> '90',
> '91',
> 'a0',
> 'a1',
> 'b0',
> 'b1',
> 'c0',
> 'c1',
> 'd0',
> 'd1',
> 'e0',
> 'e1',
> 'f0',
> 'f1']
> Where have 01-81 gone?
> I'll attach the data loading script.
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