riggs
Sent: Friday, September 19, 2014 11:30 AM
Subject: Re: Blocking while a node finishes joining the cluster after restart.
This is great feedback…
I think it could actually be even easier than this…
You could have an ansible (or whatever cluster management system you’re using)
role for j
On Fri, Sep 19, 2014 at 1:26 PM, Kevin Burton wrote:
> We’re using ansible so I’d like something that integrates with that…
I'm not familiar with Ansible, so I don't know if it's useful, but
OpsCenter has a REST api you can use to do anything you can do from the
UI. For example, a rolling rest
>>
>> OpsCenter is flaky at doing rolling restart in my test cluster,
>> so an alternative is needed.
>>
>> Also, the free OpsCenter doesn't have rolling repair option enabled.
>>
>> ccm has the options to do drain, stop and start, but a bash
>>
--
> *From:* Duncan Sands
> *To:* user@cassandra.apache.org
> *Sent:* Tuesday, September 16, 2014 11:09 AM
> *Subject:* Re: Blocking while a node finishes joining the cluster after
> restart.
>
> Hi Kevin, if you are using the latest version of opscenter, then even t
> Hi Kevin, if you are using the latest version of opscenter, then even the
community (= free) edition can do a rolling restart of your cluster. It's
pretty convenient.
We’re using ansible so I’d like something that integrates with that…
On Tue, Sep 16, 2014 at 11:09 AM, Duncan Sands
wrote:
>
Hi Robert.
I just did a test (shutdown all nodes, start one non-seed node.)
You're correct that an old non-seed node can start by itself.
So startup scripts don't have to be intelligent, but apps need to wait
until there's enough nodes up to serve the whole keyspace:
cqlsh:my_keyspace> consis
On Tue, Sep 16, 2014 at 12:21 PM, James Briggs
wrote:
> I haven't noticed if they do anything special with seeds.
> (At least one seed needs to be running before you restart other nodes.)
>
If the nodes have all seen each other before ("the cluster has coalesced
once") then AFAIK this statement
014 11:09 AM
Subject: Re: Blocking while a node finishes joining the cluster after restart.
Hi Kevin, if you are using the latest version of opscenter, then even the
community (= free) edition can do a rolling restart of your cluster. It's
pretty convenient.
Ciao, Duncan.
On 16/09/14
Hi Kevin, if you are using the latest version of opscenter, then even the
community (= free) edition can do a rolling restart of your cluster. It's
pretty convenient.
Ciao, Duncan.
On 16/09/14 19:44, Kevin Burton wrote:
Say I want to do a rolling restart of Cassandra…
I can’t just restart a
