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From "Eric Evans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-118) make the out-of-the-box config 1GB-friendly
Date Thu, 30 Apr 2009 17:16:31 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12704713#action_12704713
] 

Eric Evans commented on CASSANDRA-118:
--------------------------------------

I'm getting the following with this patch applied.

java.lang.StackOverflowError
        at java.util.HashMap.get(HashMap.java:317)
        at org.apache.cassandra.db.Table.open(Table.java:401)
        at org.apache.cassandra.db.Memtable.put(Memtable.java:214)
        at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:464)
        at org.apache.cassandra.db.Memtable.put(Memtable.java:225)
        at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:464)
        at org.apache.cassandra.db.Memtable.put(Memtable.java:225)
        at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:464)
        at org.apache.cassandra.db.Memtable.put(Memtable.java:225)
        at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:464)
        (and on, and on, and on)

The attached (118.tar.gz) may help to replicate what I am seeing.

> make the out-of-the-box config 1GB-friendly
> -------------------------------------------
>
>                 Key: CASSANDRA-118
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-118
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>             Fix For: 0.3
>
>         Attachments: 118.patch, 118.tar.gz
>
>
> this will make it easier for people testing on a VM (slicehost and EC2 are popular and
1GB will fit better there)
> this should include making MemtableObjectCountInMillions a float to accommodate this
(and even smaller) ceilings.

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