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From Bryan Talbot <btal...@aeriagames.com>
Subject Re: Compaction not running
Date Tue, 18 Jun 2013 23:34:48 GMT
Manual compaction for LCS doesn't really do much.  It certainly doesn't
compact all those little files into bigger files.  What makes you think
that compactions are not occurring?

-Bryan



On Tue, Jun 18, 2013 at 3:59 PM, Franc Carter <franc.carter@sirca.org.au>wrote:

> On Sat, Jun 15, 2013 at 11:49 AM, Franc Carter <franc.carter@sirca.org.au>wrote:
>
>> On Sat, Jun 15, 2013 at 8:48 AM, Robert Coli <rcoli@eventbrite.com>wrote:
>>
>>> On Wed, Jun 12, 2013 at 3:26 PM, Franc Carter <franc.carter@sirca.org.au>
>>> wrote:
>>> > We are running a test system with Leveled compaction on
>>> Cassandra-1.2.4.
>>> > While doing an initial load of the data one of the nodes ran out of
>>> file
>>> > descriptors and since then it hasn't been automatically compacting.
>>>
>>> You have (at least) two options :
>>>
>>> 1) increase file descriptors available to Cassandra with ulimit, if
>>> possible
>>> 2) increase the size of your sstables with levelled compaction, such
>>> that you have fewer of them
>>>
>>
>> Oops, I wasn't clear enough.
>>
>> I have increased the number of file descriptors and no longer have a file
>> descriptor issue. However the node still doesn't compact automatically. If
>> I run a 'nodetool compact' it will do a small amount of compaction and then
>> stop. The Column Family is using LCS
>>
>
> Any ideas on this - compaction is still not automatically running for one
> of my nodes
>
> thanks
>
>
>>
>> cheers
>>
>>
>>>
>>> =Rob
>>>
>>
>>
>>
>> --
>>
>> *Franc Carter* | Systems architect | Sirca Ltd
>>  <marc.zianideferranti@sirca.org.au>
>>
>> franc.carter@sirca.org.au | www.sirca.org.au
>>
>> Tel: +61 2 8355 2514
>>
>> Level 4, 55 Harrington St, The Rocks NSW 2000
>>
>> PO Box H58, Australia Square, Sydney NSW 1215
>>
>>
>>
>
>
> --
>
> *Franc Carter* | Systems architect | Sirca Ltd
>  <marc.zianideferranti@sirca.org.au>
>
> franc.carter@sirca.org.au | www.sirca.org.au
>
> Tel: +61 2 8355 2514
>
> Level 4, 55 Harrington St, The Rocks NSW 2000
>
> PO Box H58, Australia Square, Sydney NSW 1215
>
>
>

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