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From: Rodrigo Felix <rodrigofelixdealmeida@gmail.com>
Date: Sat, 31 Aug 2013 10:17:13 -0300
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 <CAD4g+KzvvzNv5wOynjCAP5SCU1dVN5XLqFKmUDpD82xXKkSCWA@mail.gmail.com>
Subject: Re: Decommission faster than bootstrap
To: user@cassandra.apache.org
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Do you think that not to run cleanup operation after bootstrapping a node
can affect the bootstrap time of a subsequent node?
I mean, keys not removed can somehow affect a bootstrap operation?
Thanks.

Att.

*Rodrigo Felix de Almeida*
LSBD - Universidade Federal do Cear=E1
Project Manager
MBA, CSM, CSPO, SCJP


On Mon, Aug 26, 2013 at 10:39 PM, Rodrigo Felix <
rodrigofelixdealmeida@gmail.com> wrote:

> Boris,
>
>    We are not using secondary index. We tested both on version 1.1.5 and
> 1.1.12 and had similar results.
>
> Does anybody know what are the steps in details to bootstrap and to
> decommission a node?
> I'd like to figure out which step is creating this difference. For me, th=
e
> time should be similar, assuming that data streaming is the most
> time-consuming task and that the amount of data streamed is similar.
>
> Thanks in advance for all comments.
>
> Att.
>
> *Rodrigo Felix de Almeida*
> LSBD - Universidade Federal do Cear=E1
> Project Manager
> MBA, CSM, CSPO, SCJP
>
>
> On Thu, Aug 22, 2013 at 11:48 PM, Boris Yen <yulinyen@gmail.com> wrote:
>
>> We are using 1.0. Our observation is that if you are using secondary
>> index, building secondary index after streaming is time consuming. And t=
he
>> bootstrap needs to wait for the process of building secondary indexes to
>> complete.
>>
>> I am not sure if this also applies to 1.1/1.2. You could set the log
>> level to debug to observe what is really going on when a node is
>> bootstraping.
>>
>> Boris
>>
>>
>> On Mon, Aug 19, 2013 at 6:19 AM, Rodrigo Felix <
>> rodrigofelixdealmeida@gmail.com> wrote:
>>
>>> Hi,
>>>
>>>    I've noticed that, at least in my enviroment (Cassandra 1.1.12
>>> running on Amazon EC2), decommission operations take about 3-4 minutes
>>> while bootstrap can take more than 20 minutes.
>>>    What is the reason to have this time difference? For both operations=
,
>>> what it is time-consuming the data streaming from (or to) other node, r=
ight?
>>>    Thanks in advance.
>>>
>>> Att.
>>>
>>> *Rodrigo Felix de Almeida*
>>> LSBD - Universidade Federal do Cear=E1
>>> Project Manager
>>> MBA, CSM, CSPO, SCJP
>>>
>>
>>
>

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<div dir=3D"ltr">Do you think that not to run cleanup operation after boots=
trapping a node can affect the bootstrap time of a subsequent node?<div>I m=
ean, keys not removed can somehow affect a bootstrap operation?</div><div>

Thanks.</div></div><div class=3D"gmail_extra"><br clear=3D"all"><div>Att.<b=
r><br><b>Rodrigo Felix de Almeida</b><br>LSBD - Universidade Federal do Cea=
r=E1<br>Project Manager<br>MBA, CSM, CSPO, SCJP<br></div>
<br><br><div class=3D"gmail_quote">On Mon, Aug 26, 2013 at 10:39 PM, Rodrig=
o Felix <span dir=3D"ltr">&lt;<a href=3D"mailto:rodrigofelixdealmeida@gmail=
.com" target=3D"_blank">rodrigofelixdealmeida@gmail.com</a>&gt;</span> wrot=
e:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">Boris,<div><br></div><div>=
=A0 =A0We are not using secondary index. We tested both on version 1.1.5 an=
d 1.1.12 and had similar results.</div>

<div><br></div><div>Does anybody know what are the steps in details to boot=
strap and to decommission a node?</div>
<div>I&#39;d like to figure out which step is creating this difference. For=
 me, the time should be similar, assuming that data streaming is the most t=
ime-consuming task and that the amount of data streamed is similar.</div>


<div><br></div><div>Thanks in advance for all comments.</div></div><div cla=
ss=3D"gmail_extra"><div class=3D"im"><br clear=3D"all"><div>Att.<br><br><b>=
Rodrigo Felix de Almeida</b><br>LSBD - Universidade Federal do Cear=E1<br>P=
roject Manager<br>

MBA, CSM, CSPO, SCJP<br>
</div>
<br><br></div><div><div class=3D"h5"><div class=3D"gmail_quote">On Thu, Aug=
 22, 2013 at 11:48 PM, Boris Yen <span dir=3D"ltr">&lt;<a href=3D"mailto:yu=
linyen@gmail.com" target=3D"_blank">yulinyen@gmail.com</a>&gt;</span> wrote=
:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
<div dir=3D"ltr">We are using 1.0. Our observation is that if you are using=
 secondary index, building secondary index after streaming is time consumin=
g. And the bootstrap needs to wait for the process of building secondary in=
dexes to complete.<div>


<br></div><div>I am not sure if this also applies to 1.1/1.2. You could set=
 the log level to debug to observe what is really going on when a node is b=
ootstraping.</div><span><font color=3D"#888888"><div><br>
</div><div>Boris</div></font></span></div><div><div><div class=3D"gmail_ext=
ra">
<br><br><div class=3D"gmail_quote">On Mon, Aug 19, 2013 at 6:19 AM, Rodrigo=
 Felix <span dir=3D"ltr">&lt;<a href=3D"mailto:rodrigofelixdealmeida@gmail.=
com" target=3D"_blank">rodrigofelixdealmeida@gmail.com</a>&gt;</span> wrote=
:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">Hi,<div><br></div><div>=A0 =
=A0I&#39;ve noticed that, at least in my enviroment (Cassandra 1.1.12 runni=
ng on Amazon EC2), decommission operations take about 3-4 minutes while boo=
tstrap can take more than 20 minutes.</div>


<div>=A0 =A0What is the reason to have this time difference? For both opera=
tions, what it is time-consuming the data streaming from (or to) other node=
, right?</div><div>=A0 =A0Thanks in advance.</div><div><br clear=3D"all"><d=
iv>Att.<br>


<br><b>Rodrigo Felix de Almeida</b><br>LSBD - Universidade Federal do Cear=
=E1<br>Project Manager<br>MBA, CSM, CSPO, SCJP<br></div>
</div></div>
</blockquote></div><br></div>
</div></div></blockquote></div><br></div></div></div>
</blockquote></div><br></div>

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