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From: sankalp kohli <kohlisankalp@gmail.com>
Date: Thu, 11 Jul 2013 13:52:22 -0700
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 <CAEPxca0wXuwE5EOB_eh3rXgj5kT6GVnw6L-w=--VUKXAXZpdCg@mail.gmail.com>
Subject: Re: merge sstables
To: user@cassandra.apache.org
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Scrub will keep the file size same. YOu need to move all sstables to be L0.
the way to do this is to remove the json file which has level information.


On Thu, Jul 11, 2013 at 11:48 AM, chandra Varahala <
hadoopandcassandra@gmail.com> wrote:

> yes, but nodetool  scrub is not working ..
>
>
> thanks
> chandra
>
>
> On Thu, Jul 11, 2013 at 2:39 PM, Faraaz Sareshwala <
> fsareshwala@quantcast.com> wrote:
>
>> I assume you are using the leveled compaction strategy because you have
>> 5mb
>> sstables and 5mb is the default size for leveled compaction.
>>
>> To change this default, you can run the following in the cassandra-cli:
>>
>> update column family cf_name with compaction_strategy_options =
>> {sstable_size_in_mb: 256};
>>
>> To force the current sstables to be rewritten, I think you'll need to
>> issue a
>> nodetool scrub on each node. Someone please correct me if I'm wrong on
>> this.
>>
>> Faraaz
>>
>> On Thu, Jul 11, 2013 at 11:34:08AM -0700, chandra Varahala wrote:
>> > Hello ,
>> >
>> >  I have small size of sstables like 5mb around 2000 files. Is there a
>> way i can
>> > merge into  bigger size ?
>> >
>> > thanks
>> > chandra
>>
>
>

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<div dir=3D"ltr">Scrub will keep the file size same. YOu need to move all s=
stables to be L0. the way to do this is to remove the json file which has l=
evel information.=A0</div><div class=3D"gmail_extra"><br><br><div class=3D"=
gmail_quote">

On Thu, Jul 11, 2013 at 11:48 AM, chandra Varahala <span dir=3D"ltr">&lt;<a=
 href=3D"mailto:hadoopandcassandra@gmail.com" target=3D"_blank">hadoopandca=
ssandra@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote=
" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div dir=3D"ltr">yes, but nodetool =A0scrub is not working ..<div><br></div=
><div><br></div><div>thanks</div><span class=3D"HOEnZb"><font color=3D"#888=
888"><div>chandra=A0</div></font></span></div><div class=3D"HOEnZb"><div cl=
ass=3D"h5">

<div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Thu, Jul 1=
1, 2013 at 2:39 PM, Faraaz Sareshwala <span dir=3D"ltr">&lt;<a href=3D"mail=
to:fsareshwala@quantcast.com" target=3D"_blank">fsareshwala@quantcast.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">I assume you are using the leveled compactio=
n strategy because you have 5mb<br>
sstables and 5mb is the default size for leveled compaction.<br>
<br>
To change this default, you can run the following in the cassandra-cli:<br>
<br>
update column family cf_name with compaction_strategy_options =3D {sstable_=
size_in_mb: 256};<br>
<br>
To force the current sstables to be rewritten, I think you&#39;ll need to i=
ssue a<br>
nodetool scrub on each node. Someone please correct me if I&#39;m wrong on =
this.<br>
<span><font color=3D"#888888"><br>
Faraaz<br>
</font></span><div><div><br>
On Thu, Jul 11, 2013 at 11:34:08AM -0700, chandra Varahala wrote:<br>
&gt; Hello ,<br>
&gt;<br>
&gt; =A0I have small size of sstables like 5mb around 2000 files. Is there =
a way i can<br>
&gt; merge into =A0bigger size ?<br>
&gt;<br>
&gt; thanks<br>
&gt; chandra<br>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br></div>

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