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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Error in upgrading cassandra to 0.8.5
Date Tue, 13 Sep 2011 15:21:47 GMT
More or less.  NEWS.txt explains upgrade procedure in more detail.

On Tue, Sep 13, 2011 at 8:43 AM, Roshan Dawrani <roshandawrani@gmail.com> wrote:
> Hi.
> Thanks for replying back. Just a quick cross-confirmation, if you don't
> mind:
> So, I can do the following without fearing any loss of data, etc?
> * "nodetool drain" and bring down the 0.7.0 node (it's a one node setup that
> I am upgrading)
> * remove all files from saved_caches directory (both system*-KeyCache as
> well as application-specific*-KeyCache files)
> * bring up the new 0.8.5 node (pointing to same "data" and "commitlog"
> directories)
> The *KeyCache files can be removed safely in between, right?
> Cheers.
> On Tue, Sep 13, 2011 at 7:03 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
>>
>> Just remove the row cache files.
>>
>> On Tue, Sep 13, 2011 at 8:23 AM, Roshan Dawrani <roshandawrani@gmail.com>
>> wrote:
>> > Hi,
>> > I am in the process of upgrading Cassandra to the recently released
>> > v0.8.5
>> > and facing an issue.
>> > We had two Cassandra environments - one having 0.7.0 and another 0.7.2.
>> > The
>> > upgrade on 0.7.2 has happened smoothly, but on the environment having
>> > 0.7.0,
>> > when I make the switch, the DB fails to come up with the error below.
>> > Can someone help please?
>> >
>> > -------------------------------------------------------------------------------------------------------------
>> >  INFO 13:03:46,025 JNA not found. Native methods will be disabled.
>> >  INFO 13:03:46,034 Loading settings from
>> > file:/apache-cassandra-0.8.5/conf/cassandra.yaml
>> >  INFO 13:03:46,195 DiskAccessMode 'auto' determined to be mmap,
>> > indexAccessMode is mmap
>> >  ...
>> >  INFO 13:03:46,307 Removing compacted SSTable files (see
>> > http://wiki.apache.org/cassandra/MemtableSSTable)
>> >  INFO 13:03:46,379 reading saved cache
>> > /cassandra/saved_caches/system-IndexInfo-KeyCache
>> > ERROR 13:03:46,380 Exception encountered during startup.
>> > java.lang.NegativeArraySizeException
>> >         at
>> >
>> > org.apache.cassandra.cache.AutoSavingCache.readSaved(AutoSavingCache.java:130)
>> >         at
>> >
>> > org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:273)
>> >         at
>> >
>> > org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:465)
>> >         at
>> >
>> > org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:435)
>> >         at org.apache.cassandra.db.Table.initCf(Table.java:369)
>> >         at org.apache.cassandra.db.Table.<init>(Table.java:306)
>> >         at org.apache.cassandra.db.Table.open(Table.java:111)
>> >         at
>> > org.apache.cassandra.db.SystemTable.checkHealth(SystemTable.java:217)
>> >         at
>> >
>> > org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:154)
>> >         at
>> >
>> > org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:341)
>> >         at
>> >
>> > org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:97)
>> >
>> > -------------------------------------------------------------------------------------------------------------
>> > --
>> > Roshan
>> > Blog: http://roshandawrani.wordpress.com/
>> > Twitter: @roshandawrani
>> > Skype: roshandawrani
>> >
>> >
>>
>>
>>
>> --
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of DataStax, the source for professional Cassandra support
>> http://www.datastax.com
>
>
>
> --
> Roshan
> Blog: http://roshandawrani.wordpress.com/
> Twitter: @roshandawrani
> Skype: roshandawrani
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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