> > ERROR 09:02:38,614 Error in ThreadPoolExecutor > > java.lang.RuntimeException: java.io.EOFException: unable to seek to > > position 93069003 in /opt/analytics/analytics/chart-hd-104-Data.db > > (65737276 bytes) in read-only mode > > > This one looks like an error. > > Can you run nodetool with DEBUG level logging and post the logs ?
Thank Aaron. Which nodetool command are you referring to? (info, cfstats, ring,….) Do I modify the log4j-tools.properties in $CASSANDRA_HOME/conf to set the nodetool logs to DEBUG? Thanks, -- Filippo Diotalevi On Wednesday, 15 August 2012 at 22:53, aaron morton wrote: > > WARN 09:02:38,534 Unable to instantiate cache provider > > org.apache.cassandra.cache.SerializingCacheProvider; using default > > org.apache.cassandra.cache.ConcurrentLinkedHashCacheProvider@5d59054d > > instead > > Happens when JNA is not in the path. Nothing to worry about when using the > sstableloader. > > > ERROR 09:02:38,614 Error in ThreadPoolExecutor > > java.lang.RuntimeException: java.io.EOFException: unable to seek to > > position 93069003 in /opt/analytics/analytics/chart-hd-104-Data.db > > (65737276 bytes) in read-only mode > > This one looks like an error. > > Can you run nodetool with DEBUG level logging and post the logs ? > > Cheers > > ----------------- > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > > > > > > On 15/08/2012, at 9:32 PM, Filippo Diotalevi <fili...@ntoklo.com > (mailto:fili...@ntoklo.com)> wrote: > > Hi, > > we are trying to use SSTableLoader to bootstrap a new 7-node cassandra (v. > > 1.0.10) cluster with the snapshots taken from a 3-node cassandra cluster. > > The new cluster is in a different data centre. > > > > After reading the articles at > > [1] http://www.datastax.com/dev/blog/bulk-loading > > [2] > > http://geekswithblogs.net/johnsPerfBlog/archive/2011/07/26/how-to-use-cassandrs-sstableloader.aspx > > > > we are tried to follow this procedure > > 1) we took a snapshot of our keyspaces in the old cluster and moved them to > > the data folder of 3 of the new machines > > 2) started cassandra in the new cluster > > but we noticed that some column families were missing, other had missing > > data. > > > > After that we tried to use sstableloader > > 1) we reinstalled cassandra in the new cluster > > 2) run sstableloader (as explained in [2]) to load the keyspaces > > > > SSTableLoader starts, but the progress is always 0 and the transfer rate is > > 0MB/s. Some warning and exceptions are present in the logs > > > > ./sstableloader /opt/analytics/analytics/ > > Starting client (and waiting 30 seconds for gossip) ... > > Streaming revelant part of /opt/analytics/analytics/chart-hd-104-Data.db > > /opt/analytics/analytics/chart-hd-105-Data.db > > /opt/analytics/analytics/chart-hd-106-Data.db > > /opt/analytics/analytics/chart-hd-107-Data.db > > /opt/analytics/analytics/chart-hd-108-Data.db to [/1x.xx.xx.xx5, > > /1x.xx.xx.xx7, /1x.xx.xx.xx0, /1x.xx.xx.xx7, /1x.xx.xx.xx3, /1x.xx.xx.xx8, > > /1x.xx.xx.xx7] > > WARN 09:02:38,534 Unable to instantiate cache provider > > org.apache.cassandra.cache.SerializingCacheProvider; using default > > org.apache.cassandra.cache.ConcurrentLinkedHashCacheProvider@5d59054d > > instead > > WARN 09:02:38,549 Unable to instantiate cache provider > > org.apache.cassandra.cache.SerializingCacheProvider; using default > > org.apache.cassandra.cache.ConcurrentLinkedHashCacheProvider@5d59054d > > instead > > > > > > [….] > > ERROR 09:02:38,614 Error in ThreadPoolExecutor > > java.lang.RuntimeException: java.io.EOFException: unable to seek to > > position 93069003 in /opt/analytics/analytics/chart-hd-104-Data.db > > (65737276 bytes) in read-only mode > > at org.apache.cassandra.utils.FBUtilities.unchecked(FBUtilities.java:689) > > at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) > > at > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > > at java.lang.Thread.run(Thread.java:619) > > Caused by: java.io.EOFException: unable to seek to position 93069003 in > > /opt/analytics/analytics/chart-hd-104-Data.db (65737276 bytes) in read-only > > mode > > at > > org.apache.cassandra.io.util.RandomAccessReader.seek(RandomAccessReader.java:253) > > at > > org.apache.cassandra.streaming.FileStreamTask.stream(FileStreamTask.java:136) > > at > > org.apache.cassandra.streaming.FileStreamTask.runMayThrow(FileStreamTask.java:91) > > at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > > ... 3 more > > Exception in thread "Streaming:1" java.lang.RuntimeException: > > java.io.EOFException: unable to seek to position 93069003 in > > /opt/analytics/analytics/chart-hd-104-Data.db (65737276 bytes) in read-only > > mode > > at org.apache.cassandra.utils.FBUtilities.unchecked(FBUtilities.java:689) > > at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) > > at > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > > at java.lang.Thread.run(Thread.java:619) > > Caused by: java.io.EOFException: unable to seek to position 93069003 in > > /opt/analytics/analytics/chart-hd-104-Data.db (65737276 bytes) in read-only > > mode > > at > > org.apache.cassandra.io.util.RandomAccessReader.seek(RandomAccessReader.java:253) > > at > > org.apache.cassandra.streaming.FileStreamTask.stream(FileStreamTask.java:136) > > at > > org.apache.cassandra.streaming.FileStreamTask.runMayThrow(FileStreamTask.java:91) > > at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > > ... 3 more > > > > > > > > > > > > --------------- > > > > > > What's the correct approach to migrate data from one cluster to another? > > How can I troubleshoot the problem with sstableloader? > > > > Thanks, > > -- > > Filippo Diotalevi >
