incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Schema Disagreement
Date Wed, 03 Aug 2011 03:28:08 GMT
Have you seen http://wiki.apache.org/cassandra/FAQ#schema_disagreement ?

On Tue, Aug 2, 2011 at 10:25 PM, Dikang Gu <dikang85@gmail.com> wrote:
> I also encounter the schema disagreement in my 0.8.1 cluster today…
>
> The disagreement occurs when I create a column family using the hector api,
> and I found the following errors in my cassandra/system.log
> ERROR [pool-2-thread-99] 2011-08-03 11:21:18,051 Cassandra.java (line 3378)
> Internal error processing remove
> java.util.concurrent.RejectedExecutionException: ThreadPoolExecutor has shut
> down
> at
> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor$1.rejectedExecution(DebuggableThreadPoolExecutor.java:73)
> at
> java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:816)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1337)
> at
> org.apache.cassandra.service.StorageProxy.insertLocal(StorageProxy.java:360)
> at
> org.apache.cassandra.service.StorageProxy.sendToHintedEndpoints(StorageProxy.java:241)
> at
> org.apache.cassandra.service.StorageProxy.access$000(StorageProxy.java:62)
> at org.apache.cassandra.service.StorageProxy$1.apply(StorageProxy.java:99)
> at
> org.apache.cassandra.service.StorageProxy.performWrite(StorageProxy.java:210)
> at org.apache.cassandra.service.StorageProxy.mutate(StorageProxy.java:154)
> at
> org.apache.cassandra.thrift.CassandraServer.doInsert(CassandraServer.java:560)
> at
> org.apache.cassandra.thrift.CassandraServer.internal_remove(CassandraServer.java:539)
> at
> org.apache.cassandra.thrift.CassandraServer.remove(CassandraServer.java:547)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$remove.process(Cassandra.java:3370)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2889)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:636)
> And when I try to decommission, I got this:
> ERROR [pool-2-thread-90] 2011-08-03 11:24:35,611 Cassandra.java (line 3462)
> Internal error processing batch_mutate
> java.util.concurrent.RejectedExecutionException: ThreadPoolExecutor has shut
> down
> at
> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor$1.rejectedExecution(DebuggableThreadPoolExecutor.java:73)
> at
> java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:816)
> at
> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1337)
> at
> org.apache.cassandra.service.StorageProxy.insertLocal(StorageProxy.java:360)
> at
> org.apache.cassandra.service.StorageProxy.sendToHintedEndpoints(StorageProxy.java:241)
> at
> org.apache.cassandra.service.StorageProxy.access$000(StorageProxy.java:62)
> at org.apache.cassandra.service.StorageProxy$1.apply(StorageProxy.java:99)
> at
> org.apache.cassandra.service.StorageProxy.performWrite(StorageProxy.java:210)
> at org.apache.cassandra.service.StorageProxy.mutate(StorageProxy.java:154)
> at
> org.apache.cassandra.thrift.CassandraServer.doInsert(CassandraServer.java:560)
> at
> org.apache.cassandra.thrift.CassandraServer.internal_batch_mutate(CassandraServer.java:511)
> at
> org.apache.cassandra.thrift.CassandraServer.batch_mutate(CassandraServer.java:519)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.process(Cassandra.java:3454)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2889)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:636)
> What does this mean?
> Thanks.
> --
> Dikang Gu
> 0086 - 18611140205
>
> On Tuesday, August 2, 2011 at 6:04 PM, aaron morton wrote:
>
> Hang on, using brain now.
> That is triggering a small bug in the code
> see https://issues.apache.org/jira/browse/CASSANDRA-2984
> For not just remove the column meta data.
> Cheers
> -----------------
> Aaron Morton
> Freelance Cassandra Developer
> @aaronmorton
> http://www.thelastpickle.com
> On 2 Aug 2011, at 21:19, aaron morton wrote:
>
> What do you see when you run describe cluster; in the cassandra-cli ? Whats
> the exact error you get and is there anything in the server side logs ?
> Have you added other CF's before adding this one ? Did the schema agree
> before starting this statement?
> I ran the statement below on the current trunk and it worked.
> Cheers
> -----------------
> Aaron Morton
> Freelance Cassandra Developer
> @aaronmorton
> http://www.thelastpickle.com
> On 2 Aug 2011, at 12:08, Dikang Gu wrote:
>
> I thought the schema disagree problem was already solved in 0.8.1...
> On possible solution is to decommission the disagree node and rejoin it.
>
> On Tue, Aug 2, 2011 at 8:01 AM, Yi Yang <yyang@me.com> wrote:
>
> Dear all,
>
> I'm always meeting mp with schema disagree problems while trying to create a
> column family like this, using cassandra-cli:
>
> create column family sd
>    with column_type = 'Super'
>    and key_validation_class = 'UUIDType'
>    and comparator = 'LongType'
>    and subcomparator = 'UTF8Type'
>    and column_metadata = [
>        {
>        column_name: 'time',
>        validation_class : 'LongType'
>        },{
>        column_name: 'open',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'high',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'low',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'close',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'volumn',
>        validation_class : 'LongType'
>        },{
>        column_name: 'splitopen',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'splithigh',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'splitlow',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'splitclose',
>        validation_class : 'FloatType'
>        },{
>        column_name: 'splitvolume',
>        validation_class : 'LongType'
>        },{
>        column_name: 'splitclose',
>        validation_class : 'FloatType'
>        }
>    ]
> ;
>
> I've tried to erase everything and restart Cassandra but this still happens.
>   But when I clear the column_metadata section this no more disagreement
> error.   Do you have any idea why this happens?
>
> Environment: 2 VMs, using the same harddrive, Cassandra 0.8.1, Ubuntu 10.04
> This is for testing only.   We'll move to dedicated servers later.
>
> Best regards,
> Yi
>
>
>
> --
> Dikang Gu
> 0086 - 18611140205
>
>
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

Mime
View raw message