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From Roshan Pradeep <codeva...@gmail.com>
Subject Re: SSTable compaction issue in our system
Date Tue, 31 Jan 2012 00:50:53 GMT
Thanks Aaron for the perfect explanation. Decided to go with automatic
compaction. Thanks again.

On Wed, Jan 25, 2012 at 11:19 AM, aaron morton <aaron@thelastpickle.com>wrote:

> The issue with major / manual compaction is that it creates a one file.
> One big old file.
>
> That one file will not be compacted unless there are
> (min_compaction_threshold -1) other files of a similar size. So thombstones
> and overwrites in that file may not be purged for a long time.
>
> If you go down the manual compaction path you need to keep doing it.
>
> If you feel you need to do it do it, otherwise let automatic compaction do
> it's thing.
> Cheers
>
>
> -----------------
> Aaron Morton
> Freelance Developer
> @aaronmorton
> http://www.thelastpickle.com
>
> On 25/01/2012, at 12:47 PM, Roshan wrote:
>
> Thanks for the reply. Is the major compaction not recommended for Cassandra
> 1.0.6?
>
> --
> View this message in context:
> http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Different-size-of-SSTable-are-remain-in-the-system-without-compact-tp7218239p7222322.html
> Sent from the cassandra-user@incubator.apache.org mailing list archive at
> Nabble.com.
>
>
>

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