I use the same process as Aaron and I think after disabling gossip, thrift
and draining the node, nothing more is witten in this node which is
considered as being down. But after stopping Cassandra, if you are using
counters and while drain is still broken, I would consider emptying the
commit
On all tasktrackers, I see:
java.io.IOException: PIG_OUTPUT_INITIAL_ADDRESS or PIG_INITIAL_ADDRESS
environment variable not set
at
org.apache.cassandra.hadoop.pig.CassandraStorage.setStoreLocation(CassandraStorage.java:821)
at
Is the default 'auto' the best possible option so that no one has to worry
about it anymore ?
Yes something like that I guess.
You can add the disk_access_mode property to your cassandra.yaml and set it
to standard to disable memory mapped access, it will work. It's the same
thing for the
That's what I guesseed too (as this property could be found into the src code).
But... I am still a bit surprised it's not, at least, mentionned into the doc
(into some dedicated section).
Dominique
De : Alain RODRIGUEZ [mailto:arodr...@gmail.com]
Envoyé : vendredi 4 janvier 2013 15:57
À :
http://www.mail-archive.com/user@cassandra.apache.org/msg26528.html
From: Alain RODRIGUEZ arodr...@gmail.commailto:arodr...@gmail.com
Reply-To: user@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Date: Friday, January 4, 2013 6:00
Hi
Just started evaluating 1.2 - starting a clean Cassandra node - the usual
practice is to specify the initial token - but when I attempt to start the node
the following is observed:
INFO [main] 2013-01-03 14:08:57,774 DatabaseDescriptor.java (line 203)
disk_failure_policy is stop
DEBUG
Murmur3 != MD5 (RandomPartitioner)
From: Dwight Smith
dwight.sm...@genesyslab.commailto:dwight.sm...@genesyslab.com
Reply-To: user@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Date: Friday, January 4, 2013 8:36 AM
To:
Michael
Yes indeed - my mistake. Thanks. I can specify RandomPartitioner, since I do
not use indexing - yet.
Just for informational purposes - with Murmur3 - to achieve a balanced cluster
- is the initial token method supported?
If so - how should these be generated, the token-generator
To be honest I haven't run a cluster with Murmur3.
You can still use indexing with RandomPartitioner (all us old folk are stuck
on Random btw..)
And there was a thread floating around yesterday where Edward did some
benchmarks and found that Murmur3 was actually slower than RandomPartitioner.
If you are planning on using murmur3 without vnodes (specifying your own
tokens) there is a quick python script in the datastax docs you can use to
generate balanced tokens.
http://www.datastax.com/docs/1.2/initialize/token_generation#calculating-tokens-for-the-murmur3partitioner
On Fri, Jan 4,
yea, i turned that off because in dev i am creating/dropping keyspaces
regularly for integration testing and was surprised to see all the
directories left behind
On Thu, Jan 3, 2013 at 7:47 PM, aaron morton aa...@thelastpickle.comwrote:
Are they never removed in fear of removing snapshots?
Yes. They were really just introduced and if you are ready to hitch your
wagon to every new feature you put yourself in considerable risk. With any
piece of software not just Cassandra.
On Fri, Jan 4, 2013 at 11:59 AM, Alain RODRIGUEZ arodr...@gmail.com wrote:
But I don't really get the point
So I've made it work, but I don't get it yet.
I have no idea why my DIY server works when I set the environment variables
on the machine that kicks off pig (master), and in EMR it doesn't. I
recompiled ConfigHelper and CassandraStorage with tons of debugging, and in
EMR I can see the hadoop
Hi folks - I have a Windows 2008 server that I'm trying to get Cassandra
working on. I have disabled the Windows Firewall for the moment but I still
cannot connect to the server.
I have tried editing the cassandra.yaml to update the listen_address to the
machine address as well as blank or
Use linux ;)
More seriously, I'm wondering if it is binding to the IPV6 address? Is that
enabled on that NIC? You could try disabling IPv6 and seeing if RPC binds
correctly..
From:
stephen.m.thomp...@wellsfargo.commailto:stephen.m.thomp...@wellsfargo.com
Good suggestion ... I added -Djava.net.preferIPv4Stack=true as a JVM arg
cassandra.bat and got exactly the same result though.
Stephen Thompson
Wells Fargo Corporation
Internet Authentication Fraud Prevention
704.427.3137 (W) | 704.807.3431 (C)
UPCOMING PTO: JAN 14-18
This message may
https://www.youtube.com/watch?v=GddZ3pXiDyslist=PLC5E3906433F5A165index=28
This
video of Cassandra summit 2012 has mentioned the use of 256 tokens by
default (though it's no longer in the conf/cassandra.yaml). I remember that
more tokens could lead to more disk seeks or something. I think 256 is
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