Hi Sanjeev, What's the story of the cluster ? Did you started with 0.7.4, or is it upgraded from some earlier version ?
On Mon, Apr 25, 2011 at 5:54 AM, Sanjeev Kulkarni <sanj...@locomatix.com> wrote: > Hey guys, > Running a one node cassandra server with version 0.7.4 patched > with https://issues.apache.org/jira/browse/CASSANDRA-2376 > The system was running fine for a couple of days when we started noticing > something strange with cassandra. I stopped all applications and restarted > cassandra. And then did a scrub. During scrub, I noticed these in the logs > WARN [CompactionExecutor:1] 2011-04-24 23:37:07,561 CompactionManager.java > (line 607) Non-fatal error reading row (stacktrace follows) > java.io.IOError: java.io.IOException: Impossible row size > 1516029079813320210 > at > org.apache.cassandra.db.CompactionManager.doScrub(CompactionManager.java:589) > at > org.apache.cassandra.db.CompactionManager.access$600(CompactionManager.java:56) > at > org.apache.cassandra.db.CompactionManager$3.call(CompactionManager.java:195) > at > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at > java.util.concurrent.FutureTask.run(FutureTask.java:138) > 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:662) > Caused by: java.io.IOException: Impossible row size 1516029079813320210 > ... 8 more > INFO [CompactionExecutor:1] 2011-04-24 23:37:07,640 CompactionManager.java > (line 613) Retrying from row index; data is -1768177699 bytes starting at > 2626524914 > WARN [CompactionExecutor:1] 2011-04-24 23:37:07,641 CompactionManager.java > (line 633) Retry failed too. Skipping to next row (retry's stacktrace > follows) > java.io.IOError: java.io.EOFException: bloom filter claims to be 1868982636 > bytes, longer than entire row size -1768177699 at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.<init>(SSTableIdentityIterator.java:117) > at > org.apache.cassandra.db.CompactionManager.doScrub(CompactionManager.java:618) > at > org.apache.cassandra.db.CompactionManager.access$600(CompactionManager.java:56) > at > org.apache.cassandra.db.CompactionManager$3.call(CompactionManager.java:195) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > 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:662) > Caused by: java.io.EOFException: bloom filter claims to be 1868982636 bytes, > longer than entire row size -1768177699 at > org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:116) > at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.<init>(SSTableIdentityIterator.java:87) > ... 8 more > WARN [CompactionExecutor:1] 2011-04-24 23:37:16,545 CompactionManager.java > (line 607) Non-fatal error reading row (stacktrace follows) > java.io.IOError: java.io.EOFException > at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.next(SSTableIdentityIterator.java:144) > at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.next(SSTableIdentityIterator.java:40) > at > org.apache.commons.collections.iterators.CollatingIterator.set(CollatingIterator.java:284) > at > org.apache.commons.collections.iterators.CollatingIterator.least(CollatingIterator.java:326) > at > org.apache.commons.collections.iterators.CollatingIterator.next(CollatingIterator.java:230) > at > org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:68) > at > com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136) > at > com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131) > at > com.google.common.collect.Iterators$7.computeNext(Iterators.java:604) > at > com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136) > at > com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131) > at > org.apache.cassandra.db.ColumnIndexer.serializeInternal(ColumnIndexer.java:76) > at > org.apache.cassandra.db.ColumnIndexer.serialize(ColumnIndexer.java:50) > at > org.apache.cassandra.io.LazilyCompactedRow.<init>(LazilyCompactedRow.java:90) > at > org.apache.cassandra.db.CompactionManager.getCompactedRow(CompactionManager.java:778) > at > org.apache.cassandra.db.CompactionManager.doScrub(CompactionManager.java:591) > at > org.apache.cassandra.db.CompactionManager.access$600(CompactionManager.java:56) > at > org.apache.cassandra.db.CompactionManager$3.call(CompactionManager.java:195) > at > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > 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:662) > Caused by: java.io.EOFException > at java.io.RandomAccessFile.readFully(RandomAccessFile.java:383) > at java.io.RandomAccessFile.readFully(RandomAccessFile.java:361) > at > org.apache.cassandra.io.util.BufferedRandomAccessFile.readBytes(BufferedRandomAccessFile.java:270) > at > org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:317) > at > org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:273) > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:94) > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:35) > at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.next(SSTableIdentityIterator.java:140) > ... 22 more > INFO [CompactionExecutor:1] 2011-04-24 23:37:16,561 CompactionManager.java > (line 613) Retrying from row index; data is 78540539 bytes starting at > 2229643127 > > And then when i restarted the readers, i get the following crash > ERROR [ReadStage:24] 2011-04-24 23:43:05,658 AbstractCassandraDaemon.java > (line 112) Fatal exception in thread Thread[ReadStage:24,5,main] > java.lang.AssertionError: mmap segment underflow; remaining is 791462117 but > 1970433058 requested > at > org.apache.cassandra.io.util.MappedFileDataInput.readBytes(MappedFileDataInput.java:119) > at > org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:317) > at > org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:273) > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:94) > at > org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:35) > at > org.apache.cassandra.db.columniterator.IndexedSliceReader$IndexedBlockFetcher.getNextBlock(IndexedSliceReader.java:181) > at > org.apache.cassandra.db.columniterator.IndexedSliceReader.computeNext(IndexedSliceReader.java:121) > at > org.apache.cassandra.db.columniterator.IndexedSliceReader.computeNext(IndexedSliceReader.java:49) > at > com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136) > at > com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131) > at > org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:108) > at > org.apache.commons.collections.iterators.CollatingIterator.set(CollatingIterator.java:283) > at > org.apache.commons.collections.iterators.CollatingIterator.least(CollatingIterator.java:326) > at > org.apache.commons.collections.iterators.CollatingIterator.next(CollatingIterator.java:230) > at > org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:68) > at > com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136) > at > com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131) > at > org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:116) > at > org.apache.cassandra.db.filter.QueryFilter.collectCollatedColumns(QueryFilter.java:130) > at > org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1368) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1245) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1173) > at org.apache.cassandra.db.Table.getRow(Table.java:333) > at > org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:63) > at > org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:453) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > 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:662) > > Any ideas? > Thanks!
