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From Vasileios Vlachos <vasileiosvlac...@gmail.com>
Subject Re: Thrift version and OOM errors
Date Tue, 03 Jul 2012 12:34:39 GMT
Just an update to correct something...

The application hits 10.128.16.111. The last lines of Error #4 suggest
that 10.128.16.110 and 10.128.16.112 where down because Cassandra service
was down on 10.128.16.111 and it could not detect the cluster (I think it
must be gossip related, right???).

Thanks,

Vasilis


On Mon, Jul 2, 2012 at 10:57 PM, Vasileios Vlachos <
vasileiosvlachos@gmail.com> wrote:

> Hello All,
>
> We are using Cassandra 1.0.7 on AWS on mediums (that is 3.8G RAM, 1 Core),
> running Ubuntu 12.04. We have three nodes in the cluster and we hit only
> one node from our application. Thrift version is 0.6.1 (we changed from 0.8
> because we thought there was a compatibility problem between thrift and
> Cassandra ('old client' according to the output.log). We are still not sure
> what version of thrift to use with Cassandra 1.0.7 (we are still getting
> the same message regarding the 'old client'). I would appreciate any help
> on that please.
>
> Below, I am sharing the errors we are getting from the output.log file.
> First three errors are not responsible for the crash, only the OOM error
> is, but something seems to be really wrong there...
>
> Error #1
>
> ERROR 14:00:12,057 Thrift error occurred during processing of message.
> org.apache.thrift.TException: Message length exceeded: 1970238464
> at
> org.apache.thrift.protocol.TBinaryProtocol.checkReadLength(TBinaryProtocol.java:393)
> at
> org.apache.thrift.protocol.TBinaryProtocol.readBinary(TBinaryProtocol.java:363)
> at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:102)
> at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:112)
> at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:112)
> at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:112)
> at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:121)
> at org.apache.thrift.protocol.TProtocolUtil.skip(TProtocolUtil.java:60)
> at org.apache.cassandra.thrift.Mutation.read(Mutation.java:355)
> at
> org.apache.cassandra.thrift.Cassandra$batch_mutate_args.read(Cassandra.java:18966)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.process(Cassandra.java:3441)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2889)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
>
> Error #2
>
> ERROR 14:03:48,004 Error occurred during processing of message.
> java.lang.StringIndexOutOfBoundsException: String index out of range: -
> 2147418111
> at java.lang.String.checkBounds(String.java:397)
> at java.lang.String.<init>(String.java:442)
> at
> org.apache.thrift.protocol.TBinaryProtocol.readString(TBinaryProtocol.java:339)
> at
> org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:210)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2877)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
>
> Error #3
>
> ERROR 14:07:24,415 Thrift error occurred during processing of message.
> org.apache.thrift.protocol.TProtocolException: Missing version in
> readMessageBegin, old client?
> at
> org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:213)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2877)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
>
> Error #4
>
> ERROR 16:07:10,168 Thrift error occurred during processing of message.
> org.apache.thrift.TException: Message length exceeded: 218104076
> at
> org.apache.thrift.protocol.TBinaryProtocol.checkReadLength(TBinaryProtocol.java:393)
> at
> org.apache.thrift.protocol.TBinaryProtocol.readStringBody(TBinaryProtocol.java:352)
> at
> org.apache.thrift.protocol.TBinaryProtocol.readString(TBinaryProtocol.java:347)
> at
> org.apache.cassandra.thrift.Cassandra$batch_mutate_args.read(Cassandra.java:18958)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.process(Cassandra.java:3441)
> 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$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> java.lang.OutOfMemoryError: Java heap space
> Dumping heap to /var/lib/cassandra/java_1341224307.hprof ...
> INFO 16:07:18,882 GC for Copy: 886 ms for 1 collections, 2242700896 used;
> max is 2670985216
> Java HotSpot(TM) 64-Bit Server VM warning: record is too large
> Heap dump file created [4429997807 bytes in 95.755 secs]
> INFO 16:08:54,749 GC for ConcurrentMarkSweep: 1157 ms for 4 collections,
> 2246857528 used; max is 2670985216
> WARN 16:08:54,761 Heap is 0.8412092715978552 full. You may need to reduce
> memtable and/or cache sizes.
> Cassandra will now flush up to the two largest memtables to free up
> memory.
> Adjust flush_largest_memtables_at threshold in cassandra.yaml if you don't
> want Cassandra to do this automatically
> ERROR 16:08:54,761 Fatal exception in thread Thread[Thrift:446,5,main]
> java.lang.OutOfMemoryError: Java heap space
> at java.util.HashMap.<init>(HashMap.java:187)
> at java.util.HashMap.<init>(HashMap.java:199)
> at
> org.apache.cassandra.thrift.Cassandra$batch_mutate_args.read(Cassandra.java:18953)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.process(Cassandra.java:3441)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2889)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> INFO 16:08:54,760 InetAddress /10.128.16.110 is now dead.
> INFO 16:08:54,764 InetAddress /10.128.16.112 is now dead.
>
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> First three errors appear a lot of times before error #4, which actually
> causes the crash. 10.128.16.110 is the node our application hits. Although
> the log suggests that 10.128.16.112 died, it did not. We ran 'nodetool
> ring' on 10.128.16.112 and only 10.128.16.110 appeared to be down.
>
> Proper hardware might solve some of our problems, but we need a fair
> understanding before we move on. At the moment we cannot get a stable
> cluster for more than 12 hours. After that, 10.128.16.110 dies and the
> output.log has the same errors.
>
> Any help would be much appreciated. Please, let me know if you need more
> information in order to figure out what is going on.
>
> Thank you in advance.
>
> --
> Kind Regards,
>
> Vasilis
>

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