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From "Guillaume VIEL (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10258) Counter table written with CQLSSTableWriter generates exceptions and become corrupted at first use
Date Thu, 03 Sep 2015 14:47:46 GMT
Guillaume VIEL created CASSANDRA-10258:
------------------------------------------

             Summary: Counter table written with CQLSSTableWriter generates exceptions and
become corrupted at first use
                 Key: CASSANDRA-10258
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10258
             Project: Cassandra
          Issue Type: Bug
          Components: API
         Environment: Linux Debian Wheezie 7.8 / Oracle Java 1.7.0_67
Ubuntu 14.04.3 LTS / Oracle Java 1.7.0_75
Cassandra 2.0.12 2.1.5 2.1.8
            Reporter: Guillaume VIEL


We use CQLSStableWriter to produce testing datasets.

Here are the steps to reproduce this issue :

1) definition of a table with counter
CREATE TABLE my_counter (
  my_id text,
  my_counter counter,
  PRIMARY KEY (my_id)
)

2) with CQLSSTableWriter initialize this table (about 2millions entries) with this insert
order (one insert / key only)
UPDATE myks.my_counter SET my_counter = my_counter + ? WHERE my_id = ?

3) load the files written by CQLSSTableWriter with sstableloader in your cassandra cluster
(tested on a single node and a 3 nodes cluster)

4) start a process that updates the counters (we used 3millions entries distributed on the
key my_id)

5) after a while try to query a key in the my_counter table
cqlsh:myks> select * from my_counter where my_id='0000001';
Request did not complete within rpc_timeout.

In the logs of cassandra (2.0.12) :
ERROR [CompactionExecutor:3] 2015-05-28 15:53:39,491 CassandraDaemon.java (line 258) Exception
in thread Thread[CompactionExecutor:3,1,main]
java.lang.AssertionError: Wrong class type.
        at org.apache.cassandra.db.CounterUpdateColumn.reconcile(CounterUpdateColumn.java:70)
        at org.apache.cassandra.db.ArrayBackedSortedColumns.resolveAgainst(ArrayBackedSortedColumns.java:147)
        at org.apache.cassandra.db.ArrayBackedSortedColumns.addColumn(ArrayBackedSortedColumns.java:126)
        at org.apache.cassandra.db.ColumnFamily.addColumn(ColumnFamily.java:121)
        at org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:120)
        at org.apache.cassandra.db.compaction.PrecompactedRow$1.reduce(PrecompactedRow.java:115)
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:112)
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:191)
        at org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:144)
        at org.apache.cassandra.db.compaction.PrecompactedRow.merge(PrecompactedRow.java:103)
        at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:85)
        at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:196)
        at org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:74)
        at org.apache.cassandra.db.compaction.CompactionIterable$Reducer.getReduced(CompactionIterable.java:55)
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:115)
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:164)
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
        at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60)
        at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
        at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:198)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)


In the logs of cassandra v2.1.5 :
WARN  [SharedPool-Worker-38] 2015-06-11 16:39:06,008  AbstractTracingAwareExecutorService.java:169
- Uncaught exception on thread Thread[SharedPool-Worker-38,5,
main]: {}
java.lang.AssertionError: Wrong class type: class org.apache.cassandra.db.BufferCounterUpdateCell
        at org.apache.cassandra.db.AbstractCell.reconcileCounter(AbstractCell.java:211) ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.BufferCounterCell.reconcile(BufferCounterCell.java:118)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:122) ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.filter.QueryFilter$1.reduce(QueryFilter.java:116) ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:114)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
~[guava-16.0.1.jar:na]
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) ~[guava-16.0.1.jar:na]
        at org.apache.cassandra.db.filter.NamesQueryFilter.collectReducedColumns(NamesQueryFilter.java:100)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:108)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:82)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:69)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:314)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:62)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1900)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1758)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:346) ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:53)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.CounterMutation.getCurrentValuesFromCFS(CounterMutation.java:262)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.CounterMutation.getCurrentValues(CounterMutation.java:229)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.CounterMutation.processModifications(CounterMutation.java:197)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.db.CounterMutation.apply(CounterMutation.java:124) ~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.service.StorageProxy$8.runMayThrow(StorageProxy.java:1155)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2191)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_45]
        at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
~[cassandra-all-2.1.5.469.jar:2.1.5.469]
        at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [cassandra-all-2.1.5.469.jar:2.1.5.469]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]


same exception as issue https://issues.apache.org/jira/browse/CASSANDRA-7188



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