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From Ben Bromhead <...@instaclustr.com>
Subject Re: SS Tables Files Streaming
Date Mon, 09 May 2016 18:01:21 GMT
Note that incremental repair strategies (2.1+) run anti-compaction against
sstables in the range being repaired, so this will prevent overstreaming
based on the ranges in the repair session.

On Mon, 9 May 2016 at 10:31 Ben Bromhead <ben@instaclustr.com> wrote:

> Yup, with repair and particularly bootstrap is there is a decent amount of
> "over streaming" of data due to the fact it's just sending an sstable.
>
> On Fri, 6 May 2016 at 14:49 Anubhav Kale <Anubhav.Kale@microsoft.com>
> wrote:
>
>> Does repair really send SS Table files as is ? Wouldn’t data for tokens
>> be distributed across SS Tables ?
>>
>>
>>
>> *From:* Jeff Jirsa [mailto:jeff.jirsa@crowdstrike.com]
>> *Sent:* Friday, May 6, 2016 2:12 PM
>>
>>
>> *To:* user@cassandra.apache.org
>> *Subject:* Re: SS Tables Files Streaming
>>
>>
>>
>> Also probably sstableloader / bulk loading interface
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> (I don’t think any of these necessarily stream “as-is”, but that’s a
>> different conversation I suspect)
>>
>>
>>
>>
>>
>> *From: *Jonathan Haddad
>> *Reply-To: *"user@cassandra.apache.org"
>> *Date: *Friday, May 6, 2016 at 1:52 PM
>> *To: *"user@cassandra.apache.org"
>> *Subject: *Re: SS Tables Files Streaming
>>
>>
>>
>> Repairs, bootstamp, decommission.
>>
>>
>>
>> On Fri, May 6, 2016 at 1:16 PM Anubhav Kale <Anubhav.Kale@microsoft.com>
>> wrote:
>>
>> Hello,
>>
>>
>>
>> In what scenarios can SS Table files on disk from Node 1 go to Node 2 as
>> is ?  I’m aware this happens in *nodetool rebuild* and I am assuming
>> this does *not* happen in repairs. Can someone confirm ?
>>
>>
>>
>> The reason I ask is I am working on a solution for backup / restore and I
>> need to be sure if I boot a node, start copying over backed up files then
>> those files won’t get overwritten by something coming from other nodes.
>>
>>
>>
>> Thanks !
>>
>> --
> Ben Bromhead
> CTO | Instaclustr <https://www.instaclustr.com/>
> +1 650 284 9692
> Managed Cassandra / Spark on AWS, Azure and Softlayer
>
-- 
Ben Bromhead
CTO | Instaclustr <https://www.instaclustr.com/>
+1 650 284 9692
Managed Cassandra / Spark on AWS, Azure and Softlayer

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