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Date: Mon, 11 Jul 2011 16:57:11 -0400
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 <CACU4Y-hvJUBhv5f-dt6yh5RxZ7UcsLTOLcAiFQgafe7bmUky2A@mail.gmail.com>
Subject: Re: Out of memory error in cassandra
From: Jeffrey Kesselman <jeffpk@gmail.com>
To: user@cassandra.apache.org
Cc: anurag.gujral@gmail.com
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Are you on a 64 bit VM?  A 32 bit vm will basically ignore any setting over
2GB

On Mon, Jul 11, 2011 at 4:55 PM, Anurag Gujral <anurag.gujral@gmail.com>wrote:

> Hi All,
>            I am getting following error from cassandra:
> ERROR [ReadStage:23] 2011-07-10 17:19:18,300
> DebuggableThreadPoolExecutor.java (line 103) Error in ThreadPoolExecutor
> java.lang.OutOfMemoryError: Java heap space
>         at
> org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:49)
>         at
> org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:30)
>         at
> org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:117)
>         at
> org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:94)
>         at
> org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:107)
>         at
> org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:72)
>         at
> org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:59)
>         at
> org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80)
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1311)
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1203)
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131)
>         at org.apache.cassandra.db.Table.getRow(Table.java:333)
>         at
> org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:60)
>         at
> org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:69)
>         at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:636)
>  INFO [ScheduledTasks:1] 2011-07-10 17:19:18,306 StatusLogger.java (line
> 66) RequestResponseStage              0         0
> ERROR [ReadStage:23] 2011-07-10 17:19:18,306 AbstractCassandraDaemon.java
> (line 114) Fatal exception in thread Thread[ReadStage:23,5,main]
> java.lang.OutOfMemoryError: Java heap space
>         at
> org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:49)
>         at
> org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:30)
>         at
> org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:117)
>         at
> org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:94)
>         at
> org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:107)
>         at
> org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:72)
>         at
> org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:59)
>         at
> org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80)
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1311)
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1203)
>         at
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131)
>
>
> Can someone please help debug this? The maximum heap size is 28G .
>
> I am not sure why cassandra is giving Out of memory error here.
>
> Thanks
> Anurag
>



-- 
It's always darkest just before you are eaten by a grue.

--bcaec5216183720f2604a7d16de7
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Content-Transfer-Encoding: quoted-printable

Are you on a 64 bit VM? =A0A 32 bit vm=A0will=A0basically ignore any settin=
g over 2GB<br><br><div class=3D"gmail_quote">On Mon, Jul 11, 2011 at 4:55 P=
M, Anurag Gujral <span dir=3D"ltr">&lt;<a href=3D"mailto:anurag.gujral@gmai=
l.com">anurag.gujral@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">Hi All,<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 I=
 am getting following error from cassandra:<br>ERROR [ReadStage:23] 2011-07=
-10 17:19:18,300 DebuggableThreadPoolExecutor.java (line 103) Error in Thre=
adPoolExecutor<br>
java.lang.OutOfMemoryError: Java heap space<br>
=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.utils.BloomFilterSerializer.d=
eserialize(BloomFilterSerializer.java:49)<br>=A0=A0=A0=A0=A0=A0=A0 at org.a=
pache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializ=
er.java:30)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.io.sstable.Ind=
exHelper.defreezeBloomFilter(IndexHelper.java:117)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.io.sstable.IndexHelper.defree=
zeBloomFilter(IndexHelper.java:94)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.c=
assandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.j=
ava:107)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.columniterator=
.SSTableNamesIterator.&lt;init&gt;(SSTableNamesIterator.java:72)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.filter.NamesQueryFilter.ge=
tSSTableColumnIterator(NamesQueryFilter.java:59)<br>=A0=A0=A0=A0=A0=A0=A0 a=
t org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(Query=
Filter.java:80)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.ColumnF=
amilyStore.getTopLevelColumns(ColumnFamilyStore.java:1311)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.ColumnFamilyStore.getColum=
nFamily(ColumnFamilyStore.java:1203)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache=
.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131=
)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.Table.getRow(Table.ja=
va:333)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.SliceByNamesReadCommand.ge=
tRow(SliceByNamesReadCommand.java:60)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apach=
e.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:69)<br>=A0=A0=A0=
=A0=A0=A0=A0 at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDel=
iveryTask.java:72)<br>

=A0=A0=A0=A0=A0=A0=A0 at java.util.concurrent.ThreadPoolExecutor.runWorker(=
ThreadPoolExecutor.java:1110)<br>=A0=A0=A0=A0=A0=A0=A0 at java.util.concurr=
ent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)<br>=A0=A0=A0=
=A0=A0=A0=A0 at java.lang.Thread.run(Thread.java:636)<br>

=A0INFO [ScheduledTasks:1] 2011-07-10 17:19:18,306 StatusLogger.java (line =
66) RequestResponseStage=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 0=A0=A0=A0=
=A0=A0=A0=A0=A0 0<br>ERROR [ReadStage:23] 2011-07-10 17:19:18,306 AbstractC=
assandraDaemon.java (line 114) Fatal exception in thread Thread[ReadStage:2=
3,5,main]<br>

java.lang.OutOfMemoryError: Java heap space<br>=A0=A0=A0=A0=A0=A0=A0 at org=
.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerial=
izer.java:49)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.utils.BloomF=
ilterSerializer.deserialize(BloomFilterSerializer.java:30)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.io.sstable.IndexHelper.defree=
zeBloomFilter(IndexHelper.java:117)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.=
cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:94)<b=
r>=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.columniterator.SSTableNa=
mesIterator.read(SSTableNamesIterator.java:107)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.columniterator.SSTableName=
sIterator.&lt;init&gt;(SSTableNamesIterator.java:72)<br>=A0=A0=A0=A0=A0=A0=
=A0 at org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIter=
ator(NamesQueryFilter.java:59)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.filter.QueryFilter.getSSTa=
bleColumnIterator(QueryFilter.java:80)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apac=
he.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java=
:1311)<br>=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.ColumnFamilyStor=
e.getColumnFamily(ColumnFamilyStore.java:1203)<br>

=A0=A0=A0=A0=A0=A0=A0 at org.apache.cassandra.db.ColumnFamilyStore.getColum=
nFamily(ColumnFamilyStore.java:1131)<br><br><br>Can someone please help deb=
ug this? The maximum heap size is 28G .<br><br>I am not sure why cassandra =
is giving Out of memory error here.<br>

<br>Thanks<br><font color=3D"#888888">Anurag <br>
</font></blockquote></div><br><br clear=3D"all"><br>-- <br>It&#39;s always =
darkest just before you are eaten by a grue.<br>

--bcaec5216183720f2604a7d16de7--