Indeed when you want to flush the system keyspace you need to specify it. The
flush without argument filters out the system keyspace. This behavior is still
the same in the trunk. If you dig into the sources, look at
"nodeProbe.getNonSystemKeyspaces()" when "cmdArgs" is empty:-
https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/tools/NodeTool.java#L329-
https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/tools/NodeTool.java#L337
Best,
Romain
Le Mercredi 29 juin 2016 19h03, Paul Fife <paulf...@gmail.com> a écrit :
Thanks Dominik - I was doing a nodetool flush like the instructions said, but
it wasn't actually flushing the system keyspace. Using nodetool flush system
made it work as expected!
Thanks,Paul Fife
On Wed, Jun 29, 2016 at 7:37 AM, Dominik Keil <dominik.k...@movilizer.com>
wrote:
Also you might want to explicitly do "nodetool flush system". I've recently
done this in C* 2.2.6 and just "nodetool flush" would not have flushed the
system keyspace, leading to the change in cluster name not being persisted
across restarts.
Cheers
Am 29.06.2016 um 03:36 schrieb Surbhi Gupta:
system.local uses local strategy . You need to update on all nodes .
On 28 June 2016 at 14:51, Tyler Hobbs <ty...@datastax.com> wrote:
First, make sure that you call nodetool flush after modifying the system
table. That's probably why it's not surviving the restart.
Second, I believe you will have to do this across all nodes and restart them
at the same time. Otherwise, cluster name mismatches will prevent the nodes
from communicating with each other.
On Fri, Jun 24, 2016 at 3:51 PM, Paul Fife <paulf...@gmail.com> wrote:
I am following the instructions here to attempt to change the name of a
cluster: https://wiki.apache.org/cassandra/FAQ#clustername_mismatch or at least
the more up to date advice:
http://stackoverflow.com/questions/22006887/cassandra-saved-cluster-name-test-cluster-configured-name
I am able to query the system.local to verify the clusterName is modified,
but when I restart Cassandra it fails, and the value is back at the original
cluster name. Is this still possible, or are there changes preventing this from
working anymore?
I have attempted this several times and it did actually work the first time,
but when I moved around to the other nodes it no longer worked.
Thanks, Paul Fife
--
Tyler Hobbs
DataStax
--
Dominik Keil
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