cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Sean Bridges <sean.brid...@gmail.com>
Subject Re: are all files for an sstable immutable?
Date Thu, 16 Oct 2014 18:24:52 GMT
Thanks Tyler, that explains it.

Sean

On Thu, Oct 16, 2014 at 10:40 AM, Tyler Hobbs <tyler@datastax.com> wrote:

> The summary files are immutable, but can be replaced periodically.  See
> https://issues.apache.org/jira/browse/CASSANDRA-5519 for more details.
>
> The summary files aren't particularly important, they're primarily an
> optimization for startup time.
>
> On Thu, Oct 16, 2014 at 12:20 PM, Sean Bridges <sean.bridges@gmail.com>
> wrote:
>
>> Hello,
>>
>> I thought an sstable was immutable once written to disk.  Before
>> upgrading from 1.2.18 to 2.0.10 we took a snapshot of our sstables.  Now
>> when I compare the files in the snaphot dir and the original files, the
>> Summary.db files have a newer modified date, and the file sizes have
>> changed.
>>
>> Thanks,
>>
>> Sean
>>
>
>
>
> --
> Tyler Hobbs
> DataStax <http://datastax.com/>
>

Mime
View raw message