Re: Data Corruption

2010-08-19 Thread Waqas Badar
d way to > confuse Cassandra's replication. > > On Thu, Aug 19, 2010 at 4:33 AM, Waqas Badar > wrote: > > We are observing a strange behavior of Cassandra. We have a ring of two > > nodes. When we inserts data in cassandra then old data after some entries > > get vanis

Data Corruption

2010-08-19 Thread Waqas Badar
We are observing a strange behavior of Cassandra. We have a ring of two nodes. When we inserts data in cassandra then old data after some entries get vanished. Please note that it is not a data loss, as when we move that data to separate node then all data is shown. We are using Cassandra 0.6.3 an

java.util.concurrent.RejectedExecutionException: ThreadPoolExecutor has shut down

2010-08-04 Thread Waqas Badar
I have ring of three nodes. When i try to decommission one of the machine then i got the following exception: java.util.concurrent.RejectedExecutionException: ThreadPoolExecutor has shut down at org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor $1.rejectedExecution(DebuggableTh

NullPointerException and Java client hang

2010-07-30 Thread Waqas Badar
I am getting following exception: java.lang.NullPointerException at org.apache.cassandra.db.Table.apply(Table.java:407) at org.apache.cassandra.db.RowMutationVerbHandler.doVerb(RowMutationVerbHandler.java:68) at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDelive

Unexpected TType error on web traffic increase

2010-05-11 Thread Waqas Badar
Dear all, We are using Cassandra on website. Whenever website traffic increases, we got the following error (Python): File "/usr/local/lib/python2.6/dist-packages/pycassa/columnfamily.py", line 199, in multiget self._rcl(read_consistency_level)) File "/usr/local/lib/p