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Subject: RE: bootstrap & rack aware on Cassandra4.1
Date: Fri, 30 Oct 2009 17:39:41 +0100
Message-ID: <2B50A74A83055C4CA676E4F7D4149650FFCBC1@YMAIL03.yoox.net>
Thread-Topic: bootstrap & rack aware on Cassandra4.1
thread-index: AcpZfgu+E2goOjfeScy8SuDxtvxj3gAADdJQ
References: <2B50A74A83055C4CA676E4F7D4149650FFCAF7@YMAIL03.yoox.net>
 <e06563880910300927w34c2cb2h35c53c70a4eb3498@mail.gmail.com>
From: "Paderno Giampaolo" <Giampaolo.Paderno@yoox.com>
To: <cassandra-dev@incubator.apache.org>

Thanks for the reply, in the meantime it's possible to manage replica =
between two datacenter with 0.4.1 even without bootstrap? In other words =
is it possible to write on a rack-aware node? If so can you post me a =
sample configuration?

Thanks

-----Original Message-----
From: Jonathan Ellis [mailto:jbellis@gmail.com]=20
Sent: venerd=EC 30 ottobre 2009 17.28
To: cassandra-dev@incubator.apache.org
Subject: Re: bootstrap & rack aware on Cassandra4.1

Right, rack-aware (really, endpointsnitch-aware) bootstrap isn't =
supported
until 0.5, which trunk will become probably some time in November.

On Fri, Oct 30, 2009 at 9:26 AM, Paderno Giampaolo <
Giampaolo.Paderno@yoox.com> wrote:

>  Hi all, we experienced that writing on a rack aware node we get the
> following error:
>
>
>
> ERROR [pool-1-thread-1] 2009-10-30 15:48:55,467 StorageProxy.java =
(line
> 179) error writing key 13345671
>
> java.lang.UnsupportedOperationException: Rack-aware bootstrapping not
> supported
>
>             at
> =
org.apache.cassandra.locator.RackAwareStrategy.getWriteStorageEndPoints(R=
ackAwareStrategy.java:132)
>
>             at
> =
org.apache.cassandra.locator.AbstractReplicationStrategy.getHintedStorage=
EndPoints(AbstractReplicationStrategy.java:69)
>
>             at
> =
org.apache.cassandra.service.StorageService.getHintedStorageEndpointMap(S=
torageService.java:982)
>
>             at
> =
org.apache.cassandra.service.StorageProxy.insertBlocking(StorageProxy.jav=
a:151)
>
>             at
> =
org.apache.cassandra.service.CassandraServer.doInsert(CassandraServer.jav=
a:468)
>
>             at
> =
org.apache.cassandra.service.CassandraServer.insert(CassandraServer.java:=
421)
>
>             at
> =
org.apache.cassandra.service.Cassandra$Processor$insert.process(Cassandra=
.java:824)
>
>             at
> =
org.apache.cassandra.service.Cassandra$Processor.process(Cassandra.java:6=
27)
>
>             at
> =
org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolS=
erver.java:253)
>
>             at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
>
>             at =
java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
> Source)
>
>             at java.lang.Thread.run(Unknown Source)
>
>
>
> We haven't understand how bootstrap works in Cassandra and how to =
enable or
> disable it.
>
> With trunk version everything works properly.
>
>
>
> Thanks
>
>
>
> Giampaolo Paderno
>
> Software Factory Developer
>
> YOOX Group
>
> Via Nannetti 1, 40069 Zola Predosa, Bologna, Italia
>
> T  +39 051 6184211
>
> F  +39 051 6184215
>
> giampaolo.paderno@yoox.com
>
>
>
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