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From Jake Luciani <jak...@gmail.com>
Subject Re: Why there is no native shutdown command in cassandra
Date Mon, 13 Jun 2016 16:44:21 GMT
If you want to understand why, it's because C* was designed to be
crash-only.

https://www.usenix.org/conference/hotos-ix/crash-only-software

Since this is great for the project but bad for operators experience we
have later added this stopdaemon command.

On Mon, Jun 13, 2016 at 12:37 PM, Anshu Vajpayee <anshu.vajpayee@gmail.com>
wrote:

> As per Documentation(pasted as below), It does not stop Daemon . I tested
> also.I was looking for graceful shutdown  for Cassandra Daemon.Description
>
> <https://docs.datastax.com/en/cassandra/2.1/cassandra/tools/toolsDrain.html?scroll=toolsDrain__description_unique_11>
>
> Flushes all memtables from the node to SSTables on disk. Cassandra stops
> listening for connections from the client and other nodes. You need to
> restart Cassandra after running nodetool drain. You typically use this
> command before upgrading a node to a new version of Cassandra. To simply
> flush memtables to disk, use nodetool flush.
>
> On Mon, Jun 13, 2016 at 10:00 PM, Jeff Jirsa <jeff.jirsa@crowdstrike.com>
> wrote:
>
>> `nodetool drain`
>>
>>
>>
>>
>>
>> *From: *Anshu Vajpayee <anshu.vajpayee@gmail.com>
>> *Reply-To: *"user@cassandra.apache.org" <user@cassandra.apache.org>
>> *Date: *Monday, June 13, 2016 at 9:28 AM
>> *To: *"user@cassandra.apache.org" <user@cassandra.apache.org>
>> *Subject: *Why there is no native shutdown command in cassandra
>>
>>
>>
>> Hi All
>>
>>
>>
>> Why we dont have native shutdown command in Cassandra ?
>>
>>
>>
>> Every software provides graceful shutdown command.
>>
>>
>>
>>
>>
>>
>>
>> ​Regards,
>>
>> Anshu​
>>
>>
>>
>>
>>
>
>
>
> --
> *Regards,*
> *Anshu *
>
>
>


-- 
http://twitter.com/tjake

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