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https://issues.apache.org/jira/browse/CASSANDRA-348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740685#action_12740685
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Mark Robson commented on CASSANDRA-348:
---------------------------------------
With 348-2.patch I get
DEBUG - get_key_range
DEBUG - reading RangeCommand(table='Keyspace1', columnFamily=Standard1,
startWith='0', stopAt='1', maxResults=1000) from [email protected]:7000
DEBUG - Sending RangeReply(keys=[0000], completed=false) to [email protected]:7000
DEBUG - Processing response on an async result from [email protected]:7000
DEBUG - reading RangeCommand(table='Keyspace1', columnFamily=Standard1,
startWith='0', stopAt='1', maxResults=999) from [email protected]:7000
DEBUG - Processing response on an async result from [email protected]:7000
ERROR - Internal error processing get_key_range
java.lang.UnsupportedOperationException
at
java.util.Collections$UnmodifiableCollection.addAll(Collections.java:1044)
at
org.apache.cassandra.service.StorageProxy.getKeyRange(StorageProxy.java:673)
at
org.apache.cassandra.service.CassandraServer.get_key_range(CassandraServer.java:557)
at
org.apache.cassandra.service.Cassandra$Processor$get_key_range.process(Cassandra.java:1095)
at
org.apache.cassandra.service.Cassandra$Processor.process(Cassandra.java:758)
at
org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:252)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
When attempting to do a range scan which crosses over nodes.
Also get the warning:
[javac] Note:
/home/mark/cassandra/cassandra-trunk/src/java/org/apache/cassandra/tools/KeyChecker.java
uses or overrides a deprecated API.
At compile-time.
> 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: 348-2.patch, 348.diff, LoadAndScan.py, 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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