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From Janne Jalkanen <janne.jalka...@ecyrd.com>
Subject Re: Cassandra Out of Memory on startup while reading cache
Date Mon, 22 Jul 2013 18:44:44 GMT

Sounds like this: https://issues.apache.org/jira/browse/CASSANDRA-5706, which is fixed in
1.2.7.

/Janne

On 22 Jul 2013, at 20:40, Jason Tyler <jatyler@yahoo-inc.com> wrote:

> Hello,
> 
> Since upgrading from 1.1.9 to 1.2.6 over the last week, we've had two instances where
cassandra was unable, but kept trying to restart:
> 
> ////SNIP////
>  INFO [main] 2013-07-19 16:12:36,769 AutoSavingCache.java (line 140) reading saved cache
/var/cassandra/caches/SyncCore-CommEvents-KeyCache-b.db
> ERROR [main] 2013-07-19 16:12:36,966 CassandraDaemon.java (line 458) Exception encountered
during startup
> java.lang.OutOfMemoryError: Java heap space
>         at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:394)
>         at org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:355)
>         at org.apache.cassandra.service.CacheService$KeyCacheSerializer.deserialize(CacheService.java:379)
>         at org.apache.cassandra.cache.AutoSavingCache.loadSaved(AutoSavingCache.java:145)
>         at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:266)
>         at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:382)
>         at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:354)
>         at org.apache.cassandra.db.Table.initCf(Table.java:329)
>         at org.apache.cassandra.db.Table.<init>(Table.java:272)
>         at org.apache.cassandra.db.Table.open(Table.java:109)
>         at org.apache.cassandra.db.Table.open(Table.java:87)
>         at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:271)
>         at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:441)
>         at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:484)
>  INFO [main] 2013-07-19 16:12:43,288 CassandraDaemon.java (line 118) Logging initialized
> ////SNIP////
> 
> This is new behavior with 1.2.6.  
> 
> Stopping cassandra, moving the offending file, then starting cassandra does succeed.
 
> 
> Any config suggestions (key cache config?) to prevent this from happening?
> 
> THX
> 
> 
> Cheers,
> 
> ~Jason


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